cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Numerical finite-key analysis of quantum key distribution
Creators: name: Bunandar, Darius
name: Govia, Luke C. G.
name: Krovi, Hari
name: Englund, Dirk R.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Quantum key distribution (QKD) allows for secure communications safe against attacks by quantum computers. QKD protocols are performed by sending a sizeable, but finite, number of quantum signals between the distant parties involved. Many QKD experiments however predict their achievable key rates using asymptotic formulas, which assume the transmission of an infinite number of signals, partly because QKD proofs with finite transmissions (and finite key lengths) can be difficult. Here we develop a robust numerical approach for calculating the key rates for QKD protocols in the finite-key regime in terms of two novel semi-definite programs (SDPs). The first uses the relation between smooth min-entropy and quantum relative entropy, and the second uses the relation between the smooth min-entropy and quantum fidelity. We then solve these SDPs using convex optimization solvers and obtain some of the first numerical calculations of finite key rates for several different protocols, such as BB84, B92, and twin-field QKD. Our numerical approach democratizes the composable security proofs for QKD protocols where the derived keys can be used as an input to another cryptosystem.
Supplementary Material for Pfizer’s Nirmatrelvir; Ritonavir Pipeline
Creators: name: Fadel, Suki
Publisher: name: Pfizer
Year: 2025
Subjects: classificationCode: 329999
subject: Other biomedical and clinical sciences not elsewhere classified

description: Congress materials may include information for investigational products or for which the product is not approved and/or inconsistent with the product uses described in the Prescribing Information. Regulatory approval of investigational products or uses is dependent on the completion of the study programs and review by regulatory authorities. Pfizer does not suggest or recommend the use of Pfizer Products in any manner other than as described in the Prescribing Information. The clinical trial information is available at www.clinicaltrials.gov. This information is current as of February 2025.
On Gauss-Bonnet black hole entropy
Creators: name: Clunan, Tim
name: Ross, Simon F.
name: Smith, Douglas J.
Publisher: name: arXiv
Year: 2004
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We investigate the entropy of black holes in Gauss-Bonnet and Lovelock gravity using the Noether charge approach, in which the entropy is given as the integral of a suitable (n-2) form charge over the event horizon. We compare the results to those obtained in other approaches. We also comment on the appearance of negative entropies in some cases, and show that there is an additive ambiguity in the definition of the entropy which can be appropriately chosen to avoid this problem.
description: 14 pages, no figures. v2: references added; v3,v4: more references added
Einselection from incompatible decoherence channels
Creators: name: Feller, Alexandre
name: Cauquil, Guillaume Coeuret
name: Roussel, Benjamin
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Decoherence of quantum systems from entanglement with an unmonitored environment is to date the most compelling explanation of the emergence of a classical picture from a quantum world. While it is well understood for a single Lindblad operator, the role in the einselection process of a complex system-environment interaction remains to be clarified. In this paper, we analyze an open quantum dynamics inspired by CQED experiments with two non-commuting Lindblad operators modeling decoherence in the number basis and dissipative decoherence in the coherent state basis. We study and solve exactly the problem using quantum trajectories and phase-space techniques. The einselection optimization problem, which we consider to be about finding states minimizing the variation of some entanglement witness at a given energy, is studied numerically. We show that Fock states remain the most robust states to decoherence up to a critical coupling.
description: 16 pages, 12 figures
Do Rotations Beyond the Cosmological Horizon Affect the Local Inertial Frame?
Creators: name: Bicak, Jiri
name: Lynden-Bell, Donald
name: Katz, Joseph
Publisher: name: arXiv
Year: 2003
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: If perturbations beyond the horizon have the velocities prescribed everywhere then the dragging of inertial frames near the origin is suppressed by an exponential factor. However if perturbations are prescribed in terms of their angular momenta there is no such suppression. We resolve this paradox and in doing so give new explicit results on the dragging of inertial frames in closed, flat and open universe with and without a cosmological constant.
description: 12 pages
Reconstructions of Neotropical Hydroclimate: A Compound-Specific Deuterium Isotope Approach.
Creators: name: Tyrrell, Genevieve
Publisher: name: University of Leicester
Year: 2020
Subjects: Uncategorized

description: The hydrogen isotope composition of leaf wax (δDwax) has been found to successfully record the isotopic composition of precipitation (δDp) and as a result has been used extensively in palaeohydrological research. Although widely applied across the globe, δDwax records remain scarce within the tropics, most specifically in northern South America. To resolve this gap in the literature, the δDwax values of three sediment cores obtained from Colombia – two from the Amazon Basin and the third from the high-altitude Páramo ecosystem of the Andes - were analysed to reconstruct past rainfall in northern South America. In the Amazonian sites, microbial degradation limited the extent of palaeohydrological data obtained from the cores, providing a precipitation record for the past ~2000 years. The records showed increased precipitation during the Little Ice Age and Medieval Climate Anomaly, contradicting other northern South American records. In contrast, the high-Andean δDwax record spanned ~85,000 years. δDwax values decrease by ~4‰ during the Last Glacial Maximum suggesting the rainfall slightly increased during this time. Additionally, δDwax during the Younger Dryas increased suggesting a slight reduction in precipitation. δDwax values indicate the climate became progressively drier throughout the early-to-mid-Holocene, with the highest δDwax occurring at 4200 cal yr BP (the 4.2 event). This was then followed by a dramatic reduction in δDwax into the Late Holocene, before increasing again into the youngest 2000 cal yr BP of the record. Interestingly, higher precipitation, inferred through a decrease in δDwax, coincides with a southward displacement of the ITCZ during the LGM and the LIA. The records suggest that, in northern South America, ITCZ movements may not be the sole cause of changes in precipitation.
Encuesta y clave utilizados en Superación dirigida al Equipo Básico de Salud para la prevención de las hepatitis virales crónicas
Creators: name: Trujillo Pérez, Yon Luis
name: Cabrera Reyes, Lourdes de la Caridad
name: Luaces Grant, Yudit
Publisher: name: Zenodo
Year: 2024

description: Encuesta y clave empleados en el desarrollo de una investigación participativa cuanticualitativa de carácter explicativo causal, mediante la ejecución del proyecto de investigación no asociado a programa Sistema de estrategias para la prevención de las Hepatitis Virales Crónicas desde la Consulta Provincial, ejecutado entre 2017 y 2022. Gestionada en el Centro de Desarrollo de las Ciencias Sociales y Humanísticas en Salud, adscrito a la Universidad de Ciencias Médicas de Camagüey en colaboración con el Hospital Docente Amalia Simoni
Functional determinants by contour integration methods
Creators: name: Kirsten, Klaus
name: McKane, Alan
Publisher: name: arXiv
Year: 2003
Subjects: subject: Mathematical Physics (math-ph)
subject: Statistical Mechanics (cond-mat.stat-mech)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We present a simple and accessible method which uses contour integration methods to derive formulae for functional determinants. To make the presentation as clear as possible, the general idea is first illustrated on the simplest case: a second order differential operator with Dirichlet boundary conditions. The method is applicable to more general situations, and we discuss the way in which the formalism has to be developed to cover these cases. In particular, we also show that simple and elegant formulae exist for the physically important case of determinants where zero modes exist, but have been excluded.
description: 29 pages
Courant sigma model and $L_\infty$-algebras
Creators: name: Grewcoe, Clay James
name: Jonke, Larisa
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences

description: The Courant sigma model is a 3-dimensional topological sigma model of AKSZ type which has been used for the systematic description of closed strings in non-geometric flux backgrounds. In particular, the expression for the fluxes and their Bianchi identities coincide with the local form of the axioms of a Courant algebroid. On the other hand, the axioms of a Courant algebroid also coincide with the conditions for gauge invariance of the Courant sigma model. In this paper we embed this interplay between background fluxes of closed strings, gauge (or more precisely BRST) symmetries of the Courant sigma model and axioms of a Courant algebroid into an $L_\infty$-algebra structure. We show how the complete BV-BRST formulation of the Courant sigma model is described in terms of $L_\infty$-algebras. Moreover, the morphism between the $L_\infty$-algebra for a Courant algebroid and the one for the corresponding sigma model is constructed.
description: 34 pages. v2: typos corrected, published version
Consistency of the Adiabatic Theorem
Creators: name: Sarandy, M. S.
name: Wu, L. -A.
name: Lidar, D. A.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We review the quantum adiabatic approximation for closed systems, and its recently introduced generalization to open systems (M.S. Sarandy and D.A. Lidar, e-print quant-ph/0404147). We also critically examine a recent argument claiming that there is an inconsistency in the adiabatic theorem for closed quantum systems [K.P. Marzlin and B.C. Sanders, Phys. Rev. Lett. 93, 160408 (2004)] and point out how an incorrect manipulation of the adiabatic theorem may lead one to obtain such an inconsistent result.
description: v3: 11 pages, no figures. Published version. This pedagogical work is part comment on, part simplification of the paper "Inconsistency in the application of the adiabatic theorem" by K.-P. Marzlin and B.C. Sanders, Phys. Rev. Lett. 93, 160408 (2004)
Black hole solutions and Euler equation in Rastall and generalized Rastall theories of gravity
Creators: name: Moradpour, H.
name: Heydarzade, Y.
name: Corda, C.
name: Ziaie, A. H.
name: Ghaffari, S.
Publisher: name: arXiv
Year: 2019
Subjects: subject: General Physics (physics.gen-ph)
subject: FOS: Physical sciences

description: Focusing on the special case of generalized Rastall theory, as a subclass of the non-minimal curvature-matter coupling theories in which the field equations are mathematically similar to the Einstein field equations in the presence of cosmological constant, we find two classes of black hole (BH) solutions including $i$) conformally flat solutions and $ii$) non-singular BHs. Accepting the mass function definition and by using the entropy contents of the solutions along with thermodynamic definitions of temperature and pressure, we study the validity of Euler equation on the corresponding horizons. Our results show that the thermodynamic pressure, meeting the Euler equation, is not always equal to the pressure components appeared in the gravitational field equations and satisfies the first law of thermodynamics, a result which in fact depends on the presumed energy definition. The requirements of having solutions with equal thermodynamic and Hawking temperatures are also studied. Additionally, we study the conformally flat BHs in the Rastall framework. The consequences of employing generalized Misner-Sharp mass in studying the validity of the Euler equation are also addressed.
Charge and spin order in one-dimensional electron systems with long-range Coulomb interactions
Creators: name: Valenzuela, B.
name: Fratini, S.
name: Baeriswyl, D.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: We study a system of electrons interacting through long--range Coulomb forces on a one--dimensional lattice, by means of a variational ansatz which is the strong--coupling counterpart of the Gutzwiller wave function. Our aim is to describe the quantum analogue of Hubbard's classical ``generalized Wigner crystal''. We first analyse charge ordering in a system of spinless fermions, with particular attention to the effects of lattice commensurability. We argue that for a general (rational) number of electrons per site $n$ there are three regimes, depending on the relative strength $V$ of the long--range Coulomb interaction (as compared to the hopping amplitude $t$). For very large $V$ the quantum ground state differs little from Hubbard's classical solution, for intermediate to large values of $V$ we recover essentially the Wigner crystal of the continuum model, and for small $V$ the charge modulation amounts to a small--amplitude charge--density wave. We then include the spin degrees of freedom and show that in the Wigner crystal regimes (i.e. for large $V$) they are coupled by an antiferromagnetic kinetic exchange $J$, which turns out to be smaller than the energy scale governing the charge degrees of freedom. Our results shed new light on the insulating phases of organic quasi--1D compounds where the long--range part of the interaction is unscreened, and magnetic and charge orderings coexist at low temperatures.
description: 11 pages, 7 figures, accepted for publication on Phys. Rev. B
The Formation and Evolution of Wide-Orbit Stellar Multiples In Magnetized Clouds
Creators: name: Lee, Aaron T.
name: Offner, Stella S. R.
name: Kratter, Kaitlin M.
name: Smullen, Rachel A.
name: Li, Pak Shing
Publisher: name: arXiv
Year: 2019
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: Stars rarely form in isolation. Nearly half of the stars in the Milky Way have a companion, and this fraction increases in star-forming regions. However, why some dense cores and filaments form bound pairs while others form single stars remains unclear. We present a set of three-dimensional, gravo-magnetohydrodynamic simulations of turbulent star-forming clouds, aimed at understanding the formation and evolution of multiple-star systems formed through large scale (>~$10^3$ AU) turbulent fragmentation. We investigate three global magnetic field strengths, with global mass-to-flux ratios of $μ_ϕ$=2, 8, and 32. The initial separations of protostars in multiples depends on the global magnetic field strength, with stronger magnetic fields (e.g., $μ_ϕ$=2) suppressing fragmentation on smaller scales. The overall multiplicity fraction (MF) is between 0.4-0.6 for our strong and intermediate magnetic field strengths, which is in agreement with observations. The weak field case has a lower fraction. The MF is relatively constant throughout the simulations, even though stellar densities increase as collapse continues. While the MF rarely exceeds 60% in all three simulations, over 80% of all protostars are part of a binary system at some point. We additionally find that the distribution of binary spin mis-alignment angles is consistent with a randomized distribution. In all three simulations, several binaries originate with wide separations and dynamically evolve to
description: Accepted to ApJ. 28 pages, 23 figures, comments from the community welcomed
An Interview with Lee Hamilton
Creators: name: Freshwater, David
name: Freshwater, David
Publisher: name: Unknown
Year: 1994
Subjects: Teaching/Communication/Extension/Profession

description: Lee Hamilton has represented the Ninth District of Indiana for fifteen terms. He is currently chairman of the Foreign Affairs Committee of the House of Representatives and has previously been chairman of the Joint Economic Committee of Congress, the House Intelligence Committee and several other select committees. He is widely recognized for his knowledge of foreign affairs and economic issues. The Ninth District covers almost the entire southeast quarter of Indiana and, as Mr. Hamilton notes, it is the most rural of Indiana's congressional districts. He maintains a longstanding interest in agricultural and rural conditions and policies.
The AI Literacy Framework for Higher Education: A Grounded Theory Exploration of the Foundational, Social, Conceptual, Ethical, and Affective Domains of AI Literacy
Creators: name: Pretorius, Lynette
name: Cahusac de Caux, Basil
Publisher: name: Monash University
Year: 2025
Subjects: classificationCode: 390303
subject: Higher education
classificationCode: 460299
subject: Artificial intelligence not elsewhere classified
classificationCode: 390203
subject: Sociology of education
classificationCode: 500107
subject: Professional ethics
classificationCode: 500306
subject: Ethical theory
classificationCode: 390405
subject: Educational technology and computing
classificationCode: 390307
subject: Teacher education and professional development of educators
classificationCode: 441006
subject: Sociological methodology and research methods
classificationCode: 500103
subject: Ethical use of new technology
classificationCode: 441007
subject: Sociology and social studies of science and technology
classificationCode: 460806
subject: Human-computer interaction
classificationCode: 390305
subject: Professional education and training
classificationCode: 460907
subject: Information systems for sustainable development and the public good

description: This chapter investigates the experiences of two higher education lecturers as they adapted to the emergence of generative artificial intelligence (AI) over the past two years. To explore their experiences, the authors employed a grounded theory approach combined with collaborative autoethnography. This methodology allowed for an in-depth analysis of their journeys with AI. The findings revealed a significant transformation in the lecturers’ engagement with AI. Initially, the lecturers engaged with AI in a limited capacity, gradually discovering its potential to enhance their teaching practices at both undergraduate and postgraduate levels. Their journey led them to become advocates for AI literacy, integrating it into both their teaching and research. This integration spanned various levels of higher education, demonstrating AI’s versatility and effectiveness in diverse educational contexts. Through their evolving engagement with AI, the lecturers identified five key domains essential for AI literacy in higher education. The chapter concludes by proposing the AI literacy framework for higher education, encompassing the foundational, social, conceptual, ethical, and affective domains. This framework aims to prepare educators and students to navigate the evolving landscape of AI with confidence and responsibility.

This is the accepted version of the chapter that is published in the book Reimagining Literacy in the Age of AITheory and Practice
Effective temperature in nonequilibrium steady states of Langevin systems with a tilted periodic potential
Creators: name: Hayashi, Kumiko
name: Sasa, Shin-ichi
Publisher: name: arXiv
Year: 2003
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: We theoretically study Langevin systems with a tilted periodic potential. It has been known that the ratio $Θ$ of the diffusion constant to the differential mobility is not equal to the temperature of the environment (multiplied by the Boltzmann constant), except in the linear response regime, where the fluctuation dissipation theorem holds. In order to elucidate the physical meaning of $Θ$ far from equilibrium, we analyze a modulated system with a slowly varying potential. We derive a large scale description of the probability density for the modulated system by use of a perturbation method. The expressions we obtain show that $Θ$ plays the role of the temperature in the large scale description of the system and that $Θ$ can be determined directly in experiments, without measurements of the diffusion constant and the differential mobility.
Deformability of soft water saturated clay reinforced by vertical elements
Creators: name: Nurmukhametov, Renat
Publisher: name: figshare
Year: 2020
Subjects: subject: 90501 Civil Geotechnical Engineering
subject: FOS: Civil engineering

description: Current research provides theoretical equations. Theory is developed based on assumption of soil’s and reinforcement conjunction deformability. Equations for reinforcement and soil’s body stress calculations are made based on sequence of processes at soft clays those appear after load application including consolidation, rheology. Proposed equations allow predicting foundation settlements’ figures depending on time for the cases when bedding consists from soft water saturated clayey soils reinforced with vertical elements.
On the rigidity for conformally compact Einstein manifolds
Creators: name: Qing, Jie
Publisher: name: arXiv
Year: 2003
Subjects: subject: Differential Geometry (math.DG)
subject: Mathematical Physics (math-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: 53C25, 53C80, 58J60

description: In this paper we prove that a conformally compact Einstein manifold with the round sphere as its conformal infinity has to be the hyperbolic space. We do not assume the manifolds to be spin, but our approach relies on the positive mass theorem for asymptotic flat manifolds. The proof is based on understanding of positive eigenfunctions and compactifications obtained by positive eigenfunctions.
description: 13 pages
Iris pontica Zapalowicz 1906
Creators: name: Zhygalova, Svitlana L.
name: Olshanskyi, Igor G.
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Mantodea
Tarachodidae
Iris
Iris pontica

description: Iris pontica Zapałowicz (1906: 191.)
Type citation: “in Delakeu ad Tyram (Dniestr), in districtu Bender Bessarabiae”. Consp. fl. galic. crit. 1: 191.
 Lectotype: (designated here): Delaken nad Dniestrem pow. Benderski. Bessarabia, 29 Apr 1898, J. Paczoski s.n. (KRAM!, 070975). Note: Zapalowicz reported the specimen was gathered on 11 May 1898 whereas the specimen we cited was obtained on 29 Apr 1898. The original holotype (the 11 May 1898 specimen) has not been found and we are designating another sheet from the extant original material.
 Gladiolus imbricatus Linnaeus f. robustus Zapałowicz (1906: 193.)
Type citation: “Czorsztyn (Gustawicz), Sandomierska Puszcza (Jachno), Hurko pod Przemyślem (Kotula), Janów pod Lwowem (Król), Dźwiniacz koło Sołotwiny w Stanisławowskiem (Rehman)”. Consp. fl. galic. crit. 1: 193.
 Lectotype (designated here): Hurko, 28 Jun –16 Jul 1876, B. Kotula (KRAM! 075713).
 Paratypes: Czorsztyn, Jul 1880, B. Gustawicz (KRAM! 075738); Janów, 19–22 Jul 1874, Z. Król (KRAM! 0755701); Dźwiniacz, sine data, A. Rehman (KRAM! 075767a).
description: Published as part of Zhygalova, Svitlana L. & Olshanskyi, Igor G., 2014, Hugo Zapałowicz's species of Iris and Gladiolus (Iridaceae): Typification of his names, pp. 59-60 in Phytotaxa 163 (1) on page 59, DOI: 10.11646/phytotaxa.163.1.8, http://zenodo.org/record/5132249
Italian pre-trained models for the STEPS dependency parser
Creators: name: Grünewald, Stefan
name: Friedrich, Annemarie
name: Kuhn, Jonas
Publisher: name: Zenodo
Year: 2021
Subjects: dependency parsing
syntactic parsing
NLP
natural language processing

description: Pre-trained models to parse Italian text using the STEPS dependency parser (https://github.com/boschresearch/steps-parser).
description: {"references": ["Gr\u00fcnewald et al. (2021). https://arxiv.org/abs/2010.12699"]}
Pairing transition of nuclei at finite temperature
Creators: name: Kaneko, K.
name: Hasegawa, M.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Pairing transition at finite temperature was investigated by the shell model and BCS calculations. The definitive signature of pairing transition is identified by a "transition temperature" $T_t$ estimated from a "thermal" odd-even mass difference, while there is no sharp phase transition because of the finiteness of nucleus. It is found that $T_t$ is in good agreement with predictions of critical temperature $T_c$ in the BCS approximation, and the pairing correlations almost vanish at two points of the transition temperature $T\approx 2T_{t}$. The BCS calculations show that the critical temperature $T_c$ increases with increasing deformation.
description: 12 pages, 6 figures, accepted for publication in Nuclear Physics A
UK threshold standards in an Egyptian TNE context: An exploration of different understandings, mediation and safeguarding processes
Creators: name: Millam, Kevin John
Publisher: name: University of Leicester
Year: 2020
Subjects: Uncategorized

description: This study explores how United Kingdom (UK) threshold standards are understood, mediated and safeguarded in an Egyptian Transnational Education (TNE) context. The professional challenge this thesis addresses is the requirement for Higher Education (HE) leaders and practitioners to understand the principles and values that inform UK threshold standards and to enable their appropriate mediation and safeguarding in an Egyptian TNE context with its own threshold standards. It seeks to understand how the situated context, and the lived experience of educational practitioners and leaders, impact UK threshold standards. This research was conducted as a case study of UK TNE provision be-tween a UK Higher Education Institute (HEI) and a private HEI located in Egypt. Data were collected using a semi-structured interview tool to interview thirty-two practitioners and leaders from the Egyptian and UK HEIs. Data were analysed using coding to identify relevant themes from the data and their interrelation-ship. Analysis of the data revealed the TNE context results in significant complexity to how UK threshold standards are understood, mediated and safeguarded. First, the movement of threshold standards from a UK context to a new national context requires significant additional work by practitioners and leaders to understand and align different national requirement. Second, UK threshold standards are primarily understood through a safeguarding prism which seeks to articulate learning outcomes and measure their achievement through assessment processes. This constrains development of learning, teaching and assessment. Finally, the understanding of UK threshold standards requires significant ongoing staff development processes, with appropriate resourcing levels, to embed and develop understandings through time.
Lack of Debye and Meissner screening in strongly magnetized quark matter at intermediate densities
Creators: name: Feng, Bo
name: Ferrer, Efrain J.
name: Portillo, Israel
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: We study the static responses of cold quark matter in the intermediate baryonic density region (characterized by a chemical potential $μ$) in the presence of a strong magnetic field. We consider in particular, the so-called Magnetic Dual Chiral Density Wave (MDCDW) phase, which is materialized by an inhomogeneous condensate formed by a particle-hole pair. It is shown, that the MDCDW phase is more stable in the weak-coupling regime than the one considered in the magnetic catalysis of chiral symmetry braking phenomenon (MC$χ$SB) and even than the chiral symmetric phase that was expected to be realized at sufficiently high baryonic chemical potential. The different components of the photon polarization operator of the MDCDW phase in the one-loop approximation are calculated. We found that in the MDCDW phase there is no Debye screening neither Meissner effect in the lowest-Landau-level approximation. The obtained Debye length depends on the amplitude $m$ and modulation $b$ of the inhomogeneous condensate and it is only different from zero if the relation $| μ-b| > m$ holds. But, we found that in the region of interest this inequality is not satisfied. Thus, no Debye screening takes place under those conditions. On the other hand, since the particle-hole condensate is electrically neutral, the U(1) electromagnetic group is not broken by the ground state and consequently there is no Meissner effect. These results can be of interest for the astrophysics of neutron stars.
description: 18 pages, 5 figures
Tectarioideae sensu Christenhusz & Chase 2014
Creators: name: Wang, Fa-Guo
name: Barratt, Sam
name: Falcón, Wilfredo
name: Fay, Michael F.
name: Lehtonen, Samuli
name: Tuomisto, Hanna
name: Xing, Fu-Wu
name: Christenhusz, Maarten J. M.
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Polypodiopsida
Polypodiales
Tectariaceae

description: Monophyly of Tectarioideae   Our results are in line with the suggestion that Tectarioideae sensu Holttum (1947) are polyphyletic. The placement of Cyclopeltis in subfamily Lomariopsidoideae (Smith et al. 2006, Schuettpelz & Pryer 2007) is supported by our analyses, as is the inclusion of Dryopsis and Ctenitis in Dryopteridoideae (Li & Lu 2006, Liu et al. 2007). Indeed, Dryopsis has already been merged with Dryopteris (Zhang 2012), although this may cause Dryopteris not to be monophyletic (Christenhusz & Chase 2014). Ctenitis (including Ataxipteris) forms a lineage with Pseudotectaria and both are deeply embedded in Dryopteridoideae, even though these three genera share morphological characteristics with Tectarioideae and were associated with it previously. Pleocnemia, which was placed in Tectariaceae by Smith et al. (2006) and Christenhusz et al. (2011), is here shown to belong to Dryopteridoideae, agreeing with other recent studies (e.g. Liu et al. 2014). With the exclusion of these genera, Tectarioideae are monophyletic and are composed of Arthropteris, Pteridrys, Triplophyllum, Hypoderris and Tectaria. We were not able to sample Aenigmopteris, so its placement remains uncertain.
description: Published as part of Wang, Fa-Guo, Barratt, Sam, Falcón, Wilfredo, Fay, Michael F., Lehtonen, Samuli, Tuomisto, Hanna, Xing, Fu-Wu & Christenhusz, Maarten J. M., 2014, On the monophyly of subfamily Tectarioideae (Polypodiaceae) and the phylogenetic placement of some associated fern genera, pp. 1-16 in Phytotaxa 164 (1) on page 8, DOI: 10.11646/phytotaxa.164.1.1, http://zenodo.org/record/5132509
A calculation of the QCD phase diagram at finite temperature, and baryon and isospin chemical potentials
Creators: name: Barducci, A.
name: Casalbuoni, R.
name: Pettini, G.
name: Ravagli, L.
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We study the phases of a two-flavor Nambu-Jona-Lasinio model at finite temperature $T$, baryon and isospin chemical potentials: $μ_{B}=(μ_{u}+μ_{d})/2$, $μ_{I}=(μ_{u}-μ_{d})/2$. This study completes a previous analysis where only small isospin chemical potentials $μ_{I}$ were considered
description: 21 pages, 13 figures included, two more refernces added
The AI Literacy Framework for Higher Education: A Grounded Theory Exploration of the Foundational, Social, Conceptual, Ethical, and Affective Domains of AI Literacy
Creators: name: Pretorius, Lynette
name: Cahusac de Caux, Basil
Publisher: name: Monash University
Year: 2024
Subjects: classificationCode: 390303
subject: Higher education
classificationCode: 460299
subject: Artificial intelligence not elsewhere classified
classificationCode: 390203
subject: Sociology of education
classificationCode: 500107
subject: Professional ethics
classificationCode: 500306
subject: Ethical theory
classificationCode: 390405
subject: Educational technology and computing
classificationCode: 390307
subject: Teacher education and professional development of educators
classificationCode: 441006
subject: Sociological methodology and research methods
classificationCode: 500103
subject: Ethical use of new technology
classificationCode: 441007
subject: Sociology and social studies of science and technology
classificationCode: 460806
subject: Human-computer interaction
classificationCode: 390305
subject: Professional education and training
classificationCode: 460907
subject: Information systems for sustainable development and the public good

description: The paper investigates the experiences of two higher education lecturers as they adapted to the emergence of generative artificial intelligence (AI) over the past two years. To explore their experiences, the authors employed a grounded theory approach combined with collaborative autoethnography. This methodology allowed for an in-depth analysis of their personal journeys with AI. The findings revealed a significant transformation in the lecturers’ engagement with AI. Initially, the lecturers engaged with AI in a limited capacity, gradually discovering its potential to enhance their teaching practices at both undergraduate and postgraduate levels. Their journey led them to become advocates for AI literacy, integrating it into both their teaching and research. This integration spanned various levels of higher education, demonstrating AI’s versatility and effectiveness in diverse educational contexts. Through their evolving engagement with AI, the lecturers identified five key domains essential for AI literacy in higher education. The paper concludes by proposing the AI literacy framework for higher education, encompassing the foundational, social, conceptual, ethical, and affective domains. This framework aims to prepare educators and students to navigate the evolving landscape of AI with confidence and responsibility.
Supplementary Material for Pfizer’s Nirmatrelvir Ritonavir Pipeline
Creators: name: Fadel, Suki
Publisher: name: Pfizer
Year: 2025
Subjects: classificationCode: 329999
subject: Other biomedical and clinical sciences not elsewhere classified

description: Congress materials may include information for investigational products or for which the product is not approved and/or inconsistent with the product uses described in the Prescribing Information. Regulatory approval of investigational products or uses is dependent on the completion of the study programs and review by regulatory authorities. Pfizer does not suggest or recommend the use of Pfizer Products in any manner other than as described in the Prescribing Information. The clinical trial information is available at www.clinicaltrials.gov. This information is current as of February 2025.
X-ray and gamma-ray orbital variability from the gamma-ray binary HESS J1832-093
Creators: name: Martí-Devesa, G.
name: Reimer, O.
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Context. Gamma-ray binaries are systems composed of a massive star and a compact object whose interaction leads to particle acceleration up to relativistic energies. In the last fifteen years, a few binaries have been discovered to emit at high energies, but their number is still scarce. The TeV source HESS J1832-093 has been proposed as a binary candidate, although its nature is unclear. Neither a GeV counterpart nor a period was found for it. Aims. The purpose of this work is to search for a gamma-ray source at GeV energies to understand the origin of the TeV signal. For an unambiguous identification of its binary nature, finding an orbital modulation is crucial. Methods. We have analysed data spanning more than 10 years from the Fermi Large Area Telescope (Fermi-LAT), together with Swift archival observations taken between 2015 and 2018, using both the X-Ray Telescope (XRT) and UltraViolet and Optical Telescope (UVOT). We searched for periodicities in both X-ray and gamma-ray bands using a Lomb-Scargle periodogram. Results. We find a periodic modulation of \sim 86 days in the X-ray source XMMU J183245-0921539, together with indications of gamma-ray modulation with a compatible period in 4FGL J1832.9-0913. Neither an optical nor an UV counterpart is found at the X-ray source location. The overall spectral energy distribution strongly resembles the known gamma-ray binary HESS J0632+057. Conclusions. Both the spectrum and the discovery of an orbital period allow the identification of the TeV source HESS J1832-093 as a new member of the gamma-ray binary class.
description: 9 pages, 9 figures. Accepted by A&A
Negative differential conductance induced by spin-charge separation
Creators: name: Cavaliere, F.
name: Braggio, A.
name: Stockburger, J. T.
name: Sassetti, M.
name: Kramer, B.
Publisher: name: arXiv
Year: 2003
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Spin-charge states of correlated electrons in a one-dimensional quantum dot attached to interacting leads are studied in the non-linear transport regime. With non-symmetric tunnel barriers, regions of negative differential conductance induced by spin-charge separation are found. They are due to a correlation-induced trapping of higher-spin states without magnetic field, and associated with a strong increase in the fluctuations of the electron spin.
description: REVTEX, 4 pages including 3 figures; Accepted for publication on Physical Review Letters
Experimental studies of equilibrium vortex properties in a Bose-condensed gas
Creators: name: Coddington, I.
name: Haljan, P. C.
name: Engels, P.
name: Schweikhard, V.
name: Tung, S.
name: Cornell, E. A.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Soft Condensed Matter (cond-mat.soft)
subject: FOS: Physical sciences

description: We characterize several equilibrium vortex effects in a rotating Bose-Einstein condensate. Specifically we attempt precision measurements of vortex lattice spacing and the vortex core size over a range of condensate densities and rotation rates. These measurements are supplemented by numerical simulations, and both experimental and numerical data are compared to theory predictions of Sheehy and Radzihovsky [17] (cond-mat/0402637) and Baym and Pethick [25] (cond-mat/0308325). Finally, we study the effect of the centrifugal weakening of the trapping spring constants on the critical temperature for quantum degeneracy and the effects of finite temperature on vortex contrast.
description: Fixed minor notational inconsistencies in figures. 12 pages, 8 figures
DTA/29-2019 The Arctic as seen from Ny-Ålesund: research results, new proposals and overviews - Rome 18th and 19th March 2019
Creators: name: CNR DTA-Dipartimento Terra E Ambiente
Publisher: name: figshare
Year: 2020
Subjects: subject: 40101 Atmospheric Aerosols
subject: FOS: Earth and related environmental sciences
subject: Atmospheric Sciences
subject: 40501 Biological Oceanography
subject: 40502 Chemical Oceanography
subject: Climate Science
subject: 40104 Climate Change Processes
subject: 40105 Climatology (excl. Climate Change Processes)
subject: Ecology
subject: FOS: Biological sciences
subject: Environmental Science
subject: 40602 Glaciology
subject: Hydrology
subject: Oceanography
subject: 40605 Palaeoclimatology

description: ABSTRACTSThe workshop aims to highlight the state of the art of italian research activities at the CNR Arctic Station Dirigibile Italia Ny-Ålesund – Svalbard and to define common strategies to strengthen the synergy between the different groups in relation to the new scientific emerging challenges
Minimum entropy stochastic block models neglect edge distribution heterogeneity
Creators: name: Duvivier, Louis
name: Cazabet, Rémy
name: Robardet, Céline
Publisher: name: arXiv
Year: 2019
Subjects: subject: Social and Information Networks (cs.SI)
subject: Discrete Mathematics (cs.DM)
subject: Combinatorics (math.CO)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics

description: The statistical inference of stochastic block models as emerged as a mathematicaly principled method for identifying communities inside networks. Its objective is to find the node partition and the block-to-block adjacency matrix of maximum likelihood i.e. the one which has most probably generated the observed network. In practice, in the so-called microcanonical ensemble, it is frequently assumed that when comparing two models which have the same number and sizes of communities, the best one is the one of minimum entropy i.e. the one which can generate the less different networks. In this paper, we show that there are situations in which the minimum entropy model does not identify the most significant communities in terms of edge distribution, even though it generates the observed graph with a higher probability.
The Weird Mistake in Planck's Law
Creators: name: MARC
Publisher: name: Zenodo
Year: 2023

description: By examining Planck's equation E=hν, one finds an analogy with accounting billing for electricity. Frequency and power have a physical dimension T-1, so one obtains an energy value accounted for over a time interval by multiplying them by this time interval. By investigating this analogy, one finds a surprising mistake in Planck's law for the frequency of black body radiation: confusion between two contexts, one for radiation power and one for a timeless energy density. One goes from one to the other by an accounting-type transformation: a multiplication by 4π/c or c/4π. Correcting this mistake makes a Planck constant h timeless, invalidating the photon definition and de Broglie’s wave-particle duality. Despite this mistake, one obtains the same value for the black body radiation; it goes unnoticed.

Consequently, the Planck relation becomes P=hν, with the energy of a cycle equal to h, whatever the frequency. One can consider this cycle as a new photon, which behaves like a particle by its radiation pressure. Its energy-mass equivalence h=mɣc2 gives a mass of 4.134883524·10-15 eV, in the range referenced by the Particle Data Group. This correction of Planck's relation calls quantum physics into question.
Analysis of Data Clusters Obtained by Self-Organizing Methods
Creators: name: Gafiychuk, V. V.
name: Datsko, B. Yo.
name: Izmaylova, J.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Adaptation and Self-Organizing Systems (nlin.AO)
subject: Statistical Finance (q-fin.ST)
subject: FOS: Physical sciences
subject: FOS: Economics and business

description: The self-organizing methods were used for the investigation of financial market. As an example we consider data time-series of Dow Jones index for the years 2002-2003 (R. Mantegna, cond-mat/9802256). In order to reveal new structures in stock market behavior of the companies drawing up Dow Jones index we apply SOM (Self-Organizing Maps) and GMDH (Group Method of Data Handling) algorithms. Using SOM techniques we obtain SOM-maps that establish a new relationship in market structure. Analysis of the obtained clusters was made by GMDH.
description: 10 pages, 4 figures
A Catalog of AGN Host Galaxies Observed with HST/ACS: Correlations between Star Formation and AGN Activity
Creators: name: Stemo, Aaron
name: Comerford, Julia M.
name: Barrows, R. Scott
name: Stern, Daniel
name: Assef, Roberto J.
name: Griffith, Roger L.
Publisher: name: arXiv
Year: 2019
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We present the Advanced Camera for Surveys Active Galactic Nuclei (ACS-AGN) Catalog, a catalog of 2585 active galactic nucleus (AGN) host galaxies that are at redshifts 0.2
description: 20 pages, 8 figures, accepted for publication in ApJ
README FILE
Creators: name: Pirani, Monica
Publisher: name: figshare
Year: 2020
Subjects: subject: 10401 Applied Statistics
subject: FOS: Mathematics

description: README file associated with the paper: Pirani M, Mason AJ, Hansell A, Richardson S, Blangiardo M. (2020). A flexible hierarchical framework for improving inference in area-referenced environmental health studies. Biometrical Journal, doi: 10.1002/bimj.201900241
Clumpy AGN outflows due to thermal instability
Creators: name: Dannen, Randall
name: Proga, Daniel
name: Waters, Tim
name: Dyda, Sergei
Publisher: name: arXiv
Year: 2020
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: One of the main mechanisms that could drive mass outflows on parsec scales in AGN is thermal driving. The same X-rays that ionize and heat the plasma are also expected to make it thermally unstable. Indeed, it has been proposed that the observed clumpiness in AGN winds is caused by thermal instability (TI). While many studies employing time-dependent numerical simulations of AGN outflows have included the necessary physics for TI, none have so far managed to produce clumpiness. Here we present the first such clumpy wind simulations in 1-D and 2-D, obtained by simulating parsec scale outflows irradiated by an AGN. By combining an analysis of our extensive parameter survey with physical arguments, we show that the lack of clumps in previous numerical models can be attributed to the following three effects: (i) insufficient radiative heating or other physical processes that prevent the outflowing gas from entering the TI zone; (ii) the stabilizing effect of stretching (due to rapid radial acceleration) in cases where the gas enters the TI zone; and (iii) a flow speed effect: in circumstances where stretching is inefficient, the flow can still be so fast that it passes through the TI zone too quickly for perturbations to grow. Besides these considerations, we also find that a necessary condition to trigger TI in an outflow is for the pressure ionization parameter to decrease along a streamline once gas enters a TI zone.
description: 8 pages, 4 figures, 1 table, movies and additional information available on our project webpage: http://www.physics.unlv.edu/astro/clumpywindsims.html