bluuebunny/crossref_metadata_2025 huggingface dataset:
Who is King in Factor Zoo? Case of the Chinese Stock Market
Authors: So Simon M. S.
Published: December 2020

This paper aimed to evaluate and compare individual performances and contributions of seven well-known factors, selected from four widely cited asset pricing models: (1) the capital asset pricing model of Sharpe (1964), (2) the three-factor model of Fama and French (1993) the augmented four-factor model of Carhart (1997), (3) the five-factor model of Fama and French (2015), and (4) the illiquidity model of Amihud, et al. (2015) in capturing the time-series variation of stock returns and absorbing the 12 prominent anomalies. The anomalies were constructed by forming long-short portfolios, and regressions were run to examine their monthly returns from 2000 to 2019. We found that there is no definite and absolute “king” in the factor zoo in the Chinese stock market, and size is the relative “king” that can absorb the maximum number of anomalies. Evidence also indicates that the three-factor model of Fama and French may still play an important role in pricing assets in the Chinese stock market. The results can provide investors with a reliable risk factor and help investors form an effective investment strategy. This paper contributes to asset pricing literature in the Chinese market.G1
Green’s Function Method for Electromagnetic and Acoustic Fields in Arbitrarily Inhomogeneous Media
Authors: P. Dzyuba Vladimir , Romashko Roman
Published: December 2020

An analytical method based on the Green’s function for describing the electromagnetic field, scalar-vector and phase characteristics of the acoustic field in a stationary isotropic and arbitrarily inhomogeneous medium is proposed. The method uses, in the case of an electromagnetic field, the wave equation proposed by the author for the electric vector of the electromagnetic field, which is valid for dielectric and magnetic inhomogeneous media with conductivity. In the case of an acoustic field, the author uses the wave equation proposed by the author for the particle velocity vector and the well-known equation for acoustic pressure in an inhomogeneous stationary medium. The approach used allows one to reduce the problem of solving differential wave equations in an arbitrarily inhomogeneous medium to the problem of taking an integral.
Meso Trajectories in the National Innovation System and Their Regulation
Authors: Golichenko Oleg
Published: December 2020

The mesotrajectory is presented as a three-phase process of the development of mesopopulations: emergence (origination), diffusion (acceptance, assimilation and adaptation) and retention of a new rule (innovation). The central category of the NIS, i.e. knowledge, is considered from two positions: as a set of specific rules and as the most critical innovation resource. The proposed methodology also describes the three phases of mesostructure dividing each of them into two series–parallel sub-phases and incorporating them in the design of niches, technological and market ones. The methodology allows specifying the effect of the evolutionary selection and intermittent development of meso-units in the first two phases, as well as the mechanisms of changing the socio-technological regime in the third phase. The study set and analyse policy for creating motivation for innovative behaviour at different phases of the mesotrajectory. The actors’ mesopopulation are represented as carriers of the properties of knowledge-rules-resources. The knowledge of the actor is taking into account not only as a rule but a factor breaking the mesotrajectory. Among other characteristics of mesotrajectory discontinuity, intermittent equilibrium is taken into consideration in the study. The problem of regulating trajectory continuity is analysed in the framework of public policy.
From the Couch to the Screen: Psychoanalysis in Times of Virtuality
Authors: Corbella Valeria
Published: December 2020

The purpose of this chapter is to study the implementation of technology in today’s psychoanalytical scenario. Many historical and cultural changes have taken place since Freud up to these days. To the contemporary subjective constitution, the human being is complex and determined by a myriad of biological, psychological, and social factors. Thus, culture is not external to the dimensions making up the subject, and technology plays a key role in people’s current lives. Within the psychoanalytical technique, the setting has changed and adapted to the different social contexts, to the needs of each subject and also of the analyst. Contemporary psychoanalysis faces the challenge of setting up new scenarios to fit a new present that is taking shape. These are mixed settings, where the physical and virtual presences complement each other, simultaneously and alternately. Both the virtual and the physical realities are different and, therefore, do not replace each other. Thus, the purpose of this chapter is to reflect on the conditions that make possible the analytical encounter mediated by technology.
Virtues for the Vocation of Politics
Authors: Aronovitch Hilliard ,   Philosophy Documentation Center
Published: December 2020

This article aims to rebut the claim about Dirty Hands (DH) in politics and reorient the issue. Allegedly, decent politicians must sometimes do what is right by means that are deeply wrong and they are morally tainted as a result. DH is here rejected as contradictory since there can be no dirtying or guilt given the presumption of ultimate rightness, and politics is demeaned by supposing otherwise. DH is not entailed by moral complexity or conflicting duties or circumstantial regret, and does not hinge on utilitarianism versus deontology. A significant real-world case is explored where DH might seem manifest but is not. With DH dissolved, the refocussed and urgent question involves discerning apt personality-types for politics and its hard cases. The ideal: persons exceptional in being morally conscientious but more tough-minded than tender-hearted.
Necessity of Religion
Authors: Bhattacharya Katyayanidas ,   Society for Indian Philosophy and Religion
Published: December 2020

‘Necessity of Religion’ means that in the nature of man as an intelligent self-conscious being there is a necessary spiritual urge which forces him to rise above what is material and finite and to find rest nowhere short of an Infinite and Absolute Mind. This does not mean that each and every man is religious and the fact that there are men who are not religious does not disprove the necessity of religion. Rather in the very notion of a spiritual self-conscious being there is involved what may be called a virtual or potential infinite. True it is that Nature and man are both finite. But it is the characteristic of a spiritual intelligent being to transcend its individual limitations and realize itself in that which lies beyond itself.
Categorical Imperfections
Authors: Fokt Simon ,   Romanian Academy - Iasi Branch
Published: December 2020

The indexing systems used to systematise our knowledge about a domain tend to have an evaluative character: they represent some things as more important, general, complex, or central than others. They are also imperfect and can misrepresent something as more or less important, etc., than it really is. Such distortions mostly result from mistakes made due to lack of time or resources. In some cases they follow systematic patterns which can reveal the implicit judgements and values shared within a community who maintains and uses an index. I focus on the example of PhilPapers, the largest database of philosophy texts available, to show how the arrangement of categories and the way items are assigned to them, can effectively marginalise certain topics, authors, and entire traditions. I draw attention to such issues as: ordering, size and depth of categories, the use of miscellaneous categories, localising indexes in category names, and assigning items to some but not other categories. I suggest that such structuring of the index can have an impact on users, normalising marginalisation and contributing to the perpetuation of inequalities. I conclude by offering some suggestions for improvement which might help our databases flourish and become even more useful.
Difficult Women in Philosophy
Authors: Erden Yasemin J. , Altorf Hannah M. ,   Romanian Academy - Iasi Branch
Published: December 2020

In this paper we connect diversity with being on the margins of philosophy. We do this by reflecting on the programme that we, as diverse philosophers, designed and taught in a small university. Recently, the programme was closed. We examine some of the circumstances for the closure, in particular the impact of league tables. We argue that an idea (or ideal?) of objectivity, as a method in both science and philosophy, plays a role in establishing and maintaining the outsider status of the philosopher at the margins of the discipline. As a counterpoint to objectivity, we offer concrete examples of our experiences to illustrate what it is like to be at the margins of philosophy. We end with an examination of topics that are common to academics, i.e. issues of time and resources, that are compounded at the margins. Our paper seeks to show what is lost by the closure of our programme, and what philosophy loses when marginalised philosophers are silenced and/or excluded from key academic discourse. We argue that the particular contribution of the philosopher at the margin offers an important and irreplaceable contribution to discourses on the identity of philosophy and on the value of diversity.
Between Identity and Ambiguity
Authors: Reinhardt Karoline ,   Romanian Academy - Iasi Branch
Published: December 2020

Diversity matters – theoretically and practically, within philosophy and beyond. It is less clear, however, how we are to conceive of diversity. In current debates it is quite common to discuss diversity as a diversity of social identities. In this paper, I will raise five major concerns with regard to this approach from a philosophical perspective. All of them cast doubt on the flexibility and openness to ambiguity of identity-based concepts of diversity. Contrary to an identity-based concept of diversity, I will propose a perspective that stresses ambiguity and fluidity. In pursuing my argument, I will, after an introduction in §1, outline in §2 how the term ‘diversity’ is commonly used and how social identities come into the picture. In §3, I describe the dangers of an identity-based diversity concept. In my critique I will build on Adorno's thoughts on the formation of concepts and on Appiah's reflections on identity. I will illustrate my critique with examples from a growing field of Applied Ethics, data ethics. In §4, I will sketch an alternative understanding of human diversity, taking up considerations by Thomas Bauer on ambiguity and ambiguity tolerance.
Lessons from Sovaldi: Fueling Innovation While Ensuring Access
Authors: Watrous Marc , Levine Daniel S.
Published: December 2020

The case of Gilead Science’s hepatitis C therapy Sovaldi is a notable precursor to the larger debate over drug pricing, providing some important lessons, at a time when a new generation of potentially curative therapies are coming to market. In recent years, the pharmaceutical industry has pointed the finger at misaligned incentives, problems with payer benefit designs, a distorted rebate model, and hospital mark-ups as the cause of pricing and access issues. In order for progress to be made, the industry must acknowledge that it is the one entity across the supply chain that is responsible for establishing the initial price of a new medicine. Pointing to others without shouldering responsibility is misleading at best and intellectually dishonest at worst. Those that manufacture and commercialize medicines must play a leadership role in developing meaningful solutions to long-standing pricing issues. Pharmaceutical companies must demonstrate and articulate the value medicines deliver to all stakeholders. Taking a value-based approach, being cognizant of affordability issues, and delivering innovative medicines that address significant unmet medical needs is an important first step. Failing to do so, will leave the industry with a tarnished reputation and the likelihood of others implementing blunt instruments that will address these long-standing issues while threatening the life blood of the industry, innovation.
Commercializing the new frontier in DNA writing: Enzymatic synthesis
Authors: Kamdar Michael J. , Efcavitch J. William
Published: December 2020

This article provides an overview of the emerging technology of enzymatic DNA synthesis, which holds the promise of making the business of writing DNA cost-effective, faster, sustainable, and more accurate compared to the traditional DNA synthesis method of phosphoramidite chemistry. Enzymatic DNA synthesis lends itself to various business models to realize the enormous opportunities across established and emerging industries that can be transformed with the reliable and affordable creation of long, high-quality, sequence specific DNA or, in the case of DNA data storage, the template-independent creation of DNA in nontoxic solutions without the need for post-synthesis processing. This review includes a discussion of potential verticals, such as life sciences – which includes gene editing, synthetic biology, precision medicine, DNA nanotechnology, and RNA vaccine development – as well as DNA data storage. Enzymatic DNA synthesis is being rapidly advanced to a commercial reality, with the first enzymatically synthesized DNA products to enter the market in the next year.
Temporal differences between genders in the realisation of specific combat techniques relative to spatial ability
Authors: Gužvica Milan , Paspalj Darko , Vrućinić Žana , Vulin Lazar
Published: December 2020

In this paper, the time of performing 15 motor tests that consisted of different modalities of punches and kicks was measured on a sample of 44 subjects (24 men and 20 women), as well as the speed of performing cognitive test S1, from a battery of KOG3 tests. The results were obtained using appropriate statistical procedures, and they indicate that women in most cases, from both items, achieved better results compared to men when it comes to a simple motor reaction, while men achieved better results with a complex motor reaction. The obtained concurrence of motor tests with test S1 for men ranges from a complete absence of concurrence for five techniques derived from the left guard to high concurrence for three techniques derived from the right guard. When it comes to women, the absence of any concurrence was registered in two techniques from one and the other guard, and high concurrence for five techniques from the right guard. It is believed that the obtained results can be useful for further teaching process in Special Physical Education.
Protection of the rights of the weaker contracting party in accordance with the Principles of European Insurance Contract Law
Authors: Glintić Mirjana
Published: December 2020

An analysis of not only domestic but also comparative legislation indicates the continued presence of the former trend in regulation of insurance contract law, which reflects the legislator's tendencies to protect the insurer from the policyholder's fraudulent conduct. However, certain legal systems have begun to amend their regulations in order to keep up with contemporary tendencies, reflected in providing the necessary protection to the weaker party, i.e. consumer. Therefore, the author analyses the mechanisms of protection of this contracting party presented in the Principles of European Contract Law on Insurance, because it is a source of soft law, whose authors sought to sublimate as many well balanced provisions as possible in order to achieve a higher level of protection for the weaker contracting party. The Paper analyses only some of the provisions of the Principles that strive to ensure the expansion in the scope of the policyholders' rights, while reducing their duties, on one hand, and excluding too severe sanctions in case of their misconduct, on the other hand. Even though it is high unlikely that any steps will be taken towards PEICL enactment by EU regulations, at least in the near future, there remains possibility for their impact at the legislative and scientific level. This is also testified by this paper, which can contribute to the review of current domestic legal solutions.
Election of members of the supervisory body for personal data protection as a guarantee of their independence: Examples of Albania, Bosnia and Herzegovina, Montenegro and North Macedonia
Authors: Stanić Miloš
Published: December 2020

With the development of communication technologies, it has become clear that it is necessary to create an adequate legal framework in order to protect personal data. One of its indispensable elements is the creation of an independent supervisory body for the protection of personal data. By using comparative legal method, on the example of four neighbouring countries, of which all were members of the ex-communist bloc and are the EU membership candidates, author tried to find out certain common legal solutions within these countries regarding the election of their members seeking to achieve their independence. The author also gives appropriate critical view concerning certain solutions. These countries were chosen because, in the historical and social sense, they went and are going through what Serbia is going through in the process of joining the European Union. It has to be noted that the goals guaranteed and proclaimed by legal norms do not always have to be achieved in practice. However, one must also be aware that a valid legal framework is the first step, without which the proclaimed goals cannot be achieved. This is where the social justification of the scientific study of this topic is reflected.
Basic characteristics of universal jurisdiction in contemporary criminal law
Authors: Vešović Milanka
Published: December 2020

Universal jurisdiction is resorted to when a territorial state or another state with jurisdictional priority based on the nationalities of perpetrator and victim will not or can not act in order to prevent international crimes stricto sensu (core crimes) or when there is no reaction of international judicial institutions in this respect. Having broad powers in terms of specific links to a prosecuting state and often in terms of perpetrator's presence in a prosecuting state, universal jurisdiction successfully fills these gaps, and takes part in the global effort of the international community to prevent the impunity of the perpetrators of core crimes. Using a comparative method (German, Spanish and Belgian legislation), we endeavored to point out the basic legal features of the matter, thus providing a basis for discussion in Serbian criminal law de lege lata and de lege ferenda. Major issues standing out in this context are universal jurisdiction in absentia, principle of subsidiarity and sham process. Even though universal jurisdiction, in its genuine form, appears only in core crimes, many important and recent issues in this field have been related to treaty-based crimes, as well as to ordinary crimes, and to certain extent they have also been touched upon in this paper.
Effect of job involvement, organizational commitment and satisfaction on turnover intention: A research in the city of Antalya
Authors: Aksu Akın , Arslan Selin , Yardımcı Olcay , Kaya Fahrettin , Ergençiçeği Aytül
Published: December 2020

Today like other establishments, touristic establishments are trying to survive under conditions of high-level competition among their rivals. The diversity aspect of jobs in touristic establishments needs analysis to determine operational aspects and outcomes. In this context, to sustain satisfaction and motivation of employees there are critical factors. In this paper, the possible relationships among job involvement, commitment, satisfaction and turnover intention levels of employees were investigated. As a result of the regression analysis, it was concluded that at least one of the independent variables of the model, which were job involvement, organizational commitment, and job satisfaction levels, had an impact on intention to turnover. The findings of the research are important both from theoretical and practical perspectives. From a theoretical perspective, this research shows the possible effect of job involvement, commitment, and satisfaction on turnover intention. From a practical perspective, the results would be of help for tourism sector professionals, researchers and decision makers.
Stone and iron: economic interactivity at the Roman rural site of Châbles (Fribourg, Switzerland)
Authors: Timothy J. Anderson
Published: December 2020

The current article presents the analysis of the rural Roman complex of Châbles excavated in the Canton of Fribourg, Switzerland. The site dates to the first century AD and comprises four contemporary features: a small quarry (grès coquillier) serving to extract rotary querns; a segment of a major road six metres wide; a smithy characterised by workshop sheltering a hearth and numerous slag, metal cuttings and hammer scales; and traces (postholes) of a modest wooden house. The study focuses on the economic interactivity of the site’s different elements.
El proyecto "Marmora Galicia": identificación y estudio de la explotación, empleo y circulación de los mármoles en el NW peninsular en época romana y tardorromana
Authors: Silvia González Soutelo , Anna Gutiérrez García-Moreno
Published: December 2020

En 2012 iniciamos el proyecto ‘Marmora Galicia’ para estudiar los mármoles de época romana y tardorromana presentes en el Noroeste peninsular. Esta línea de investigación se enmarca en diversos proyectos nacionales e internacionales que pretenden caracterizar los materiales marmóreos empleados en diversos territorios peninsulares, prestando especial atención a la explotación de los recursos naturales de cada región, para aportar luz sobre su empleo en la Antigüedad. Desde entonces, hemos identificado más de 168 piezas arqueológicas marmóreas sólo en el territorio gallego, de las que hemos muestreado 44 para concretar arqueométricamente su procedencia. Al mismo tiempo, hemos estudiado un importante número de canteras locales y hemos documentado las características de los diversos tipos marmóreos presentes en esta región, que han sido incorporadas al corpus de referencia de materiales hispanos; corpus indispensable para realizar los citados estudios de procedencia. Los resultados obtenidos hasta la fecha muestran que, a pesar del uso predominante del granito, en Galicia se utilizaron también mármoles importados y locales con finalidades muy concretas, asociadas a fenómenos de prestigio, que nos hablan de posibles talleres locales y de una distribución de materiales a muy larga escala temporal y espacial.
Osservazioni sul reimpiego, sui recuperi di forme romane e bizantine e sulle innovazioni nell’architettura e nella decorazione della Longobardia
Authors: Patrizio Pensabene
Published: December 2020

Viene presentata una sintesi sul ruolo del fenomeno del riutilizzo nell’architettura e nella decorazione architettonica dell’Italia longobarda, tra la fine del VI secolo e la fine dell’VIII. Per questo, sono inclusi un’analisi dei principali esempi e una revisione delle condizioni socio-politiche, religiose e culturali del fenomeno.
Rocas decorativas ("marmora") entre la Antigüedad Tardía y la Alta Edad Media en "Hispania": Reflexión teórico-metodológica y estado de la cuestión
Authors: Raúl Aranda González
Published: December 2020

Este trabajo presenta un estado de la cuestión sobre el fenómeno del marmor entre los siglos V y X en el ámbito hispano. Se expone una introducción conceptual, una breve reflexión teórico-metodológica y un repaso del estado actual de la investigación sobre la explotación, distribución, usos y valores estético-simbólicos de este material. Así mismo, también se plantean algunas perspectivas de futuro.
Intensitas serangan Spodoptera frugiperda J.E. Smith (Lepidoptera: Noctuidae) pada pertanaman jagung di Kabupaten Garut dan Tasikmalaya, Jawa Barat
Authors: Asfiya Wara , Subagyo Vani Nur Oktaviany , Dharmayanthi Anik Budhi , Fatimah Fatimah , Rachmatiyah Rina
Published: December 2020

Spodoptera frugiperda J.E. Smith atau ulat grayak frugiperda (UGF) telah dikonfirmasi menyerang tanaman jagung di Jawa Barat. Namun, belum ada informasi mengenai intensitas serangannya, padahal data ini sangat diperlukan untuk menentukan tindakan pengendalian yang tepat. Survei dilakukan di Kabupaten Garut (Limbangan, Wanaraja, dan Banyuresmi) dan Tasikmalaya (Sukaratu) pada tanggal 25–27 Februari 2020. Pada setiap lokasi survei, 100 tanaman sampel diamati gejala kerusakannya berdasarkan skala Davis untuk menentukan kategori tingkat kerusakannya. Hasil perhitungan menunjukkan bahwa persen intensitas serangan UGF di Wanaraja (34,78%), Banyuresmi (34,78%), dan Sukaratu (39,89%) masuk ke dalam kategori kerusakan sedang. Sementara itu, kerusakan berat terjadi di wilayah Limbangan, yang merupakan salah satu sentra produksi jagung di Jawa Barat, dengan intensitas serangan mencapai 52,78%. Intensitas serangan UGF cenderung sejalan dengan tingkat serangannya yang artinya semakin banyak tanaman yang terserang maka resiko kerusakan pada tanaman akan semakin berat.
Jonas, Heidegger e o gnosticismo: entre a apropriação do método e a crítica do conteúdo
Authors: Roberto de Oliveira Jelson
Published: December 2020

O presente artigo analisa a herança heideggeriana do pensamento de Hans Jonas. Para tanto, utiliza-se do conceito de gnosticismo e do trabalho inicial de Jonas que tentou estabelecer um “princípio gnóstico” presente tanto nas mitologias quanto nas filosofias místicas dos primeiros séculos da era cristã. Para tanto, analisa-se a apropriação feita por Jonas do método da analítica existencial heideggeriana e, por outro lado, da crítica do conteúdo filosófico desenvolvido por Heidegger. Evidencia-se, afinal, como o “princípio responsabilidade” pode ser reconhecido como uma alternativa ao princípio da hostilidade e da indiferença, presentes na filosofia gnóstica e na filosofia heideggeriana.
El Toisón de Oro y la princesa de Asturias
Authors: Bueno Fernández Begoña
Published: December 2020

Entre los premios, honores y distinciones que puede entregar el Estado español, dentro de su total potestad para otorgar recompensas, por actos, servicios o trayectorias consideradas meritorias, encontramos las condecoraciones que pueden conceder determinadas órdenes civiles. Como establece SerComunicación (2017): «La orden es la institución civil o militar creada para premiar por medio de condecoraciones a personas, y en ella existe hermandad entre sus miembros».
Conformal invariance and conserved quantity for holonomic mechanical systems with variable mass
Authors: Chen Xiang-Wei  , Zhao Yong-Hong  , Liu Chang  ,   (1)北京理工大学理学院力学系，北京  100081; (2)商丘师范学院物理与信息工程系，商丘  476000
Published: December 2020

In this paper, the conformal invariance of holonomic mechanical systems with variable mass is studied. The necessary and the sufficient conditions of conformal invariance of the system are obtained and shown to be also those of Lie symmetry simultaneously. Finally the Noether conserved quantities of conformal invariance are presented.
Calibration of damping coefficient in discrete element method simulation
Authors: Zhong Wen-Zhen  , He Ke-Jing  , Zhou Zhao-Yao  , Xia Wei  , Li Yuan-Yuan  ,   (1)华南理工大学机械与汽车工程学院,广州  510641; (2)华南理工大学计算机科学与工程学院，广州  510641
Published: December 2020

In the discrete element method, the damping coefficient, which is a key parameter for rational simulation, is uncertain and often chosen based on researchers experience. To make the physical model reflect the reality better, in this paper acoustic technology is used to calibrate the damping coefficient. Oscillogram of the acoustic wave generated by the collisions is analyzed and the calibrated damping coefficient is obtained to be 0.5. The calibrated parameters are used to simulate the random packing process of 2000 monosize spherical particles. The final packing density is 0.625, which is in accordance with the classic measurements quite well. Besides the obtained correct damping coefficient, in this paper both the usefulness of the physical model and the practicability of acoustic technology for detecting the collision time are also demonstrated precisely.
The application of the undetermined fundamental frequency for analyzing the critical value of chaos
Authors: Wang Wei  , Zhang Qi-Chang  , Wang Xue-Jiao  ,   天津大学机械工程学院，天津  300072
Published: December 2020

The simple approach to improve the computational precision of Melnikov method is presented by using the undetermined fundamental frequency and normal form method. We construct the improved Melnikov expression for a triple-well nonlinear oscillator subject to principal parametric resonance and external excitation. For the occurrence of chaos, the approxime threshold values of chaotic motion are obtained from the Homoclinicity and Heteroclinicity points of view. It depends on the introduction of undetermined fundamental frequency, and adopting new time transformation for fulfilling the homoclinic and heteroclinic orbits, so that the effect of disturbing parameter can be easily detected and embodied in the Melnikov operation. As is illustrated, the explicit applications show that the improved results coincide very well with the results of numerical simulation.
Scaling approach to the conservation-law growth equations in anomalous surface roughening
Authors: Zhang Li-Ping  , Wen Rong-Ji  ,   中国矿业大学物理系，徐州  221008
Published: December 2020

We employ an analytical approach introduced by López to determine the anomalous scaling exponent of the growth equation with a generalized conservation law in both the weak-and strong-coupling regimes, which included the Kardar-Parisi-Zhang（KPZ）, Sun-Guo-Grant（SGG）, and molecular beam epitaxy （MBE）equations as special cases and allows for a unified treatment of growth equations. Analysis shows that KPZ equation and SGG equation exhibit normal Family-Vicsek scaling behavior, whether in the weak-coupling or strong-coupling regime. Differently, MBE equation exists intrinsic anomalous scaling in the strong-coupling regime and normal Family-Vicsek scaling behavior in weak coupling regime. All the conclusions obtain here are well consistent with the corresponding results derived by the dynamic renormalization group theory, numerical simulation and experiment.
Controlling spatiotemporal chaos by speed feedback method
Authors: Gao Ji-Hua  , Xie Ling-Ling  , Peng Jian-Hua  ,   (1)深圳大学材料学院，深圳  518060; (2)深圳大学材料学院，深圳  518060；深圳大学深圳市特种功能材料重点实验室，深圳  518060; (3)深圳大学物理科学学院，深圳  518060
Published: December 2020

The usual linear variable feedback control method is extended to the speed feedback approach in the study of controlling spatiotemporal chaos in the one-dimensional complex Ginzburg-Landau equation. The controllabilities in diverse systems with different sizes and target periodic states are investigated by theoretical analysis and numerical simulation.
Intersection effects of arterial road for traffic flow
Authors: Zheng Rong-Sen  , Lü Ji-Er  , Zhu Liu-Hua  , Chen Shi-Dong  , Pang Shou-Quan  ,   玉林师范学院物理与信息科学系，玉林  537000
Published: December 2020

Based on the Nagel-Schreckenberg model, a traffic model for an arterial road with equal-distance-distributed intersections is established. The traffic flow is numerically simulated under the open boundary condition and the control of red and green lights. It is found from the results that the capacity of the arterial road is determined by the capacity of the intersection. For small densities, the flow has no relation with the number of intersections. Moreover, the rule of variation of the maximum point of average velocity with the green-light period is obtained with the mean-field method. On the contrary, the number of intersections plays a crucial role in the flow at larger densities. The arterial road can achieve optimal traffic state via regulating the period of traffic lights.
Structure and potential energy function of the ground state of GaH(D,T)
Authors: Wang Qing-Mei  , Ren Ting-Qi  , Zhu Ji-Liang  ,   曲阜师范大学物理工程学院,曲阜  273165
Published: December 2020

In this paper,the structure and dissociation energy of the ground state of GaH （D,T） is investigated by quantum mechanical ab initio method in the QCISD/6-311++G（3df,3pd） and QCISD（T）/6-311++G（3df,3pd） level. Based on the theory of atomic and molecular statics, the dissociation limit for the ground state （X1Σ+）　of GaH （D,T） is derived. The potential energy curve and relevant optical constants of this state are obtained by least square fitting to the Murrell-Sorbie function. All calculation results are in good agreement with the experimental data.
Influence of plasma effect on the energy levels and transition probabilities of hydrogen-like ions
Authors: Li Bo-Wen  , Jiang Jun  , Dong Chen-Zhong  , Wang Jian-Guo  , Ding Xiao-Bin  ,   (1)北京应用物理与计算数学研究所,北京  100088; (2)西北师范大学物理与电子工程学院,兰州  730070
Published: December 2020

The effect of plasma screening has been investigated by incorporating the Debye potential into the framework of the relativistic Dirac-Fock method， and the GRASP92 code has been modified to perform the calculations. As an example, we have studied the plasma effecting on energy levels and transition probabilities of H-like ions embedded in dense and hot plasma. The following three important results have been obtained: （1） all energy levels are shifted away from their unscreened values toward the continuum, and the shift of energy increases as screening strength decreasing. Furthermore, for each eigenstate with given quantum numbers n and l, there is a finite value of λc （critical length） which corresponds a zero energy. （2） For a given transition, the oscillator strength and transition probability decrease with increase of the screening strength. （3）　The degenerate fine-structure levels with the same n, j but different l can be destroyed by the plasma screening effect, even without the consideration of the Lamb shift, which has received little attention in the past.
Electron correlation effects of the highly-doubly-excited resonances for He-like ions
Authors: Zhu Jing-Jing  , Gou Bing-Cong  ,   北京理工大学物理系,北京  100081
Published: December 2020

The hyperspherical method is used to study the electron correlation energy，radiative transition rate and Auger transition rate of the highly-doubly-excited states of He-like oxygen.All these doubly-excited Rydberg states are designated by quantum numbers K，T，A.The results show that properties such as the energy，radiative and Auger transition rate regularly change along with the quantum numbers K，T，A.
Theoretical study on Ne 1s photoionization and corresponding Auger decay processes
Authors: Wang Xiang-Li  , Dong Chen-Zhong  , Sang Cui-Cui  ,   西北师范大学物理与电子工程学院,兰州  730070
Published: December 2020

In this paper, the Ne 1s photoelectron spectrum and the corresponding Auger decay processes have been investigated theoretically by using the GRASP92, RATIP and the recently developed RERR06 codes based on the multi-configuration Dirac-Fock method. Good overall agreement was found between the present calculations and the previous theoretical and experimental results. By analyzing the Auger decay processes of the photoionization satellite state Ne+1s-12p-1（1,3Ｐ）3p, it was found that the spectator Auger decay is the dominant decay mode and the Auger intensity of the Ne+1s-12p-1（1Ｐ）3p is greater than that of the Ne+1s-12p-1（3Ｐ）3p as a whole. Meanwhile, the relative populations of the final ions Ne+, Ne2+and Ne3+produced by the photoionization satellite state Ne+1s-12p-1（1,3Ｐ）3p were predicted to be 0.02, 0.58 and 0.41, respectively.
Adiabatic fidelity for atom-dimer conversion system in stimulated Raman adiabatic passage
Authors: Meng Shao-Ying  , Wu Wei  ,   (1)辽宁大学物理学院,沈阳  110036; (2)中国工程物理研究院北京研究生部,北京  100088；辽宁大学物理学院,沈阳  110036
Published: December 2020

From the non-U（1） invariance of the atom-dimer conversion system, we generalized the definition of fidelity to this nonlinear system. By making use of the adiabatic fidelity, we investigated the dynamics and adiabaticity of the atom-dimer conversion system in a stimulated Raman adiabatic passage （STIRAP）. We found that the adiabatic fidelity for the coherent population trapping state or dark state, as the function of the adiabatic parameter, approaches to unity following a power law. The power exponent, however, is much smaller than that predicted by the linear adiabatic theorem. We further discuss how to achieve higher adiabatic fidelity for the dark state through optimizing the external parameters of STIRAP and hence to optimize the adiabaticity of the system and obtain high conversion efficiency.
Analytic potential energy function of the SiH2(C2v, X1A1) radical using CCSD(T) theory in combination with quintuple correlation-consistent basis set
Authors: Shi De-Heng  , Zhang Jin-Ping  , Sun Jin-Feng  , Liu Yu-Fang  , Zhu Zun-Lüe  ,   (1)河南师范大学物理与信息工程学院,新乡  453007; (2)空军第一航空学院基础部,信阳  464000; (3)信阳师范学院物理电子工程学院,信阳  464000
Published: December 2020

The coupled-cluster single-double withy a perturbative triple excitations ［CCSD（T）］ theory in combination with the quintuple correlation-consistent basis set （cc-pV5Z） of Dunning and co-workers is employed to determine the equilibrium geometry, dissociation energy and vibrational frequencies of the SiH2（C2v, X1A1） radical. By comparison, excellent agreement can be found between the present results and the experiments. The values obtained at cc-pV5Z are 0.15163 nm for the equilibrium bond length RSi—H, 92.363° for the bond angle α　of H—Si—H, 3.2735 eV for the dissociation energy De（HSi—H） and 1020.0095, 2074.8742　 and 2076.4762 cm-1 for the vibrational frequencies ν1（a1）, ν2（a1） and ν3（a1）, respectively. The equilibrium geometry, harmonic frequency and potential energy curve of the SiH（X2Π） radical are calculated at the CCSD（T）/aug-cc-pV5Z level of theory. The ab initio points are fitted to the Murrell-Sorbie function with the least-squares method. The spectroscopic parameters, whether directly determined by the Gaussian03 program package or they are derived from the analytic potential energy function， conform almost perfectly with the available experimental results. The analytic potential energy function of the SiH2（C2v, X1A1） radical is derived by using the many-body expansion theory. This function correctly describes the configuration and dissociation energy of the SiH2（C2v, X1A1） radical. Two symmetrical saddle points have been found at （0.312, 0.160 nm） and （0.160, 0.312 nm）, respectively. And the barrier height is found to be 0.5084 eV.
First-principles study of atomic and electronic structures of the silicon oxide clusters on Si(001) surfaces
Authors: Yang Chong  , Yang Chun  ,   (1)四川师范大学可视化计算与虚拟现实四川省重点实验室，成都  610068；电子科技大学电子薄膜与集成器件国家重点实验室，成都  610054; (2)四川师范大学可视化计算与虚拟现实四川省重点实验室，成都  610068；四川师范大学物理与电子工程学院，成都  610068
Published: December 2020

The possible models of the silicon oxide clusters on Si（001） surface, including the regular symmetric structure （A）, the periodic asymmetric structure （B）, the periodic asymmetric structure （C） and the irregular structure （D）, have been fully optimized using the first-principles general gradient approximation method based on density-functional theory. The results show that all the optimized surface structures are amorphous. The optimized surface structures of the B, C and D models have the similar geometric character as the tetrahedron structure of SiO2. Furthermore, the coalescence between the Si and O atoms of the silicon oxide clusters includes significant ionic bond and certain covalent bond as shown by employing the Mulliken population analysis and the graphics of electron localization function.
Co-existence of multi-wave mixing in an opening five-level atomic system
Authors: Shen Lei-Jian  , Du Yi-Gang  , Li Chuang-She  , Zhang Yan-Peng  , Nie Zhi-Qiang  , Zuo Cui-Cui  , Gan Chen-Li  , Zheng Huai-Bin  , Lu Ke-Qing  ,   (1)西安交通大学电子物理与器件教育部重点实验室，西安  710049; (2)西安交通大学电子物理与器件教育部重点实验室，西安  710049；Department of Physics,University of Arkansas,Fayetteville  72701,USA; (3)中国科学院西安光学精密机械研究所瞬态光学技术国家重点实验室，西安  710068
Published: December 2020

We study the co-existence of multi-wave mixing processes in an open five-level atomic system affected by strong coupling fields. Competition among four-wave mixing （FWM） with two dressing fields, the six-wave mixing （SWM） with one dressing field as well as the eight-wave mixing （EWM） propagating along the same direction can be evoked by adjusting laser beams because these multi-wave mixing signals are induced by atomic coherence between common levels. With the dressing fields properly controlled, the FWM and SWM signals can be suppressed while the EWM signals enhanced in the beam. We also amply analyze the difference between the parallel-cascade and sequentical-cascade doubly dressing mechanisms in doubly-dressed four-wave mixing （DDFWM） processes.
Supercontinuum generation based on fission of higher-order solitons in bi-refringent photonic crystal fibers
Authors: Ji Ling-Ling  , Chen Wei  , Cao Ying-Chun  , Yang Zhen-Yu  , Lu Pei-Xiang  ,   (1)华中科技大学光电科学与工程学院,武汉  430074; (2)武汉科技大学应用物理系，武汉  430081；华中科技大学光电科学与工程学院,武汉  430074
Published: December 2020

The nonlinear propagation of 100 fs Ti:sapphire laser pulses in a bi-refringent photonic crystal fiber is experimentally investigated. Super-continuum generation with spectra extending from 450—1050 nm was obtained and the spectra consist of distinct peaks. The spectral broadening is shown to be caused by the mechanism of spectral broadening through fission of higher-order solitons into red-shifted fundamental solitons and blue-shifted dispersion waves. The simulation of light propagation property in the waveguide can explain well the experimental results.
The method for multi-beam laser heterodyne high-precision measurement of the glass thickness
Authors: Li Yan-Chao  , Zhang Liang  , Yang Yan-Ling  , Gao Long  , Xu Bo  , Wang Chun-Hui  ,   哈尔滨工业大学光电子技术研究所，可调谐激光技术国家级重点实验室，哈尔滨  150001
Published: December 2020

Multi-beam laser heterodyne measurement of glass thiclcness is based on laser heterodyne measurement technology and laser Doppler technology. We deduced the harmonic expression of photodetector output current, discussed the feasibility and theory of the method which make use of the non-contact multi-beam laser heterodyne to increase the precision of the glass thickness measurement, and made simulation in different situation with Matlab. The results showed that the maximum error is 0.3% at different incidence angles in flat glass thickness measurement, which has an obvious advantage in accuracy over the other methods.
Enhancement effect of magneto-optical rotation (MOR) and properties of MOR enhancement device
Authors: Liang Zhong-Cheng  , Zhao Rui  , Bao Gang  ,   南京邮电大学光电工程学院,南京  210003
Published: December 2020

Based on the nonreciprocal property of Faraday effect, we investigate the light output from optical reflection cavity filled with Faraday optical rotation medium. It is shown that such a reflection cavity has the enhancement effect of megneto-optical rotation （MOR）. Base on this phenomenon, a detection method for small rotation angle is proposed, and the characteristics of MOR enhancment device is analyzed. The relations between the detection sensitivity and the factors of reflection, absorption and rotation angle are discussed analytically and simulated. The problems discussed include the angular working point, the measuring range, and the theoretical limitation of detection sensitivity. Under the condition of small angle approximation, the output intensity is proportional to the square of the rotation angle, and increses with the nise of device reflectivity. The angular working point and measuring range decrease monotoniccally with the increase of reflectivity and the drop of the absorption. The limiting value of relative sensitivity is 78.49. The results indicate that the MOR enhancement device can be applied to MOR detection of microfluidic system and miniaturization of MOR instruments.
Particle-in-cell simulation of a cylindrical Hall anode layer plasma accelerator
Authors: Geng Shao-Fei  , Tang De-Li  , Zhao Jie  , Qiu Xiao-Ming  ,   核工业西南物理研究院，成都  610041
Published: December 2020

The Plasma in cylindrical Hall anode layer plasma accelerator is simulated by the two-dimensional particle-in-cell method. Monte Carlo collision method is used to simulate the collision among particles. The distribution of electrons an ions, the movement of ion beam and the energy distribution of ions near the exit plane are studied. The result shows that the magnetic field effectively confines the electrons. Electrons are collected in a small region. Due to the special electromagnetic field, the ion beam has a two-peaked distribution. Near the exit plane, the ion energy ranges from 20% to 100% of the anode voltage. The average energy of ions near the exit plane is about 40%—50% of the anode voltage.
Development and optimization on spatiotemporal resolution of ultrafast electron diffraction
Authors: Liang Wen-Xi  , Zhu Peng-Fei  , Wang Xuan  , Nie Shou-Hua  , Zhang Zhong-Chao  , Cao Jian-Ming  , Sheng Zheng-Ming  , Zhang Jie  ,   (1) Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Bejing 100190, China;,   (2) Physics Department and National High Magnetic Field Laboratory, Florida State University, Tallahassee 32310, USA;,   (3) Department of Physics, Shanghai Jiaotong University, Shanghai 200240, China
Published: December 2020

Ultrafast electron diffraction is a powerful technique for the measurement of transient structure at atomistic level and on ultrafast timescale. Here we report the development of the first such an ultrafast electron diffraction system in China. With careful design and after performing optimization of its spatiotemporal resolution, we are able to detect a sub-milli-ngstrom lattice spacing change with a sub-picosecond temporal resolution in an ultrafast heated Al film. This achievement offers great promise to conduct real-time measurements of transient structures in many dynamical processes that can be initiated by ultrafast optical excitation.
Molecular dynamics investigation of the glass transition at high-pressure in the phase separation liquid
Authors: Li Mei-Li  , Fu Xing-Ye  , Sun Hong-Ning  , Zhao Hong-An  , Li Cong  , Duan Yong-Ping  , Yan Yuan  , Sun Min-Hua  ,   (1)哈尔滨师范大学物理与电子工程学院,先进功能材料与激发态黑龙江省重点实验室,哈尔滨  150025; (2)哈尔滨师范大学物理与电子工程学院,先进功能材料与激发态黑龙江省重点实验室,哈尔滨  150025；绥化学院物理与电子信息系,绥化  152061; (3)绥化学院物理与电子信息系,绥化  152061
Published: December 2020

Molecular dynamics simulation is performed to study the phase separation and the glass transition of a binary liquid mixture when the external pressure is increased from 0 to 2.75 GPa. The structure and dynamic characteristics in the glass transition process are calculated. We find that external pressure will promote the phase separation, and make the glass transition temperature increase. The external pressure will make the transition temperature become higher, at which the β relaxation emerge, the time of β relaxation becomes longer, and the diffusibility of the system becomes lower. We first found that in the phase separation liquid microscopic heterogeneity exists during the glass transition.
First-principles calculations on the electronic band structure of β-Pyrochlore superconductors AOs2O6 (A=K,Rb,Cs)
Authors: Wang Wei  , Sun Jia-Fa  , Liu Mei  , Liu Su  ,   东南大学物理系，南京  211189
Published: December 2020

Using the full-potential linearized augmented plane wave method, we studied the electronic energy band structures of β-pyrochlore superconductors AOs2O6（A=K, Rb, Cs）. The values of electronic density of states at the Fermi level have been significant enhanced for the three compounds due to taking to consideration of the spin-orbit coupling and the on-site Coulomb interactions. The electronic Coulomb correlation constants λc=1.55, 1.12 and 0.73 were obtained. Analyzing the electronic mass enhancement parameters obtained from the experimental data and the calculated electronic density of states, we deduced the electron-phonon coupling constants λep=1.56, 0.78 and 1.08 for the three compounds, respectively. It is suggested that KOs2O6 is a strongly-correlated and strongly electron-phonon coupled system, while RbOs2O6 and CsOs2O6 are medium in these properties.