cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
POSTOPERATIVE ATRIAL FIBRILLATION - VIDEO-ASSISTED THORACOSCOPIC SURGERY VERSUS OPEN SURGERY
Creators: name: Veiga Oliveira, Paulo
name: Cabral, Daniel
name: Antunes, Mariana
name: Torres, Carolina
name: Alvoeiro, Magda
name: Rodrigues, Cristina
name: Sousa-Uva, Miguel
name: Félix, Francisco
Publisher: name: Portuguese Journal of Cardiac Thoracic and Vascular Surgery
Year: 2021

description: Objectives: Compare the incidence of Postoperative atrial fibrillation (PAF) after anatomical lung resection for Non- Small-Cell Lung Cancer (NSCLC) following open surgery versus VATS. Methods: Single center retrospective study of all consecutive patients diagnosed with NSCLC submitted to anatomical lung resection from 2015 to 2019 (N=564). Exclusion criteria: prior atrial fibrillation, previous lung surgery, concomitant procedures, pneumectomy, non-pulmonary resections, urgency surgery. Study population of 439 patients. Primary end-point: incidence of PAF. Univariable analysis was used to compare the baseline characteristics of the 2 groups. Inverse probability of treatment weighting (IPTW) multivariable logistic regression was used including 23 clinical variables to analyze the effect of the approach. The balance was assessed by standardized mean differences. Results: Thoracotomy was performed in 280 patients (63.8%) and 159 (36.2%) were submitted to VATS. Patients submitted to VATS were more likely to be females, had a lower prevalence of non-adenocarcinoma cancer, stage TNM IIIIV, Diabetes Mellitus, respiratory disease, and chronic heart failure. They were submitted less often to neoadjuvant therapy, bilobectomy and they presented higher levels of diffusing capacity for carbon monoxide. After IPTW adjustment, all clinical covariates were well balanced. PAF occurred in 8.6% of the patients undergoing thoracotomy and 3,8% of the patients after VATS. After IPTW adjustment, VATS was not associated with a lower incidence of PAF (OR 0.40; CI95%:0.140-1.171; p=0.095). Conclusion: In this study, minimally invasive non–rib spreading VATS did not decrease the incidence of PAF when compared with standard thoracotomy regarding anatomical lung resection for NSCLC.
description: Portuguese Journal of Cardiac Thoracic and Vascular Surgery, Vol. 28 No. 3 (2021): July - September
Development of UK Reproducibility Network (UKRN) survey to assess Open Science behaviours in researchers
Creators: name: Norris, Emma
name: Pennington, Charlotte
name: Clark, Kait
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Social and Behavioral Sciences
subject: meta-research
subject: meta-science
subject: open research
subject: reproducibility
subject: research behaviour

description: Development and piloting of a brief survey to assess current Open Science behaviours in researchers for the UK Reproducibility Network (UKRN).
title: Ernährungswissen österreichischer Beachvolleyballer*innen im Zusammenhang mit deren sportlichem Erfolg
Creators: name: Weiß, Peter
Year: 2023

description: Der Begriff des Ernährungswissens beschreibt die Gesamtheit des theoretischen und anwendungsbasierten Wissens einer Person zum Thema Ernährung. Hohes Ernährungswissen scheint das Ernährungsverhalten positiv zu beeinflussen. Dieser Effekt ist auch im Leistungssport teilweise beobachtbar. Demnach könnte ein hohes Ernährungswissen bei Leistungssportler*innen deren Erfolg positiv beeinflussen. Ziel dieser Arbeit ist es herauszufinden, ob bei österreichischen Beachvolleyball-Athlet*innen ein Zusammenhang zwischen dem sportlichen Erfolg und deren Ernährungswissen besteht. Des Weiteren soll erforscht werden, ob es hierbei einen Unterschied zwischen männlichen und weiblichen Athlet*innen gibt. 11 weibliche und 10 männliche österreichische Beachvolleyball-Athlet*innen mit einer Top-50-Platzierung der nationalen Beachvolleyballrangliste wurden vom 17.08.2022 – 25.11.2022 zu ihrem Ernährungswissen befragt. Verwendet wurde die deutsche Version des validierten „Abriged Nutrition for Sports Knowledge Questionaire (A-NSKQ)“. Anschließend wurden die erzielten Punkte auf den Fragebogen mit der Ranglistenposition gegenübergestellt und auf Korrelation geprüft. Zusätzlich wurde geprüft, ob ein signifikanter Unterschied zwischen männlichen und weiblichen Athlet*innen besteht. Keine der verwendeten Methoden zeigten eine signifikante Korrelation der Ranglistenposition mit dem Ernährungswissen. Auch konnte kein signifikanter Unterschied zwischen den beiden Geschlechtern berechnet werden. Es scheinen demnach erfolgreichere Beachvolleyball-Athlet*innen in Österreich nicht besser in der Ernährungslehre ausgebildet zu sein als weniger erfolgreiche. Im Leistungssport scheinen auch weibliche Athlet*innen kein signifikant höheres Ernährungswissen aufzuweisen als Männer. Die Vermutung, dass erhöhtes Ernährungswissen die Leistung der Athlet*innen indirekt über die Optimierung des Ernährungsverhaltens verbessern kann, sollte jedoch aufgrund der untersuchten Literatur nicht verworfen werden. Zusätzliche Studien mit größeren Stichproben, sowie unter Miteinbeziehung mehrerer Variablen sind nötig, um diesen Zusammenhang genauer zu untersuchen.
The cyclic nature of crime and the notion of heredity in Agamemnon, Troades and Thyestes
Creators: name: Claxton, Anne
Publisher: name: University Of Tasmania
Year: 2023

description: This thesis argues that the plays Agamemnon, Tkoades and Thyestes are thematically related and also that there is sufficient alternative evidence to support the system of dating by sense-pauses advocated by J.G. Fitch. The unifying thread of these three a Senecan tragedies is the Tantalid line with its ongoing cycle of crime and revenge. In each play we find a family feud with the members of each present and successive generation setting out to surpass in bloodshed both their ancestors and their contemporaries. There are modified echoes of the‚Äö atavistic crime of Tantalus in varying degrees but the dominant motif remains that of revenge. I argue that there are important parallels between the Greek and the Trojan royal families, and between the races before, during and after the war at Troy, not the least in the contexts of crime and suffering. I also examine the dramatic tensions and the psychological development of the characters within these three tragedies, and conclude that any development in Agamemnon is minimal. However, in Troades and in Thyestes in particular, there is a tightening in dramatic form, while the psychological progressions and emotional tensions become more fully realized. I argue therefore that these plays are not static rhetoric but contain sufficient thematic evolution to deserve a higher reputation than hitherto. Seneca uses imagery with telling effect, drawing on the example of Vergil, in particular in the stock portrayal of passion and anger. However, he adds his own philosophical doctrine, which whilst not contributing greatly to Agamemnon, has more relevance in Troades and Thyestes which I suggest lends more weight to Fitch's thesis. I discuss the role of the gods in these tragedies, and show that in this world of Tantalid revenge, that the gods have little relevance and that there can be little optimism for divine benevolence.
MAJOR PULMONARY SURGERY IN PATIENTS WITH COMPROMISED LUNG FUNCTION
Creators: name: Gonçalves Pereira, Rita
name: Branco, Joana
name: Narciso Rocha, Filipa
name: Figueiredo, Catarina
name: Costa, Ana Rita
name: Santos Silva, João
name: Reis, João Eurico
name: Calvinho, Paulo
Publisher: name: Portuguese Journal of Cardiac Thoracic and Vascular Surgery
Year: 2021

description: Introduction: The risk stratification of lung resection is fundamentally based on the results of pulmonary function tests. In patients considered to be at risk, major surgery is generally denied, opting for potentially less curative therapies. Objective: To evaluate the postoperative outcomes of major lung surgery in a group of patients deemed high risk. Methods: We performed a retrospective review of clinical records of all patients submitted to lobectomy, bilobectomy or pneumonectomy in a 3-year period in a reference Thoracic Surgery Unit. The patients were then divided in two groups: group A composed of patients with normal preoperative pulmonary function and group B which included patients with impaired lung function, defined as FEV1 and/or DLCO ≤60%. Results: A total of 234 patients were included, 181 (77.4%) in group A and 53 (22.6%) in group B. In group B, patients had more smoking habits, were more often associated with chronic obstructive pulmonary disease and were also more frequently submitted to thoracotomy. When surgery was motivated by primary lung cancer this group had a more advanced clinical stage of the disease. In the postoperative period, these patients had longer hospital stay, longer chest drainage time and greater need for oxygen therapy at home, however, no statistically significant difference was noted in morbidity or mortality. Conclusions: Major thoracic surgery can be safely performed in selected patients considered to be high risk for resection by pulmonary function tests. A potentially curative surgery should not be denied based on respiratory function tests alone.
description: Portuguese Journal of Cardiac Thoracic and Vascular Surgery, Vol. 28 No. 3 (2021): July - September
Microscopic calculation of 240Pu scission with a finite-range effective force
Creators: name: Younes, W.
name: Gogny, D.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Hartree-Fock-Bogoliubov calculations of hot fission in $^{240}\textrm{Pu}$ have been performed with a newly-implemented code that uses the D1S finite-range effective interaction. The hot-scission line is identified in the quadrupole-octupole-moment coordinate space. Fission-fragment shapes are extracted from the calculations. A benchmark calculation for $^{226}\textrm{Th}$ is obtained and compared to results in the literature. In addition, technical aspects of the use of HFB calculations for fission studies are examined in detail. In particular, the identification of scission configurations, the sensitivity of near-scission calculations to the choice of collective coordinates in the HFB iterations, and the formalism for the adjustment of collective-variable constraints are discussed. The power of the constraint-adjustment algorithm is illustrated with calculations near the critical scission configurations with up to seven simultaneous constraints.
description: 18 pages, 24 figures, to be published in Physical Review C
Rayleigh-Taylor instability of crystallization waves at the superfluid-solid 4He interface
Creators: name: Burmistrov, S. N.
name: Dubovskii, L. B.
name: Tsymbalenko, V. L.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: At the superfluid-solid 4He interface there exist crystallization waves having much in common with gravitational-capillary waves at the interface between two normal fluids. The Rayleigh-Taylor instability is an instability of the interface which can be realized when the lighter fluid is propelling the heavier one. We investigate here the analogues of the Rayleigh-Taylor instability for the superfluid-solid 4He interface. In the case of a uniformly accelerated interface the instability occurs only for a growing solid phase when the magnitude of the acceleration exceeds some critical value independent of the surface stiffness. For the Richtmyer-Meshkov limiting case of an impulsively accelerated interface, the onset of instability does not depend on the sign of the interface acceleration. In both cases the effect of crystallization wave damping is to reduce the perturbation growth-rate of the Taylor unstable interface.
description: 8 pages, 2 figures, RevTex
SURGICAL ABLATION OF ATRIAL FIBRILLATION AND LEFT ATRIAL APPENDAGE OCCLUSION BY A TOTALLY VIDEOTHORACOSCOPIC APPROACH - NEW PARADIGM?
Creators: name: Rodrigues, Carolina
name: Silva, Manuela
name: Cerejo, Rui
name: Portugal, Guilherme
name: Cunha, Pedro
name: Rodrigues, Rui
name: Oliveira, Mário
name: Fragata, José
Publisher: name: Portuguese Journal of Cardiac Thoracic and Vascular Surgery
Year: 2021

description: Introduction: Atrial fibrillation (AF) contributes to increased morbidity and mortality. Pharmacological and percutaneous catheter therapies are unsatisfactory, with potential serious adverse effects. Cox-Maze III/IV surgery, with higher rates of success, has not been widely adopted because of the associated complexity of the procedure. Methods: We performed a retrospective analysis of the first patients submitted to surgical ablation of AF with occlusion of the left atrial appendage with a totally videothoracoscopic (VATS) approach in our institution. We describe the surgical technique and our results, including duration of surgery, hospital stay, complications and maintenance of sinus rhythm after surgery, at 6, 12 and 18 months of follow-up. Results: We studied 15 patients (ages ranging from 39 to 75 years old; 54,5% female gender). Mean time since the diagnosis of AF was 5,75 years. All had been submitted to prior catheter ablation (mean of 2 attempts). Mean diameter and volume of the left atrium was 42 mm (M-mode) and 70 ml (43 ml/m2), respectively. Mean duration of surgery was 2 hours and 22 minutes. In one patient we had to convert the surgery to median sternotomy. Mean hospital stay was 4,8 days. Mean time of follow-up was 12 months. During follow-up, 91%, 90% and 80% of the patients were in sinus rhythm at 6, 12 and 18 months, respectively. Conclusion: This surgical approach represents a real benefit for those patients with multiple attempts of catheter ablation without success. However, a larger sample of patients with a longer period of follow-up is necessary for further conclusions.
description: Portuguese Journal of Cardiac Thoracic and Vascular Surgery, Vol. 28 No. 3 (2021): July - September
Structure and dynamics of penumbral filaments
Creators: name: Cobo, B. Ruiz
name: Rubio, L. R. Bellot
Publisher: name: arXiv
Year: 2008
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: High-resolution observations of sunspots have revealed the existence of dark cores inside the bright filaments of the penumbra. Here we present the stationary solution of the heat transfer equation in a stratified penumbra consisting of nearly horizontal magnetic flux tubes embedded in a stronger and more vertical field. The tubes and the external medium are in horizontal mechanical equilibrium. This model produces bright filaments with dark cores as a consequence of the higher density of the plasma inside the flux tube, which shifts the surface of optical depth unity toward higher (cooler) layers. Our results suggest that the surplus brightness of the penumbra is a natural consequence of the Evershed flow, and that magnetic flux tubes about 250 km in diameter can explain the morphology of sunspot penumbra.
description: 6 pages, 4 figures, conference proceedings: SEA, 2008, Santander, Spain
Adjective order, rhythmic stress and recall
Creators: name: Hether, Christine Anne
Publisher: name: University of British Columbia
Year: 2011

description: Previous investigations of the phenomenon of preferred adjective order in English have overlooked or ignored the influence of rhythmic stress in language recall. The importance of researching this dimension becomes evident when one attempts to understand preferred adjective order cross-culturally, particularly in languages such as Spanish and French where adjective order is flexible, but rhythmic stress is not. The hypothesis of the present experiment, that the nonstressed word of a phrase would be a better cue than the stressed word for the rest of the phrase was not substantiated. However, the finding that first word stress during input was the most relevant variable with respect to recalling phrases has important implications for speech perception and first language learning. In effect, the data suggest that the acoustical marker of first word stress constitute a perceptual strategy which is primary in learning English. The data are not comprehensive enough to generalize this principle to other languages, but certainly suggest the value of investigating such a possibility.
Towards Bellerive : the development of the Kangaroo Bay/Kangaroo Point area, 1806 to 1830
Creators: name: Ball, Margaret
Publisher: name: University Of Tasmania
Year: 2023

description: This study makes a first attempt to document from primary source material Bellerive's earliest settlement in 1806, when it was known as Kangaroo Bay and Kangaroo Point, and its subsequent development through to 1830. The end date was decided by limitation of time but proved to be a mile-stone marking the passing of an epoch of a rampant illegal stock trade and the consolidation of a commercial ferry service provided both by government and private individuals. Government interest in the area is apparent from Macquarie's intervention in 1812, to 1824 when Lieutenant-Governor Arthur attempted to domicile an Aboriginal group there. Reports from the late 1820s and early 1830s present it as most unsavoury, in contrast with Bellerive's later reputation as a fashionable watering-place. The current work makes no effort to investigate the latter phenomenon but suggests that such research would be worthwhile both in terms of land use study and changing human perceptions of their environment. The current study does draw attention to the early extensive settlement of the area and the role played by Calcutta arrivals and relocated Norfolk Islanders, including three who arrived in Australia in 1788 with the first fleet.
Cross-age tutoring and the development of three thinking strategies in additiion
Creators: name: Beaumont, Timothy
Publisher: name: University Of Tasmania
Year: 2023

description: This study explored the effects of cross-age tutoring as an instructional mode in the development of thinking skills in Mathematics. Six mixed-ability Grade One students were tutored by six high-ability Grade 6 students in three thinking strategies in addition. A tutoring model was developed to facilitate more effective tutoring of the thinking skills. The tutors modelled, rehearsed, allowed their students to apply the strategy and encouraged students to reflect on what they had done. This model was later modified as a result of the research findings. Subjects were tutored daily over a four week period in the `min' model, Near Doubles and Build to Ten strategies. Tutor-student interactions were recorded. A Tutoring Scaffolds Protocol was developed to categorise tutors' scaffolds. A significant similarity was found in the techniques that tutors use to correct students' responses. To assist in developing understandings of the tutoring process tutor responses were placed within the six scaffolded functions proposed in the work of Wood, Bruner and Ross (1976). A model of tutors' repair strategies was proposed to explain tutors' scaffolding functions. It was concluded that tutoring was an effective method for teaching thinking skills when it was used with other activities that encourage the development of shared understandings of the learning process. It was proposed that repair strategies offered by the tutors could be taught in tutor training sessions, thereby fostering the metacognitive understandings of students involved in tutoring programs.
Cheating for Problem Solving: A Genetic Algorithm with Social Interactions
Creators: name: Lahoz-Beltra, Rafeal
name: Ochoa, Gabriela
name: Aickelin, Uwe
Publisher: name: arXiv
Year: 2010
Subjects: subject: Neural and Evolutionary Computing (cs.NE)
subject: Artificial Intelligence (cs.AI)
subject: Computer Science and Game Theory (cs.GT)
subject: FOS: Computer and information sciences

description: We propose a variation of the standard genetic algorithm that incorporates social interaction between the individuals in the population. Our goal is to understand the evolutionary role of social systems and its possible application as a non-genetic new step in evolutionary algorithms. In biological populations, ie animals, even human beings and microorganisms, social interactions often affect the fitness of individuals. It is conceivable that the perturbation of the fitness via social interactions is an evolutionary strategy to avoid trapping into local optimum, thus avoiding a fast convergence of the population. We model the social interactions according to Game Theory. The population is, therefore, composed by cooperator and defector individuals whose interactions produce payoffs according to well known game models (prisoner's dilemma, chicken game, and others). Our results on Knapsack problems show, for some game models, a significant performance improvement as compared to a standard genetic algorithm.
description: 7 pages, 5 Figures, 5 Tables, Proceedings of Genetic and Evolutionary Computation Conference (GECCO 2009), Montreal, Canada
Hong Kong University Public Opinion Programme Poll 2007-2018
Creators: name: Public Opinion Programme, The University Of Hong Kong
Publisher: name: Roper Center for Public Opinion Research
Year: 2021

description: The 2007-2018 HKUPOP cumulative data file for the Hong Kong University Public Opinion Programme (HKUPOP) is now available from the Roper Center for Public Opinion Research via Roper Express. The newly released cumulative data file contains individual response coding for 698113 respondents and 1556 variables.
title: Apokalyptische Tendenzen in Zeiten von Pandemien
Creators: name: Jetzinger, Michael
Year: 2023

description: Das Ziel der vorliegenden Arbeit ist zu beantworten, ob es in Zeiten von Pandemien zu apokalyptischen bzw. katastrophisch-millenaristischen Bewegungen im Christentum gekommen ist. Dazu wird folgende Forschungsfrage gestellt: Wie wird von kirchlicher Seite auf große Pandemien und Seuchen reagiert, wie reagieren die Gläubigen selbst und inwiefern treten hierbei religiöse Besonderheiten in Form von apokalyptischen Tendenzen auf? Um die Forschungsfrage zu beantworten, wird die Methodik der vergleichenden Literaturanalyse angewandt. Die Analyse zeigt, dass im christlichen Spektrum in der Vergangenheit während Epidemien und Pandemien apokalyptisches Gedankengut aufkeimte und derartige Bewegungen entstanden. Diese religiösen Besonderheiten werden in der Folge beleuchtet. Es wird aufgezeigt, dass es in Zeiten großer Krisen zu einer Häufung dieser Bewegungen kommt und die Reaktionen der Gläubigen beschrieben.
description: The aim of this work is to answer whether apocalyptic or catastrophic-millenarian move-ments have occurred in Christianity at times of pandemics. The following are the research questions: How does the church react to major pandemics and epidemics? How do the believers themselves react and to what extent do religious peculiarities appear in the form of apocalyptic tendencies? To answer these questions, the methodology of comparative literature analysis is being used. The analysis shows that in the Christian spectrum in the past, apocalyptic ideas emerged during epidemics and pandemics and movements of this nature emerged wherein religious peculiarities can be examined. It is shown that at times of great crises there is an increase in these movements and the reactions of the believers are described as well.
Latin European Alliance of Cardiovascular Surgical Societies (LEACSS) – Towards independent evidence-based cardiovascular medicine and shared surgical education
Creators: name: Sousa Uva, Miguel
Publisher: name: Portuguese Journal of Cardiac Thoracic and Vascular Surgery
Year: 2021

description: Portuguese Journal of Cardiac Thoracic and Vascular Surgery, Vol. 28 No. 3 (2021): July - September
pi-pi Scattering in Twisted Mass Chiral Perturbation Theory
Creators: name: Buchoff, Michael I
name: Chen, Jiunn-Wei
name: Walker-Loud, Andre
Publisher: name: arXiv
Year: 2008
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: In this report we describe both I=2 and I=0 pi-pi scattering for twisted mass lattice QCD utilizing twisted mass chiral perturbation theory at next-to-leading order. Focusing on the lattice spacing (b) corrections, we demonstrate that in the exotic I=2, I_3=+-2 channels, the leading scaling violations of pi-pi scattering at maximal twist begin at O(m_pi^2 b^2). This is not the case in any other isospin channel, for which the scaling violations at maximal twist begin at O(b^2). Furthermore, we demonstrate the existence of a mixing between the I=2, I_3 = 0 and I=0 scattering channels due to the breaking of isospin symmetry by the twisted mass term. The mixing term, although formally next-to-leading order, is relatively large, thus necessitating the use of a coupled channel analysis. We argue that this mixing likely renders the computation of the I=0 channel impractical with twisted mass lattice QCD.
description: 7 pages, 2 figures, version published in PRD
Conversational resources of two-person psychotherapy
Creators: name: Katz, Bruce Allen
Publisher: name: University of British Columbia
Year: 2011

description: The research reported here takes as its data tape-recordings and transcripts of a number of two-person psychiatric interviews, conducted by two psychiatrists with a number of patients of both sexes. The transcripts are analysed by reference to speech acts as units, and the emphasis is on properties common to all speech in natural language. An attempt is made to show (a) that by reference to such unit acts, psychiatric events can be made intelligible, and (b) that an analysis along these lines is in principle capable of "explaining" the interactional mechanisms of the psychiatric interview, without recourse to psychiatric theory as part of the analytic apparatus. Among issues given special attention are (1) the opening of the psychiatric interview and its consequentiality for further developments, (2) the negotiated character of topics and the availability of interactional devices for controlling topical development, and (3) the accomplishment of "treatment" through "talk". Findings are reported with respect to each of these issues, but the report should be read chiefly as an exercise in the application of a method of socio-linguistic analysis to a type of data usually reserved for substantive treatment in the area of social psychiatry.
Integral field optical spectroscopy of a representative sample of ULIRGs: I. The Data
Creators: name: Garcia-Marin, M.
name: Colina, L.
name: Arribas, S.
name: Monreal-Ibero, A.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: We present a project aimed at studying the structure, dust distribution, ionization state, and kinematics of a representative sample of 22 ULIRGs. The galaxies in the sample undergo different merger phases (they are evenly divided between pre- and post-coalescence systems) and ionization stages (27% HII, 32% LINER, 18% Seyfert, and 23% mixed classifications) over a wide infrared luminosity range (11.8
description: To appear in A&A. Paper with higher quality images can be found at http://hera.ph1.uni-koeln.de/ftpspace/maca/Catalog/
Interaction-induced criticality in Z_2 topological insulators
Creators: name: Ostrovsky, P. M.
name: Gornyi, I. V.
name: Mirlin, A. D.
Publisher: name: arXiv
Year: 2009
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: Critical phenomena and quantum phase transitions are paradigmatic concepts in modern condensed matter physics. A central example in the field of mesoscopic physics is the localization-delocalization (metal-insulator) quantum phase transition driven by disorder -- the Anderson transition. Although the notion of localization has appeared half a century ago, this field is still full of surprising new developments. The most recent arenas where novel peculiar localization phenomena have been studied are graphene and topological insulators, i.e., bulk insulators with delocalized (topologically protected) states on their surface. Besides exciting physical properties, the topological protection renders such systems promising candidates for a variety of prospective electronic and spintronic devices. It is thus of crucial importance to understand properties of boundary metallic modes in the realistic systems when both disorder and interaction are present. Here we find a novel critical state which emerges in the bulk of two-dimensional quantum spin Hall (QSH) systems and on the surface of three-dimensional topological insulators with strong spin-orbit interaction due to the interplay of nontrivial Z_2 topology and the Coulomb repulsion. At low temperatures, this state possesses a universal value of electrical conductivity. In particular, we predict that the direct QSH phase transition occurs via this novel state. Remarkably, the interaction-induced critical state emerges on the surface of a three-dimensional topological insulator without any adjustable parameters. This ``self-organized quantum criticality'' is a novel concept in the field of interacting disordered systems.
description: 7 pages, 3 figures
Disrupting the familiar
Creators: name: Bansel, Peter
Publisher: name: University Of Tasmania
Year: 2023

description: I have constructed a narrative that draws on a variety of traditions, disciplines and discourses. This narrative was located in the discursive territory made available to me by my reading of poststructuralist feminist theory. I adopted a conception of poststructuralist feminism as a transformational politics involving a struggle against domination and oppression, a struggle motivated by a desire to change ourselves as well as the structures in which we live, a struggle which results in the transformation of both ourselves and our world. I have used the production of the text as an opportunity to reflect on the constructed nature of my own subjectivity. These reflections informed consideration of the construction of subjectivity in relation to five themes: one, feminism, patriarchy and power; two, ideology, discourse and language; three, truth, knowledge and reality; four, society, agency and subjectivity; five, dualism, consciousness and transformation. These themes were organised around the idea of betrayal and explored/expressed through three different kinds of text: autobiography; literary fiction; and academic theory. These were laid alongside each other and each intended to be an iteration of similar ideas expressed through the employment of different discursive styles. The text was seen as an attempt at critical deconstruction, as a collision between the wider social structures and the life stories. Through this collision, the intention was to provoke the reader to critically reflect on the life stories presented in this work and perhaps, like the author, interrogate the deceptive habituated familiarity of her/his own life stories. In searching for a non-dualistic formulation of the human subject I have attempted to locate a perspective that allowed conceptualisation of body, self, person, identity and subjectivity in terms of both structure and agency. Such a search involved an exploration of possible relationships between people, their historical, political and social circumstances and the choices that they make. In exploring possible relationships between people, history, circumstance and choice I acknowledged that social structures do not exist without human subjectivity, and that social structures define the boundaries within which human behaviour, feeling, thought and action are both made possible and given meaning. I thus sought to articulate the inter-relationship of the human subject as agent and the social structure in which their subjectivity is enabled, enacted or performed in ways that proscribe, or enable, change.
THE SYNTACTIC PARADIGM OF COMPLEX SYNTACTIC CONSTRUCTIONS
Creators: name: Turdiyeva, Nilufar
Publisher: name: Zenodo
Year: 2025

description: This study investigates the macrosegmental organization of text and the syntactic paradigms of complex syntactic constructions in Uzbek linguistics. By analyzing syntactic functions and structural models of compound sentences and syntactic units across various genres, the research reveals the role of syntactic paradigms in shaping textual cohesion and semantic depth.
Reviews and perspectives on black hole complementarity
Creators: name: Yeom, Dong-han
Publisher: name: arXiv
Year: 2009
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: If black hole complementarity is the correct idea to resolve the information loss problem, it should apply to general black holes. We suggest two models: Frolov, Markov, and Mukhanov's regular black hole and a charged black hole. These models can work as counterexamples to black hole complementarity. It has been mentioned that a large number of massless fields is an important condition to justify these models. The invalidity of this principle may imply that the holographic principle must be re-interpreted; the information loss problem, as well, should be re-considered.
description: 6 pages, 1 figure; A proceeding for CosPA2008. Talk on the 29th of October, 2008, Pohang, Korea
Microwave-Driven Transitions in Two Coupled Semiconductor Charge Qubits
Creators: name: Petersson, K. D.
name: Smith, C. G.
name: Anderson, D.
name: Atkinson, P.
name: Jones, G. A. C.
name: Ritchie, D. A.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We have studied interactions between two capacitively coupled GaAs/AlGaAs few-electron double quantum dots. Each double quantum dot defines a tunable two-level system, or qubit, in which a single excess electron occupies either the ground state of one dot or the other. Applying microwave radiation we resonantly drive transitions between states and non-invasively measure occupancy changes using proximal quantum point contact charge detectors. The level structure of the interacting two-qubit system is probed by driving it at a fixed microwave frequency whilst varying the energy detuning of both double dots. We observe additional resonant transitions consistent with a simple coupled two-qubit Hamiltonian model.
Measuring storage and loss moduli using optical tweezers: broadband microrheology
Creators: name: Tassieri, Manlio
name: Gibson, Graham M.
name: Evans, R. M. L.
name: Yao, Alison M.
name: Warren, Rebecca
name: Padgett, Miles J.
name: Cooper, Jonathan M.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: We present an experimental procedure to perform broadband microrheological measurements with optical tweezers. A generalised Langevin equation is adopted to relate the time-dependent trajectory of a particle in an imposed flow to the frequency-dependent moduli of the complex fluid. This procedure allows us to measure the material linear viscoelastic properties across the widest frequency range achievable with optical tweezers.
description: 5 pages, 3 figures
Fulde-Ferrell-Larkin-Ovchinnikov phase in the presence of pair hopping interaction
Creators: name: Ptok, Andrzej
name: Maska, Maciej M.
name: Mierzejewski, Marcin
Publisher: name: arXiv
Year: 2009
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: The recent experimental support for the presence of the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) phase in the CeCoIn5 directed the attention towards the mechanisms responsible for this type of superconductivity. We investigate the FFLO state in a model where on--site/inter--site pairing coexists with repulsive pair hopping interaction. The latter interaction is interesting in that it leads to pairing with nonzero momentum of the Cooper pairs even in the absence of the external magnetic field (the so-called eta-pairing). It turns out that depending on the strength of the pair hopping interaction the magnetic field can induce one of two types of the FFLO phase with different spatial modulations of the order parameter. It is argued that the properties of the FFLO phase may give information about the magnitude of the pair hopping interaction. We also show that eta-pairing and d-wave superconductivity may coexist in the FFLO state. It holds true also for superconductors which in the absence of magnetic field are of pure d-wave type.
description: 16 pages, 8 figures
Minimal Uncertainty in Momentum: The Effects of IR Gravity on Quantum Mechanics
Creators: name: Mirza, Behrouz
name: Zarei, Moslem
Publisher: name: arXiv
Year: 2009
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The effects of the IR aspects of gravity on quantum mechanics is investigated. At large distances where due to gravity the space-time is curved, there appears nonzero minimal uncertainty $Δp_{0}$ in the momentum of a quantum mechanical particle. We apply the minimal uncertainty momentum to some quantum mechanical interferometry examples and show that the phase shift depends on the area surrounded by the path of the test particle . We also put some limits on the related parameters. This prediction may be tested through future experiments. The assumption of minimal uncertainty in momentum can also explain the anomalous excess of the mass of the Cooper pair in a rotating thin superconductor ring.
description: 8 pages, revised version accepted by PRD
Gauge invariance and classical dynamics of noncommutative particle theory
Creators: name: Gitman, D. M.
name: Kupriyanov, V. G.
Publisher: name: arXiv
Year: 2009
Subjects: subject: Mathematical Physics (math-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We consider a model of classical noncommutative particle in an external electromagnetic field. For this model, we prove the existence of generalized gauge transformations. Classical dynamics in Hamiltonian and Lagrangian form is discussed, in particular, the motion in the constant magnetic field is studied in detail.
description: 10 pages
Creating a place : women, land and improvisation
Creators: name: Breen, Andrea
Publisher: name: University Of Tasmania
Year: 2023

description: Being a woman-in-the-world is a cacophony of experiences in which place and improvised events ceaselessly vibrate. For artists this resonance can be consciously generative or circulate at a deeper layer of creativity. At whatever level they voice their presence, sense of place and improvisatory practice are in constant process of becoming. In this interdisciplinary thesis I seek to present a more enriched way of being-in-the-world for women through presenting sonorities of emplacement and improvisatory practice as rhizomes of transformation. The intertext of the biophysical world is infused with phenomena which parallel improvisatory events, and so in the first 'sounding' the concept of place is explored by way of 'outside' space and its common referents 'nature', 'landscape' and 'wilderness'. These terms have been feminized in the traditions of Western representation and I attempt to recuperate them through a sense of the feminine that comes from attunement rather than from objectification. Improvisation for women is fraught with 'garrison' rules that almost preclude participation. I argue in the second 'sounding' that nonidiomatic improvisation may offer a non-gendered space in which women improvisers can voice their desires without the constrictions of masculinist models of desire and closure. An important facet of this process has been interviews with nonindigenous women composers who use improvisatory gestures and 'land' resonances in their compositions. Drawing on interviews with Miriam Hyde, Ros Bandt, Hazel Smith, Anne Boyd and Moya Henderson, I propose that diversity and multiplicity in women's serious art-music in Australia are often expressed through improvisatory gesture or in a subtext of improvisatory intentions through which signifiers of openness and interrelatedness are sounded. My own journey, has been a cyclical process of displacement and emplacement. By way of improvisatory practice I have been able to express that process in my compositions. In the final 'sounding' I describe the process of making the two recordings included with this thesis: the sound installations for the collaborative women's exhibition Will the real Australia please stand up.. .a travelogue, and the CD improvisation-image-voice, a collection of improvisations to the readings of four Tasmanian women poets who respond to sense of place. As creativity for me has incorporated performance, I conclude with reflections on performances with the poet Sue Moss that grew from the recording process.
Uniform cross phase modulation for nonclassical radiation pulses
Creators: name: Marzlin, Karl-Peter
name: Wang, Zeng-Bin
name: Moiseev, Sergey A.
name: Sanders, Barry C.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We propose a scheme to achieve a uniform cross phase modulation (XPM) for two nonclassical light pulses and study its application for quantum non-demolition measurements of the photon number in a pulse and for controlled phase gates in quantum information. We analyze the scheme by quantizing a common phenomenological model for classical XPM. Our analysis first treats the ideal case of equal cross-phase modulation and pure unitary dynamics. This establishes the groundwork for more complicated studies of non-unitary dynamics and difference in phase shifts between the two pulses where decohering effects severely affect the performance of the scheme.
description: 11 pages, 4 figures. To appear in J. Opt. Soc. Am. B
New Results for the Correlation Functions of the Ising Model and the Transverse Ising Chain
Creators: name: Perk, Jacques H. H.
name: Au-Yang, Helen
Publisher: name: arXiv
Year: 2009
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: In this paper we show how an infinite system of coupled Toda-type nonlinear differential equations derived by one of us can be used efficiently to calculate the time-dependent pair-correlations in the Ising chain in a transverse field. The results are seen to match extremely well long large-time asymptotic expansions newly derived here. For our initial conditions we use new long asymptotic expansions for the equal-time pair correlation functions of the transverse Ising chain, extending an old result of T.T. Wu for the 2d Ising model. Using this one can also study the equal-time wavevector-dependent correlation function of the quantum chain, a.k.a. the q-dependent diagonal susceptibility in the 2d Ising model, in great detail with very little computational effort.
description: LaTeX 2e, 31 pages, 8 figures (16 eps files). vs2: Two references added and minor changes of style. vs3: Corrections made and reference added
Resilience in response to life stress : the effects of coping style and cognitive hardiness on the psychological health of mature age students
Creators: name: Beasley, M
Publisher: name: University Of Tasmania
Year: 2023

description: This review evaluates the literature concerning individual differences in response to adverse life events, with a particular focus on the factors and mechanisms that may be protective or buffer an individual against the negative effects of life stress. The review examines gender and life span differences in the life stress/psychological and physical health equation, and examines the role of turning points in changing adaptational trajectories in life. It is argued that research should focus on protective mechanisms which may be developed through successful engagement with adversity, rather than on protective factors, which are more likely to be a 'given' and not open to change. It is argued that protective mechanisms (such as coping style) are processes amenable to intervention, and that their study can extend our knowledge of the promotion of resilience. The review focusses on three possible protective mechanisms: coping style, cognitive hardiness and explanatory style, and the two models which have been suggested to test such variables: the main and buffer effects models. Finally, implications for clinical and educational intervention are discussed, and suggestions are made for future research concerning the promotion of resilient outcomes.
A IMPORTÂNCIA E OS DESAFIOS ENCONTRADOS NO ENSINO APRENDIZAGEM DA LÍNGUA INGLESA NO ENSINO BÁSICO
Creators: name: JUNIOR, Antônio Carlos Soares
Publisher: name: Zenodo
Year: 2023
Subjects: Importância; Ensino Aprendizagem; Língua Inglesa.

description: De acordo com estudos e pesquisas realizadas o ensino da Língua Inglesa no Ensino Médio foi e permanece sendo inconveniente na maioria das escolas públicas e particulares no Brasil, reforçando dessa forma, a crença de que é excêntrico se aprender inglês nas escolas regulares. Esta investigação foi dirigida de forma a aproximar o perfil dos subalternos envolvidos neste processo; educador e educando; buscando avaliar os motivos de um ensino insatisfatório que embora não atende as metas previstas nas informações relacionadas ao ensino, sobretudo determinado alguns preceitos estabelecidos pelos Parâmetros Curriculares Nacionais - PCNs, mais especificamente o PCN de Língua Estrangeira. As consequências mostram que, embora do ensino da escola pública seja considerado menos eficiente que o da escola particular de caráter geral, no que dizer respeito ao ensino e a aprendizagem da Língua Inglesa, contudo, a escola pública quanto à privada proporciona características bem imediatas uma da outra, evidenciando a necessidade de uma política de ensino de línguas mais intensa e uma inquietação maior com relação à formação de professores bilíngues.
Dissipative Taylor-Couette flows under the influence of helical magnetic fields
Creators: name: Ruediger, G.
name: Gellert, M.
name: Schultz, M.
name: Hollerbach, R.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: The linear stability of MHD Taylor-Couette flows in axially unbounded cylinders is considered, for magnetic Prandtl number unity. Magnetic fields varying from purely axial to purely azimuthal are imposed, with a general helical field parameterized by β=B_ϕ/B_z. We map out the transition from the standard MRI for β=0 to the nonaxisymmetric Azimuthal MagnetoRotational Instability (AMRI) for β\to \infty. For finite β, positive and negative wave numbers m, corresponding to right and left spirals, are no longer identical. The transition from β=0 to β\to\infty includes all the possible forms of MRI with axisymmetric and nonaxisymmetric modes. For the nonaxisymmetric modes, the most unstable mode spirals in the opposite direction to the background field. The standard (β=0) MRI is axisymmetric for weak fields (including the instability with the lowest Reynolds number) but is nonaxisymmetric for stronger fields. If the azimuthal field is due in part to an axial current flowing through the fluid itself (and not just along the central axis), then it is also unstable to the nonaxisymmetric Tayler instability, which is most effective without rotation. For large βthis instability has wavenumber m=1, whereas for β\simeq 1 m=2 is most unstable. The most unstable mode spirals in the same direction as the background field.
description: 9 pages, 11 figures