cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
ТЕОРЕТИКО-ПРАВОВЫЕ АСПЕКТЫ СОВРЕМЕННОГО УПРАВЛЕНИЯ МОРСКИМ ПОРТОМ
Creators: name: ПРАВКИН Сергей Алексеевич
name: СМИРНОВА Вера Владимировна
Publisher: name: Образование и право
Year: 2020
Subjects: морской порт
управление портом
надзорный орган
морская безопасность
инфраструктура порта
администрация порта
ответственность капитана

description: В данной статье рассмотрены теоретико-правовые аспекты современного управления морским портом. Несмотря на то, что законодательство Российской Федерации закрепляет юридический статус порта и правовые основы деятельности и перемещения в морском порту, остаются не полностью решенными проблемы, связанные с управлением морским портом. Цель статьи заключается в разработке предложений, направленных на совершенствование правового регулирования механизма управления морским портом. В работе использованы методы: анализа, формально-юридический метод, метод толкования норм права, сравнительный метод, метод выработки правовых решений. Результаты исследования: авторы делают вывод о необходимости совершенствования системы морской безопасности, в морских портах требуется ее постоянно развивать, в том числе, с использованием цифрового формата. Кроме того, использование цифрового формата должно привести к унификации различных законов в сфере морской перевозки и деятельности в морском порту. Требуется качественное разграничение зон ответственности капитана морского порта и надзорного органа. Необходимо в сфере информационного управления создавать специальный правовой режим с учетом зарубежного опыта организации портовой деятельности, где капитан порта осуществляет в каждом случае административный надзор. Практическая значимость: предложенные изменения в управлении морским портом могут дать системный экономико-правовой эффект в отношении функционирования морских портов.
Infraparticle Scattering States in Non-Relativistic QED: I. The Bloch-Nordsieck Paradigm
Creators: name: Chen, Thomas
name: Froehlich, Juerg
name: Pizzo, Alessandro
Publisher: name: arXiv
Year: 2007
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences
subject: 81T08, 81V10

description: We construct infraparticle scattering states for Compton scattering in the standard model of non-relativistic QED. In our construction, an infrared cutoff initially introduced to regularize the model is removed completely. We rigorously establish the properties of infraparticle scattering theory predicted in the classic work of Bloch and Nordsieck from the 1930's, Faddeev and Kulish, and others. Our results represent a basic step towards solving the infrared problem in (non-relativistic) QED.
description: AMS Latex, 72 pages, 1 figure
Interplay between spacetime curvature, speed of light and quantum deformations of relativistic symmetries
Creators: name: Ballesteros, Angel
name: Gubitosi, Giulia
name: Mercati, Flavio
Publisher: name: arXiv
Year: 2021
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: Recent work showed that $κ$-deformations can describe the quantum deformation of several relativistic models that have been proposed in the context of quantum gravity phenomenology. Starting from the Poincaré algebra of special-relativistic symmetries, one can toggle the curvature parameter $Λ$, the Planck scale quantum deformation parameter $κ$ and the speed of light parameter $c$ to move to the well-studied $κ$-Poincaré algebra, the (quantum) (A)dS algebra, the (quantum) Galilei and Carroll algebras and their curved versions. In this review, we survey the properties and relations of these algebras of relativistic symmetries and their associated noncommutative spacetimes, emphasizing the nontrivial effects of interplay between curvature, quantum deformation and speed of light parameters.
description: v2 matches the version accepted for publication. We added a few references and comments, plus fixed some typos. v3 includes a few additional references
Design of Electromagnetic Cloaks and Concentrators Using Form-Invariant Coordinate Transformations of Maxwell's Equations
Creators: name: Rahm, Marco
name: Schurig, David
name: Roberts, Daniel A.
name: Cummer, Steven A.
name: Smith, David R.
name: Pendry, John B.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: The technique of applying form-invariant, spatial coordinate transformations of Maxwell's equations can facilitate the design of structures with unique electromagnetic or optical functionality. Here, we illustrate the transformation-optical approach in the designs of a square electromagnetic cloak and an omni-directional electromagnetic field concentrator. The transformation equations are described and the functionality of the devices is numerically confirmed by two-dimensional finite element simulations. The two devices presented demonstrate that the transformation optic approach leads to the specification of complex, anisotropic and inhomogeneous materials with well directed and distinct electromagnetic behavior.
description: submitted to "Photonics and Nanostructures", Special Issue "PECS VII", Elsevier
Machine Learning-Based COVID-19 Patients Triage Algorithm using Patient-Generated Health Data from Nationwide Multicenter Database
Creators: name: Park, Min Sue
name: Jo, Hyeontae
name: Lee, Haeun
name: Jung, Se Young
name: Hwang, Hyung Ju
Publisher: name: arXiv
Year: 2021
Subjects: subject: Machine Learning (cs.LG)
subject: Artificial Intelligence (cs.AI)
subject: FOS: Computer and information sciences
subject: I.2, J.3

description: A prompt severity assessment model of patients confirmed for having infectious diseases could enable efficient diagnosis while alleviating burden on the medical system. This study aims to develop a SARS-CoV-2 severity assessment model and establish a medical system that allows patients to check the severity of their cases and informs them to visit the appropriate clinic center based on past treatment data of other patients with similar severity levels. This paper provides the development processes of a severity assessment model using machine learning techniques and its application on SARS-CoV-2 patients. The proposed model is trained on a nationwide dataset provided by a Korean government agency and only requires patients' basic personal data, allowing them to judge the severity of their own cases. After modeling, the boosting-based decision tree model was selected as the classifier while mortality rate was interpreted as the probability score. The dataset was collected from all Korean citizens who were confirmed with COVID-19 between February, 2020 and July, 2021. The experiments achieved high model performance with an approximate precision of $0{\cdot}923$ and AUROC score of $0{\cdot}950$ [$95$% Tolerance Interval $0{\cdot}940$-$0{\cdot}958$, $95$% Confidence Interval $0{\cdot}949$-$0{\cdot}950$]. Moreover, our experiments identified the most important variables affecting the severity in the model via sensitivity analysis. The prompt severity assessment model for managing infectious people has been attained through using a nationwide dataset. It has demonstrated its superior performance by surpassing that of conventional risk assessments. With the model's high performance and easily accessible features, the triage algorithm is expected to be particularly useful when patients monitor their health status by themselves through smartphone applications.
description: To appear in Infectious Diseases and Therapy
Aquilegia lactiflora Karelin & Kirilow 1841
Creators: name: Erst, Andrey S.
name: Pendry, Colin A.
name: Erst, Tatyana V.
name: Ikeda, Hiroshi
name: Xiang, Kunli
name: Wang, Wei
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Ranunculales
Ranunculaceae
Aquilegia
Aquilegia lactiflora

description: 3. Aquilegia lactiflora Karelin & Kirilow (1841: 374).
Type (lectotype, designated by Vassiljeva 1996: 25):— KAZAKHSTAN. In rupestribus umbrosis Tarbagatai ad torrents Dscany-bek et Terekty, 1840, Karelin, Kiriloff, 35 (lectotype MW- 00592309, isolectotype LE, image of the lectotype available at https://plant.depo. msu.ru/open/public/item/ MW 0592309).
......continued on the next page
Additional specimen examined: — INDIA. Jammu and Kashmir State: Zanskar District, Karsha, 11500 ft, 18 July 1981, M. Grace et al. 74 (K001392471); Chitral, Barum Gol: Zapotili, 3500 m, 23 June 1950, Wendelbo (K001392472); PAKISTAN. Baluchistan: Urak, 8600 ft., 09 May 1945, Unkown collector 6690 (K001392473)
Notes:— Aquilegia lactiflora is charactered by white, cream or green-whitish concolourous flowers, petal laminae which are bent outwards, stamens exserted beyond the petal laminae, perpendicular or reflexed sepals, rosulate, biternate or triternate leaves, and indumentum of simple and glandular hairs. Aquilegia moorcroftiana differed from the latter species in having bicoloured flowers (sepals and spurs blue, petal laminae white or cream).
Excluded species:
description: Published as part of Erst, Andrey S., Pendry, Colin A., Erst, Tatyana V., Ikeda, Hiroshi, Xiang, Kunli & Wang, Wei, 2020, Two new taxa and one new record of Aquilegia (Ranunculaceae) from India and Pakistan, pp. 108-118 in Phytotaxa 439 (2) on pages 113-116, DOI: 10.11646/phytotaxa.439.2.1, http://zenodo.org/record/13873693
A power spectral study of PHANGS galaxies with JWST MIRI: On the spatial scales of dust and PAHs
Creators: name: Lind-Thomsen, Charlie
name: Sneppen, Albert
name: Steinhardt, Charles L.
Publisher: name: arXiv
Year: 2025
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: The interstellar medium (ISM) consists of a diversity of structures across a range of spatial scales, intimately tied to galactic evolution. In this work, Fourier analysis is used to characterize the spatial structures of dust and Polycyclic Aromatic Hydrocarbons (PAHs) in the ISM of PHANGS-JWST galaxies, observed in the four photometric mid-infrared (MIR) filters from F770W to F2100W (i.e., 7.7 to 21$μ$m)). We quantify the abundance of structure on different spatial scales using the power-law slope, $α$, of the spatial power spectra. The distribution of $α$ across all length scales differs significantly between filters, with steeper slopes for PAH-dominated filters ($α_{F770W} = 2.19^{+0.16}_{-0.15}$, $α_{F1130W} = 1.88^{+0.25}_{-0.37}$) and shallower for the dust-continuum ($α_{F1000W} = 1.48^{+0.33}_{-0.47}$, $α_{F2100W} = 0.94^{+0.23}_{-0.28}$). The distribution of $α$ across galaxies is narrower for PAH-dominated than for thermal dust-dominated bands, highlighting that PAHs trace photo-dissociation regions dominated by similar physical processes, whereas dust structures are an integrated property over the diverse evolutionary histories of their host galaxies. Unlike dust structures, PAH-sensitive bands display a break in the power spectrum: below a characteristic scale, $\ell_0=160\mathrm{pc}^{+110\mathrm{pc}}_{-50\mathrm{pc}}$, PAH structures are suppressed.
description: 13 pages, 8 figured. ApJ in press
Quasiparticle properties of graphene in the presence of disorder
Creators: name: Qaiumzadeh, A.
name: Arabchi, N.
name: Asgari, R.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Disordered Systems and Neural Networks (cond-mat.dis-nn)
subject: FOS: Physical sciences

description: We calculate the quasiparticle properties of chiral two-dimensional Dirac electrons in graphene within the Landau Fermi Liquid scheme based on $GW$ approximation in the presence of disorder. Disorder effects due to charged impurity scattering plays a crucial role in density dependence of quasiparticle quantities. Mode-coupling approach to scattering rate and self-energy in $GW$ approximation for quasiparticle renormalized Fermi velocity and spin-antisymmetric Landau Fermi parameter incorporating the many-body interactions and the disorder effects show reduction of these quantities by 5-15 percent at available experimental charge carrier density region.
description: 15 pages, 4 figures. To appear in Solid State Communications
Renormalization group optimized $λϕ^4$ pressure at next-to-next-to-leading order
Creators: name: Fernandez, Loïc
name: Kneur, Jean-Loïc
Publisher: name: arXiv
Year: 2021
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We investigate the renormalization group optimized perturbation theory (RGOPT) at the next-to-next-to-leading order (NNLO) for the thermal scalar field theory. From comparing three thus available successive RGOPT orders we illustrate the efficient resummation and very good apparent convergence properties of the method. In particular the remnant renormalization scale dependence of thermodynamical quantities is drastically improved as compared to both standard perturbative expansions and other related resummation methods, such as the screened perturbation theory. Our present results thus constitute a useful first NNLO illustration in view of NNLO applications of this approach to the more involved thermal QCD.
description: 18 pages, 8 figures
Evaluation of Balance ScoreCard Framework For Measuring Organizational Performance in the Central Bank of Nigeria
Creators: name: Umar, Kasim
name: Ukertor Gabriel Moti
Publisher: name: figshare
Year: 2019
Subjects: subject: 160509 Public Administration
subject: FOS: Political science
subject: 150303 Corporate Governance and Stakeholder Engagement
subject: FOS: Economics and business

description: Evaluation of Balance ScoreCard Framework For Measuring Organizational Performance in the Central Bank of Nigeria
Quark-gluon mixed condensate of the QCD vacuum in Holographic QCD
Creators: name: Kim, Hyun-Chul
name: Kim, Youngman
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We investigate the quark-gluon mixed condensate based on an AdS/QCD model. Introducing a holographic field dual to the operator for the quark-gluon mixed condensate, we obtain the corresponding classical equation of motion. Taking the mixed condensate as an additional free parameter, we show that the present scheme reproduces very well experimental data. A fixed value of the mixed condensate is in good agreement with that of the QCD sum rules.
description: 9 pages, two tables
Probing three-state Potts nematic fluctuations by ultrasound attenuation
Creators: name: Kimura, Kazuhiro
name: Sigrist, Manfred
name: Kawakami, Norio
Publisher: name: arXiv
Year: 2021
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Motivated by recent studies of three-state Potts nematic states in magic-angle twisted bilayer graphene and doped-Bi$_2$Se$_3$, we analyze the impact of critical nematic fluctuations on the low energy properties of phonons. In this study we propose how to identify the three-state Potts nematic fluctuations by ultrasound attenuation. The Gaussian fluctuation analysis shows that the Landau damping term becomes isotropic due to fluctuations of the $C_{3}$-breaking bond-order, and the nemato-elastic coupling is also shown to be isotropic. These two features lead to an isotropic divergence of the transverse sound attenuation coefficient and an isotropic lattice softening, in contrast to the case of the $C_4$-breaking bond-order which shows the strong anisotropy. Moreover, we use a mean-field approximation and discuss the impurity effects. The transition temperature takes its maximum near the filling of the van-Hove singularity, and the large density of states favors the nematic phase transition. It turns out that the phase transition is of weak first-order in the wide range of filling and, with increasing the impurity scattering, the first order transition line at low temperatures gradually shifts towards the second-order line, rendering the transition a weak first-order in a wider range of parameters. Furthermore, it is confirmed that the enhancement of the ultrasound attenuation coefficient will be clearly observed in experiments in the case of a weak first-order phase transition.
description: 17 pages, 6 figures,
Lorentz shear modulus of a two-dimensional electron gas at high magnetic field
Creators: name: Tokatly, I. V.
name: Vignale, G.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We show that the Lorentz shear modulus -- one of the three elastic moduli of a homogeneous electron gas in a magnetic field -- can be calculated exactly in the limit of high magnetic field (i.e. in the lowest Landau level). Its value is $\pm \hbar n/4$, where $n$ is the two-dimensional electron density and the sign is determined by the orientation of the magnetic field. We use this result to refine our previous calculations of the dispersion of the collective modes of fractional quantum Hall liquids.
description: 4 pages, 1 figure
Aquilegia kareliniana Meyer ex Trautvetter 1883
Creators: name: Erst, Andrey S.
name: Pendry, Colin A.
name: Erst, Tatyana V.
name: Ikeda, Hiroshi
name: Xiang, Kunli
name: Wang, Wei
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Ranunculales
Ranunculaceae
Aquilegia
Aquilegia kareliniana

description: 4. A. kareliniana Meyer ex Trautvetter
Type (lectotype, designated by Vassiljeva 1996: 13):— KAZAKHSTAN. In montosis sylvaticis Alatau, sat frequens, 1841, Karelin et Kiriloff 1163 (LE!).
General distribution: Kazakhstan, China (Xinjang).
Note: All Indian specimens previously identified as A. kareliniana, belong to A. nivalis. Both species possess concoloured dark violet flowers and yellow anthers.
description: Published as part of Erst, Andrey S., Pendry, Colin A., Erst, Tatyana V., Ikeda, Hiroshi, Xiang, Kunli & Wang, Wei, 2020, Two new taxa and one new record of Aquilegia (Ranunculaceae) from India and Pakistan, pp. 108-118 in Phytotaxa 439 (2) on page 116, DOI: 10.11646/phytotaxa.439.2.1, http://zenodo.org/record/13873693
Fachinformationsdienste in Tübingen
Creators: name: Kim, Timotheus Chang Whae
name: Aprile, Alessandro
Publisher: name: Zenodo
Year: 2019
Subjects: Fachinformationsdienste
Index Theologicus
IxTheo
RelBib
KrimDok

description: Präsentation der Fachinformationsdienste Theologie, Religionswissnschaft und Kriminologie beim Tübinger Fenster für Forschung 2019
Betacoronaviral lectins: Identification through a genomic search—A structural and evolutionary biology perspective
Creators: name: Madasu, Pavan K.
name: Maity, Arpita
name: Patra, Dhabaleswar
name: Chandran, Thyageshwar
Publisher: name: Taylor & Francis
Year: 2023
Subjects: subject: Biophysics
subject: Biochemistry
subject: Microbiology
subject: FOS: Biological sciences
subject: Genetics
subject: Evolutionary Biology
subject: Chemical Sciences not elsewhere classified
subject: Biological Sciences not elsewhere classified
subject: Developmental Biology
subject: Cancer

description: Carbohydrate-binding proteins known as “Lectins” play a crucial role in host-pathogen interactions. Most of the viral surface proteins have lectin activity. In fact, they make the first line of communication with the host cells. Recent reports indicating the haemagglutination property and structural evidences of coronaviral protein bound with Sialic acid (Sia) draw our attention to exploring the presence of lectins in the Betacoronavirus genus from reference genomes. We have considered the seventeen reference genomes of different species and subspecies under the Betacoronavirus genus to identify lectin fold/domain(s) types. We have employed three strategies for characterizing lectin fold/domain(s). The strategies include the sequence-based search against the conserved domain database (CDD) and profile HMMER and Structure-based search against Protein Data Bank (PDB) and unified platform of lectins UniLectin3D database. Interestingly, both the identified proteins, namely Hemagglutinin-esterase (HE) and Spike (S) protein, were localized on viral membranes and played a pivotal role in host-pathogen interactions. These protein structures are fabricated by most pliable β-strands forming varied architectures and topologies, such as β-sandwich, jelly-roll fold, β-barrel, β-prism, β-trefoil, β-propeller and β-hairpins. The identified lectin fold/domain(s) were compared with the characterized ones and were docked with Sia using HADDOCK, and the binding affinity was calculated using the PRODIGY server. Molecular docking studies reveal that all the identified lectin fold/domains agree with the Canyon hypothesis. Furthermore, it could be observed that coronaviruses are constantly evolving by shedding their extra baggage. The latter variants were found to have only the lectin domain but not the esterase domain.
Ferromagnetism with in-plane magnetization, Dirac spin-gapless semiconducting property, and tunable topological states in two-dimensional rare-earth-metal dinitrides
Creators: name: Yu, Yawei
name: Chen, Xin
name: Liu, Xiaobiao
name: Li, Jia
name: Sanyal, Biplab
name: Kong, Xiangru
name: Peeters, François M.
name: Li, Linyang
Publisher: name: arXiv
Year: 2021
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: As the bulk single-crystal MoN2/ReN2 with a layered structure was successfully synthesized in experiment, transition-metal dinitrides have attracted considerable attention in recent years. Here, we focus on rare-earth-metal (Rem) elements and propose seven stable Rem dinitride monolayers with a 1T structure, namely 1T-RemN2. These monolayers have a ferromagnetic ground state with in-plane magnetization. Without spin-orbit coupling (SOC) effect, the band structures are spin-polarized with Dirac points at the Fermi level. Remarkably, the 1T-LuN2 monolayer shows an isotropic magnetic anisotropy energy in the xy-plane with in-plane magnetization, indicating easy tunability of the magnetization direction. When rotating the magnetization vector in the xy-plane, our proposed model can accurately describe the variety of the SOC band gap and two topological states (Weyl-like semimetal and Chern insulator states) appear with tunable properties. The Weyl-like semimetal state is a critical point between the two Chern insulator states with opposite sign of the Chern numbers. The large nontrivial band gap (up to 60.3 meV) and the Weyl-like semimetal state are promising for applications in spintronic devices.
description: 27 pages, 6 figures
Museum Silences on Wartime Rape: The Case of the Imperial War Museum
Creators: name: Almohannadi, Aisha Almisnad
Publisher: name: University of Leicester
Year: 2021
Subjects: Uncategorized

description: Violence against women in wartime has been documented since Antiquity and remains a constant in armed conflict around the world. Women are the most targeted civilian group and sexual violence is seen as a consistent means to annihilate enemies in conflict. While this topic has been widely researched in law, history and feminist studies, it is understudied within the field of museum studies and virtually invisible in museums. The question remains: what is the attitude of war museums towards the long history of violence against women in wartime? The aim of this thesis is to investigate museum silences on the topic of wartime rape against women, with a particular focus on war museums. Drawing on recent museum studies work on human rights this thesis argues that war museums, in particular national war museums, have a moral responsibility to engage with this topic to openly discuss and present the atrocities committed against women, especially when wartime rape is considered a crime against humanity by the United Nations.The case study for this thesis is the Imperial War Museum in London (UK), which covers the history of war from the First World War to the present day. This research uses a qualitative approach to provide a comprehensive understanding of the complex issue of violence against women in conflict zones. Methodologies concerning the investigation of silence in museum contexts have not been widely explored. This research offers a new methodological approach to researching silence, and which factors contribute to it. It brings together visual analysis of the main exhibition spaces and documentary analysis of the archives of past temporary exhibitions to provide the first in-depth investigation of wartime rape in a war museum. The original contribution of this thesis lies both in its in-depth study of museum silences and a novel methodological approach, encouraging museums to reconsider their representation of wartime rape against women. In particular, the role of art as an interpretive strategy is highlighted as a potential approach to engaging with these issues.
Coupling impendance and single beam collective effects for the Future Circular Collider
Creators: name: Belli, Eleonora
Publisher: name: Zenodo
Year: 2018

description: By analyzing the structure of this mode, whose presence has been confirmed with CST simulations in the frequency domain, longitudinal slots and a water-cooled absorber were designed and included in the IR model to reduce the power loss and to prevent vacuum degradation.
Comment on ``Method to analyze electromechanical stability of dielectric elastomers" [Appl. Phys. Lett. 91, 061921 (2007)]
Creators: name: Norris, Andrew N.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The model of Zhao and Suo can be readily generalized to predict the critical breakdown electric field $E_c$ value of elastomers with arbitrary elastic strain energy function. An explicit expression for $E_c$ is presented for elastomeric thin films under biaxial strain and comparisons are made with experimental data using a two term Ogden rubber elasticity model. Simplified results for uniaxial and for equi-biaxial stress provide further insight into the findings of Zhao and Suo.
description: 2 pages
Teaching macromolecules and its metabolism sequentially improves learning abilityin biochemistry course of medical students
Creators: name: Kannika Sermsuvitayawong, Chantra Tanunyutthawongse
Publisher: name: Faculty of Medicine,Srinakharinwirot University
Year: 2014
Subjects: biochemistry topic sequence, medical students, learning ability

description: 1, 21, Journal of Medicine and Health Sciences
Fixed points and boundary layers in exclusion processes
Creators: name: Mukherji, Sutapa
Publisher: name: arXiv
Year: 2008
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: In this paper, we show how a fixed point based boundary layer analysis can be used to understand phases and phase transitions in asymmetric simple exclusion processes (ASEPs) with open boundaries. In order to illustrate this method, we choose a two-species ASEP which has interesting phase transitions not seen in the one-species case. We also apply this method to the single species problem where the analysis is simple but nevertheless quite insightful.
description: 5 pages, five figures; minor modifications, acknowledgement added
3D printing for teaching and exploration in astronomy for individuals with blindness/visual impairment: textured representations of imagery
Creators: name: Christian, Carol
name: Nota, Antonella
name: Grice, Noreen
name: Madura, Thomas
name: Hurd, David
Publisher: name: arXiv
Year: 2025
Subjects: subject: Instrumentation and Methods for Astrophysics (astro-ph.IM)
subject: Physics Education (physics.ed-ph)
subject: FOS: Physical sciences
subject: 8502

description: Astronomy, a captivating field that draws upon science, mathematics, and engineering, has traditionally relied on visual representations to convey the wonders of the cosmos. While this approach effectively engages the sighted population, the use of imagery can exclude individuals with blindness or visual impairment (B/VI). Astronomical research is incorporated into press releases, media, outreach efforts, and educational systems aimed at enhancing public interest and often skill in science, but visual materials can hamper a population with B/VI. This paper explores the potential of 3D printing as an assistive technology providing an alternative to imagery. We produced textured 3D prints of astronomical research data from the Hubble Space Telescope (HST). Useability assessment of materials is an important phase of production before integration into structured programs, and we used a multi-phased approach in our prior research to create and test appropriate textures for 3D astronomical prints. This paper describes the last step of reviewing our 3D prints through informal useability sessions with diverse individuals. The assessment indicated our 3D prints provide reliable, informative representations of astronomical data appropriate for public use especially for public information, outreach programs, and science education for individuals with BVI.
description: 21 pages, 6 figures, 3 tables, International Journal of Science Education, Part B, 2025, supplemental data 10.1080/21548455.2024.2394906
WaveCNet: Wavelet Integrated CNNs to Suppress Aliasing Effect for Noise-Robust Image Classification
Creators: name: Li, Qiufu
name: Shen, Linlin
name: Guo, Sheng
name: Lai, Zhihui
Publisher: name: arXiv
Year: 2021
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: Though widely used in image classification, convolutional neural networks (CNNs) are prone to noise interruptions, i.e. the CNN output can be drastically changed by small image noise. To improve the noise robustness, we try to integrate CNNs with wavelet by replacing the common down-sampling (max-pooling, strided-convolution, and average pooling) with discrete wavelet transform (DWT). We firstly propose general DWT and inverse DWT (IDWT) layers applicable to various orthogonal and biorthogonal discrete wavelets like Haar, Daubechies, and Cohen, etc., and then design wavelet integrated CNNs (WaveCNets) by integrating DWT into the commonly used CNNs (VGG, ResNets, and DenseNet). During the down-sampling, WaveCNets apply DWT to decompose the feature maps into the low-frequency and high-frequency components. Containing the main information including the basic object structures, the low-frequency component is transmitted into the following layers to generate robust high-level features. The high-frequency components are dropped to remove most of the data noises. The experimental results show that %wavelet accelerates the CNN training, and WaveCNets achieve higher accuracy on ImageNet than various vanilla CNNs. We have also tested the performance of WaveCNets on the noisy version of ImageNet, ImageNet-C and six adversarial attacks, the results suggest that the proposed DWT/IDWT layers could provide better noise-robustness and adversarial robustness. When applying WaveCNets as backbones, the performance of object detectors (i.e., faster R-CNN and RetinaNet) on COCO detection dataset are consistently improved. We believe that suppression of aliasing effect, i.e. separation of low frequency and high frequency information, is the main advantages of our approach. The code of our DWT/IDWT layer and different WaveCNets are available at https://github.com/CVI-SZU/WaveCNet.
description: IEEE TIP accepted paper. arXiv admin note: substantial text overlap with arXiv:2005.03337
Deep Learning for Wildlife Conservation and Restoration Efforts
Creators: name: Duhart, Clement
name: Dublon, Gershon
name: Mayton, Brian
name: Glorianna Davenport
name: Paradiso, Joseph A.
Publisher: name: figshare
Year: 2021
Subjects: Behavioral Neuroscience

description: Climate change and environmental degradation are causing species extinction worldwide. Automatic wildlife sensing is an urgent requirement to track biodiversity losses on Earth. Recent improvements in machine learning can accelerate the development of large-scale monitoring systems that would help track conservation outcomes and target efforts. In this paper, we present one such system we developed.
Frustration-induced valence bond crystal and its melting in Mo3Sb7
Creators: name: Koyama, T.
name: Yamashita, H.
name: Takahashi, Y.
name: Kohara, T.
name: Watanabe, I.
name: Tabata, Y.
name: Nakamura, H.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: 121/123Sb nuclear quadrupole resonance and muon spin relaxation experiments of Mo3Sb7 revealed symmetry breakdown to a nonmagnetic state below the transition recently found at TS=50 K. The transition is characterized by a distinct lattice dynamics suggested from narrowing of nuclear fields. We point out that the Mo sublatice is a unique three-dimensional frustrated lattice where nearest-neighbor and next-nearest-neighbor antiferromagnetic interactions compete, and propose that tetragonal distortion to release the frustration stabilizes long-range order of spin-singlet dimers, i.e., valence bond crystal, which is thermally excited to the dynamic state with cubic symmetry.
description: 4 pages. submitted
Physical limitations of the Hohenberg-Mermin-Wagner theorem
Creators: name: Palle, Grgur
name: Sunko, D. K.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Superconductivity (cond-mat.supr-con)
subject: FOS: Physical sciences

description: The Hohenberg-Mermin-Wagner (HMW) theorem states that infrared (IR) fluctuations prevent long-range order which breaks continuous symmetries in two dimensions (2D), at finite temperatures. We note that the theorem becomes physically effective for superconductivity (SC) only for astronomical sample sizes, so it does not prevent 2D SC in practice. We systematically explore the sensitivity of the magnetic and SC versions of the theorem to finite-size and disorder effects. For magnetism, finite-size effects, disorder, and perpendicular coupling can all restore the order parameter at a non-negligible value of $T_c$ equally well, making the physical reason for finite $T_c$ sample-dependent. For SC, an alternative version of the HMW theorem is presented, in which the temperature cutoff is set by Cooper pairing, in place of the Fermi energy in the standard version. It still allows 2D SC at $2$--$3$ times the room temperature when the interaction scale is large and Cooper pairs are small, the case with high-$T_c$ SC in the cuprates. Thus IR fluctuations do not prevent 2D SC at room temperatures in samples of any reasonable size, by any known version of the HMW argument. A possible approach to derive mechanism-dependent upper bounds for SC $T_c$ is pointed out.
description: This version (v2) is the authors' version which was accepted for publication. The previous version (v1), which was never submitted itself, contains additional material which some readers may find interesting
Charged Particle Production in High Q2 Deep-Inelastic Scattering at HERA
Creators: name: H1 Collaboration
Publisher: name: arXiv
Year: 2007
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: The average charged track multiplicity and the normalised distribution of the scaled momentum, $\xp$, of charged final state hadrons are measured in deep-inelastic $\ep$ scattering at high $Q^2$ in the Breit frame of reference. The analysis covers the range of photon virtuality $100 < Q^2 < 20 000 \GeV^{2}$. Compared with previous results presented by HERA experiments this analysis has a significantly higher statistical precision and extends the phase space to higher $Q^{2}$ and to the full range of $\xp$. The results are compared with $e^+e^-$ annihilation data and with various calculations based on perturbative QCD using different models of the hadronisation process.
description: 20 pages, 5 figures
Multistage Kondo effect in a multiterminal geometry: A modular quantum interferometer
Creators: name: Karki, D. B.
name: Pavlov, Andrei I.
name: Kiselev, Mikhail N.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Quantum systems characterized by an interplay between several resonance scattering channels demonstrate very rich physics. To illustrate it we consider a multistage Kondo effect in nanodevices as a paradigmatic model for a multimode resonance scattering. We show that the channel crosstalk results in a destructive interference between the modes. This interplay can be controlled by manipulating the tunneling junctions in the multilevel and multiterminal geometry. We present a full-fledged theory of the multistage Kondo effect at the strong-coupling Fermi-liquid fixed point and discuss the influence of quantum interference effects to the quantum transport observables.
description: 6 pages plus supplementary information, published version (PRB, Letter)
Comparison of the Active Cycle of Breathing Technique (ACBT) versus Active Cycle of Breathing Technique with Flutter in Bronchiectasis
Creators: name: Vrushali K Athawale
name: Lajwanti Lalwani
name: Mishra, Gyanshankar
Publisher: name: figshare
Year: 2021
Subjects: subject: 110317 Physiotherapy
subject: FOS: Clinical medicine
subject: 110203 Respiratory Diseases

description: Abstract:
Background: Bronchiectasis is defined as a permanent and abnormal dilatation of airways with impairment of mucociliary clearance mechanism that leads to inflammation and increased mucus production. It is the commonest disease with a high prevalence rate in the industrial and rural populations. The objective of the study was to compare the active cycle of breathing technique (ACBT) versus the active cycle of breathing technique and flutter in patients with bronchiectasis. Materials and methods: Ethical approval was obtained. 40 subjects were included in the study with age groups of 55 to 75 years. A baseline assessment of participants was taken. Dyspnea was measured on mMRC and Spo2 was recorded on the pulse oximeter. Subjects were divided into two allotted 2 groups (control and experimental) and baseline readings were recorded. After the treatment dyspnea and spo2 were recorded. Result: There was no statically significant difference in saturation level and in dyspnea value in both the groups. (p<0.05) Conclusion: ACBT and flutter device shows significant improvement in treating bronchiectasis patients, but when compared both the techniques are equally effective
Analytic Correlation of Inflationary Potential to Power Spectrum Shape: Limits of Validity, and `No-Go' for Small Field Model Analytics
Creators: name: Wolfson, Ira
Publisher: name: arXiv
Year: 2021
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Numerical Analysis (math.NA)
subject: FOS: Physical sciences
subject: FOS: Mathematics

description: The primordial power spectrum informs the possible inflationary histories of our universe. Given a power spectrum, the ensuing cosmic microwave background is calculated and compared to the observed one. Thus, one focus of modern cosmology is building well-motivated inflationary models that predict the primordial power spectrum observables. The common practice uses analytic terms for the scalar spectral index $n_s$ and the index running $α$, forgoing the effort required to evaluate the model numerically. However, the validity of these terms has never been rigorously probed and relies on perturbative methods, which may lose their efficacy for large perturbations. The requirement for more accurate theoretical predictions becomes crucial with the advent of highly sensitive measuring instruments. This paper probes the limits of the perturbative treatment that connects inflationary potential parameters to primordial power spectrum observables. We show that the validity of analytic approximations of the scalar index roughly respects the large-field/small-field dichotomy. We supply an easily calculated measure for relative perturbation amplitude and show that, for large field models, the validity of analytical terms extends to $\sim 3\%$ perturbation relative to a power-law inflation model. Conversely, the analytical treatment loses its validity for small-field models with as little as $0.1\%$ perturbation relative to the small-field test-case. By employing the most general artificial neural networks and multinomial functions up to the twentieth degree and demonstrating their shortcomings, we show that no reasonable analytic expressions correlating small field models to the observables the yield exists. Finally, we discuss the possible implications of this work and supply the validity heuristic for large and small field models.
description: 22 pages, 13 figures, 2 tables. Updated to comply with published version. Added DOI Added link to INSANE code
Double-Pulse Generation of Indistinguishable Single Photons with Optically Controlled Polarization
Creators: name: Yan, Junyong
name: Liu, Shunfa
name: Lin, Xing
name: Ye, Yongzheng
name: Yu, Jiawang
name: Wang, Lingfang
name: Yu, Ying
name: Zhao, Yanhui
name: Meng, Yun
name: Hu, Xiaolong
name: Wang, Dawei
name: Jin, Chaoyuan
name: Liu, Feng
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Single-photon sources play a key role in photonic quantum technologies. Semiconductor quantum dots can emit indistinguishable single photons under resonant excitation. However, the resonance fluorescence technique typically requires cross-polarization filtering which causes a loss of the unpolarized quantum dot emission by 50%. To solve this problem, we demonstrate a method to generate indistinguishable single photons with optically controlled polarization by two laser pulses off-resonant with neutral exciton states. This scheme is realized by exciting the quantum dot to the biexciton state and subsequently driving the quantum dot to an exciton eigenstate. Combining with magnetic field, we demonstrated the generation of photons with optically controlled polarization (polarization degree of 101(2)%), laser-neutral exciton detuning up to 0.81 meV, high single-photon purity (99.6(1)%) and indistinguishability (85(4)%). Laser pulses can be blocked using polarization and spectral filtering. Our work makes an important step towards indistinguishable single-photon sources with near-unity collection efficiency.
description: Manuscript with 8 pages and 5 figures plus supplementary materials comprising 10 pages and 7 figures
Four-Probe Measurements of Carbon Nanotubes with Narrow Metal Contacts
Creators: name: Makarovski, A.
name: Zhukov, A.
name: Liu, J.
name: Finkelstein, G.
Publisher: name: arXiv
Year: 2007
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We find that electrons in single-wall carbon nanotubes may propagate substantial distances (tens of nanometers) under the metal contacts. We perform four-probe transport measurements of the nanotube conductance and observe significant deviations from the standard Kirchhoff's circuit rules. Most noticeably, injecting current between two neighboring contacts on one end of the nanotube, induces a non-zero voltage difference between two contacts on the other end.
description: 4 pages, 5 figures; submitted
BD+43 3654 -- a blue straggler?
Creators: name: Gvaramadze, V. V.
name: Bomans, D. J.
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The astrometric data on the runaway star BD+43 3654 are consistent with the origin of this O4If star in the center of the Cyg OB2 association, while BD+43 3654 is younger than the association. To reconcile this discrepancy, we suggest that BD+43 3654 is a blue straggler formed via a close encounter between two tight massive binaries in the core of Cyg OB2. A possible implication of this suggestion is that the very massive (and therefore apparently very young) stars in Cyg OB2 could be blue stragglers as well. We also suggest that the binary-binary encounter producing BD+43 3654 might be responsible for ejection of two high-velocity stars (the stripped helium cores of massive stars) -- the progenitors of the pulsars B2020+28 and B2021+51.
description: 4 pages, 1 figure, accepted for publication in A&A Letters
Gauge Independent Quantum Gravitational Corrections to Maxwell's Equation
Creators: name: Katuwal, S.
name: Woodard, R. P.
Publisher: name: arXiv
Year: 2021
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: We consider quantum gravitational corrections to Maxwell's equations on flat space background. Although the vacuum polarization is highly gauge dependent, we explicitly show that this gauge dependence is canceled by contributions from the source which disturbs the effective field and the observer who measures it. Our final result is a gauge independent, real and causal effective field equation that can be used in the same way as the classical Maxwell equation.
description: 19 pages, 7 figures, 1 table
Epitaxial Zn(x)Fe(3-x)O(4) Thin Films: A Spintronic Material with Tunable Electrical and Magnetic Properties
Creators: name: Venkateshvaran, Deepak
name: Althammer, Matthias
name: Nielsen, Andrea
name: Gepraegs, Stephan
name: Rao, M. S. Ramachandra
name: Goennenwein, Sebastian T. B.
name: Opel, Matthias
name: Gross, Rudolf
Publisher: name: arXiv
Year: 2008
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: The ferrimagnetic spinel oxide Zn(x)Fe(3-x)O(4) combines high Curie temperature and spin polarization with tunable electrical and magnetic properties, making it a promising functional material for spintronic devices. We have grown epitaxial thin films with 0<=x<=0.9 on MgO(001) substrates with excellent structural properties both in pure Ar atmosphere and an Ar/O2 mixture by laser molecular beam epitaxy. We find that the electrical conductivity and the saturation magnetization can be tuned over a wide range during growth. Our extensive characterization of the films provides a clear picture of the underlying physics of this spinel ferrimagnet with antiparallel Fe moments on the A and B sublattice: (i) Zn substitution removes both Fe3+ moments from the A sublattice and itinerant charge carriers from the B sublattice, (ii) growth in finite oxygen partial pressure generates Fe vacancies on the B sublattice also removing itinerant charge carriers, and (iii) application of both Zn substitution and excess oxygen results in a compensation effect as Zn substitution partially removes the Fe vacancies. A decrease (increase) of charge carrier density results in a weakening (strengthening) of double exchange and thereby a decrease (increase) of conductivity and the saturation magnetization. This scenario is confirmed by the observation that the saturation magnetization scales with the longitudinal conductivity. The combination of tailored films with semiconductor materials such as ZnO in multi-functional heterostructures seems to be particularly appealing.
description: 13 pages, 8 figures, Hall effect data removed, anti-phase boundary discussion added, accepted for publication in PRB79 (2009)