cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Chern--Simons theory, surface separability, and volumes of 3-manifolds
Creators: name: Derbez, Pierre
name: Liu, Yi
name: Wang, Shicheng
Publisher: name: arXiv
Year: 2014
Subjects: subject: Geometric Topology (math.GT)
subject: Differential Geometry (math.DG)
subject: FOS: Mathematics

description: We study the set ${\rm vol}\left(M,G\right)$ of volumes of all representations $ρ\coπ_1M\to G$, where $M$ is a closed oriented $3$-manifold and $G$ is either ${\rm Iso}_+{\Hi}^3$ or ${\rm Iso}_e\t{\rm SL_2(\R)}$. By various methods, including relations between the volume of representations and the Chern--Simons invariants of flat connections, and recent results of surfaces in 3-manifolds, we prove that any 3-manifold $M$ with positive Gromov simplicial volume has a finite cover $\t M$ with ${\rm vol}(\t M,{\rm Iso}_+{\Hi}^3)\ne \{0\}$, and that any non-geometric 3-manifold $M$ containing at least one Seifert piece has a finite cover $\t M$ with ${\rm vol}(\t M,{\rm Iso}_e\t{\rm SL_2(\R)}) \ne \{0\}$. We also find 3-manifolds $M$ with positive simplicial volume but ${\rm vol}(M,{\rm Iso}_+{\Hi}^3)=\{0\}$, and non-trivial graph manifolds $M$ with ${\rm vol}(M,{\rm Iso}_e\t{\rm SL_2(\R)})=\{0\}$, proving that it is in general necessary to pass to some finite covering to guarantee that ${\rm vol}(M,G)\not=\{0\}$. Besides we determine ${\rm vol}\left(M, G \right)$ when $M$ supports the Seifert geometry.
description: 43 pages. arXiv admin note: substantial text overlap with arXiv:1111.6153
On the LFs of Attitude Reports
Creators: name: Percus, Orin
name: Sauerland, Uli
Publisher: name: Proceedings of Sinn und Bedeutung
Year: 2019

description: We argue that attitude reports with embedded pronouns have LFs that specifically describe “de se” attitudes. We offer some proposals for what the LFs of attitude reports look like.
description: Proceedings of Sinn und Bedeutung, Vol 7 (2003): Proceedings of Sinn und Bedeutung 7
Strain induced effects on the electronic and phononic properties of 2H and 1T$^{\prime}$ monolayer MoS$_{2}$
Creators: name: Chaudhuri, Saumen
name: Das, A. K.
name: Das, G. P.
name: Dev, B. N.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: First-principles calculations, within the framework of density functional theory, have been performed on the well-studied 2H and the less explored 1T$^{\prime}$ phase of single-layer MoS$_{2}$. We have addressed the strain-induced tunability of the electronic and phononic properties of both phases, and compared their stability against the applied strain. By considering a large number of strain profiles for both tensile and compressive stress, we have found that the electronic properties of both 2H and 1T$^{\prime}$ phases are sensitive to the direction of the applied strain and can be tuned in a controlled way. For the 2H phase, in most cases, a direct to indirect band gap transition at lower strain and a semiconductor to metal transition at higher strain is observed. The applied strain destroys the semimetallic nature of the 1T$^{\prime}$ phase via the overlapping of the bulk states with the topologically protected edge states. Significant strain-induced changes in the phononic properties, in the frequency of the phonon branches, as well as in the nature of the dispersion curves, are observed. A systematic change in the frequency of the optical phonon modes at the zone centre is seen for both phases. With increasing strain, the out-of-plane acoustic mode (ZA) turns imaginary, indicating a possibility of phase transition or instability of the crystal structure. The 2H phase appears to withstand a larger amount of strain and therefore possesses better stability compared to the 1T$^{\prime}$ phase since the imaginary branch starts to appear at much lower values of strain in the latter case. We highlight the significance of strain engineering in tuning the electronic and phononic properties and the safe limit of the strain application in different polymorphs of single-layer MoS$_{2}$.
description: 11 pages, 8 captioned figures
Spatially Resolved Velocity Maps of Halo Gas Around Two Intermediate-redshift Galaxies
Creators: name: Chen, Hsiao-Wen
name: Gauthier, Jean-Rene
name: Sharon, Keren
name: Johnson, Sean D.
name: Nair, Preethi
name: Liang, Cameron J.
Publisher: name: arXiv
Year: 2013
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: Absorption-line spectroscopy of multiply-lensed QSOs near a known foreground galaxy provides a unique opportunity to go beyond the traditional one-dimensional application of QSO probes and establish a crude three-dimensional (3D) map of halo gas around the galaxy that records the line-of-sight velocity field at different locations in the gaseous halo. Two intermediate-redshift galaxies are targeted in the field around the quadruply-lensed QSO HE0435-1223 at redshift z=1.689, and absorption spectroscopy along each of the lensed QSOs is carried out in the vicinities of these galaxies. One galaxy is a typical, star-forming L* galaxy at z=0.4188 and projected distance of rho=50 kpc from the lensing galaxy. The other is a super-L* barred spiral at z=0.7818 and rho=33 kpc. Combining known orientations of the quadruply-lensed QSO to the two foreground galaxies with the observed MgII absorption profiles along individual QSO sightlines has for the first time led to spatially resolved kinematics of tenuous halo gas on scales of 5-10 kpc at z>0.2. A MgII absorber is detected in every sightline observed through the halos of the two galaxies, and the recorded absorber strength is typical of what is seen in previous close QSO--galaxy pair studies. While the multi-sightline study confirms the unity covering fraction of MgII absorbing gas at rho < 50 kpc from star-forming disks, the galaxies also present two contrasting examples of complex halo gas kinematics. Different models, including a rotating disk, collimated outflows, and gaseous streams from either accretion or tidal/ram-pressure stripping, are considered for comparisons with the absorption-line observations, and infalling streams/stripped gas of width >~ 10 kpc are found to best describe the observed gas kinematics across multiple sightlines.
description: 18 pages, 9 figures; accepted for publication in MNRAS
Quantum scale estimation
Creators: name: Rubio, Jesús
Publisher: name: arXiv
Year: 2021
Subjects: subject: Quantum Physics (quant-ph)
subject: Mathematical Physics (math-ph)
subject: Data Analysis, Statistics and Probability (physics.data-an)
subject: FOS: Physical sciences

description: Quantum scale estimation, as introduced and explored here, establishes the most precise framework for the estimation of scale parameters that is allowed by the laws of quantum mechanics. This addresses an important gap in quantum metrology, since current practice focuses almost exclusively on the estimation of phase and location parameters. For given prior probability and quantum state, and using Bayesian principles, a rule to construct the optimal probability-operator measurement is provided. Furthermore, the corresponding minimum mean logarithmic error is identified. This is then generalised as to accommodate the simultaneous estimation of multiple scale parameters, and a procedure to classify practical measurements into optimal, almost-optimal or sub-optimal is highlighted. As a means of illustration, the new framework is exploited to generalise scale-invariant global thermometry, as well as to address the estimation of the lifetime of an atomic state. On a more conceptual note, the optimal strategy is employed to construct an observable for scale parameters, an approach which may serve as a template for a more systematic search of quantum observables. Quantum scale estimation thus opens a new line of enquire - the precise measurement of scale parameters such as temperatures and rates - within the quantum information sciences.
description: 17 pages, 1 figure, 1 table. New example addressing the quantum estimation of the lifetime of an atomic state. Other minor corrections
In the (Indicative or Subjunctive) Mood
Creators: name: Panzeri, Francesca
Publisher: name: Proceedings of Sinn und Bedeutung
Year: 2019

description: The object of this paper is the analysis of the Indicative and Subjunctive morphological mood marking on embedded verbs, in Italian and in other Romance languages. The problem to be accounted for is why some predicates, like Verba dicendi, select for an Indicative mood clause, whereas others, like Modals, require a Subjunctive mood clause; and, moreover, why some governing verbs, like Epistemics, display interlinguistic variation, in that they are followed by a Subjunctive proposition in Italian, and by an Indicative one in French. My proposal is that mood marking on (a verb V in) a sentence φ signals what the relationship is between (the proposition expressed by) φ and the context in which that sentence gets evaluated. In a nutshell, the idea is that if φ displays Indicative mood, then it counts as assertible with respect to its input context; if it shows Subjunctive marking, it is non-assertible in its input context. The notion of (non- )assertibility is a pragmatic notion, and it is defined as the (violation/) satisfaction of the conditions that Stalnaker claimed that a sentence ought to meet in order to count as felicitous (i.e., informative) with respect to a context of conversation. I then review the paradigm of mood selection and show how the association between mood and this assertibility feature can correctly account for it.
description: Proceedings of Sinn und Bedeutung, Vol 7 (2003): Proceedings of Sinn und Bedeutung 7
Characterization of a spatial light modulator as a polarization quantum channel
Creators: name: Lemos, G. Barreto
name: de Almeida, J. O.
name: Walborn, S. P.
name: Ribeiro, P. H. Souto
name: Hor-Meyll, M.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Spatial light modulators are versatile devices employed in a vast range of applications to modify the transverse phase or amplitude profile of an incident light beam. Most experiments are designed to use a specific polarization which renders optimal sensitivity for phase or amplitude modulation. Here we take a different approach and apply the formalism of quantum information to characterize how a phase modulator affects a general polarization state. In this context, the spatial modulators can be exploited as a resource to couple the polarization and the transverse spatial degrees of freedom. Using a quasi-monochromatic single photon beam obtained from a pair of twin photons generated by spontaneous parametric down conversion, we performed quantum process tomography in order to obtain a general analytic model for a quantum channel that describes the action of the device on the polarization qubits. We illustrate the application of these concepts by demonstrating the implementation of a controllable phase flip channel. This scheme can be applied in a straightforward manner to characterize the resulting polarization states of different types of phase or amplitude modulators and motivates the combined use of polarization and spatial degrees of freedom in innovative applications.
description: 7 pages, 7 figures
On the possibility of a 130 GeV gamma-ray line from annihilating singlet fermionic dark matter
Creators: name: Franarin, T. H.
name: Vasconcellos, C. A. Z.
name: Hadjimichef, D.
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: There is evidence for a spectral line at $E_γ\approx 130$ GeV in the Fermi-LAT data that can be explained as dark mater particles annihilating into photons. We review a well known dark matter model that consists in a singlet Dirac fermion and a singlet scalar. The scalar implements spontaneous symmetry breaking in the dark sector, and is responsible for the communication between dark matter and Standard Model particles through a coupling to the Higgs. These interactions are supressed by the mixing between the scalar and the Higgs. Therefore, the singlet fermionic dark matter is naturally a weakly interacting massive particle (WIMP) and can explain the observed relic density. We show that this model cannot produce the signal identified in the Fermi-LAT data. Thus, we propose a modification in the model by introducing a new scalar multiplet that carries electric charge and couples to the singlet scalar. It enhances the annihilation into two photons and succeeds in producing the observed signal. We also discuss the resulting increase of the branching ratio of the $h\rightarrowγγ$ process, which is consistent with measurements from the CMS experiments.
D4.6: Implementation of R9 Sorting Game
Creators: name: Nielsen, Sussane Husted
name: Egenfeldt-Nielsen, Simon
Publisher: name: Zenodo
Year: 2018

description: This delivery contains the following:

	A published version of the game Ways2Sort, available on App Store and Google Play.

	A game manual describing all the features of the game and how to play it. See Annex A

Short introduction to the game

Test your waste sorting knowledge and your ability to learn and remember which waste items belong where. Work on your high score by being faster and more accurate.

Ways2Sort aims to educate children on the importance of waste sorting and how to sort waste correctly. The game incorporates factual waste sorting data and methods from different municipalities, which makes it highly customizable and relevant for each individual municipality.

In the game, different waste items are presented to the player, who has to figure out which waste bin to put the items into. The player is introduced to different sorting types, e.g. residual waste, glass, biowaste etc., and different environments, e.g. kitchen, garden and kid’s room.

Features

	200 different waste items

	6 environments/chapters

	Bonus levels at the end of each chapter with a different game mechanic to shake things up and test the player in new ways

	Encyclopedia with an overview of all the sorting types and which waste items belong where

	Web editor which allows the municipalities who are part of the project to manage the sorting data used in the game

	Currently available in English, Spanish, Basque, Greek, Italian and Portuguese
Noise due to neutral modes in the v=2/3 fractional quantum Hall state
Creators: name: Takei, So
name: Rosenow, Bernd
name: Stern, Ady
Publisher: name: arXiv
Year: 2013
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We theoretically study charge noise generated by excited neutral modes, which impinge on the quantum point contact of a quantum Hall bar with filling fraction v=2/3. The noise is computed for thermally excited neutral modes as well as for biased neutral modes with dipole-fermion excitations. Within the dipole-fermion picture, we show that the noise arising from two colliding modes can be suppressed due to Pauli-blocking and be non-universal due to random edge disorder, but becomes universal upon disorder-averaging. The ratio of noise due to two colliding neutral modes and noise due to only one such mode is smaller for dipole-fermions than for thermal excitations, thus providing evidence for the different quantum statistics of the two types of excitations.
description: 4 pages, 2 figures
Perturbative stability of the approximate Killing field eigenvalue problem
Creators: name: Beetle, Christopher
name: Wilder, Shawn
Publisher: name: arXiv
Year: 2014
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: An approximate Killing field may be defined on a compact, Riemannian geometry by solving an eigenvalue problem for a certain elliptic operator. This paper studies the effect of small perturbations in the Riemannian metric on the resulting vector field. It shows that small metric perturbations, as measured using a Sobolev-type supremum norm on the space of Riemannian geometries on a fixed manifold, yield small perturbations in the approximate Killing field, as measured using a Hilbert-type square integral norm. It also discusses applications to the problem of computing the spin of a generic black hole in general relativity.
description: 15 pages
Trace formulation for photonic inverse design with incoherent sources
Creators: name: Yao, Wenjie
name: Verdugo, Francesc
name: Christiansen, Rasmus E.
name: Johnson, Steven G.
Publisher: name: arXiv
Year: 2021
Subjects: subject: Optics (physics.optics)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: Spatially incoherent light sources, such as spontaneously emitting atoms, naively require Maxwell's equations to be solved many times to obtain the total emission, which becomes computationally intractable in conjunction with large-scale optimization (inverse design). We present a trace formulation of incoherent emission that can be efficiently combined with inverse design, even for topology optimization over thousands of design degrees of freedom. Our formulation includes previous reciprocity-based approaches, limited to a few output channels (e.g. normal emission), as special cases, but generalizes to a continuum of emission directions by exploiting the low-rank structure of emission problems. We present several examples of incoherent-emission topology optimization, including tailoring the geometry of fluorescent particles, a periodically emitting surface, and a structure emitting into a waveguide mode, as well as discussing future applications to problems such as Raman sensing and cathodoluminescence.
description: 29pages, 3 figures
Logarithmic stabilization of the Euler-Bernoulli transmission plate equation with locally distributed Kelvin-Voigt damping
Creators: name: Hassine, Fathi
Publisher: name: arXiv
Year: 2014
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 35A01, 35A02, 35M33, 93D20

description: In this paper we will study the asymptotic behaviour of the energy decay of a transmission plate equation with locally distributed Kelvin-Voigt feedback. Precisly, we shall prove that the energy decay at least logarithmically over the time. The originality of this method comes from the fact that using a Carleman estimate for a transmission second order system which will be derived from the plate equation to establish a resolvent estimate which provide, by the famous Burq's result [Bur98], the kind of decay mentionned above.
description: 16 pages, 1 figure. arXiv admin note: substantial text overlap with arXiv:1301.3536
CP Violation in Dual Dark Matter
Creators: name: Vasconcellos, C. A. Z.
name: Hadjimichef, D.
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: In this paper we study the consequences of extending dual symmetry (DuSy) to include a generic $C_μ$ vector field as a dual partner of the photon $A_μ$. A new combined field, the complex $Z^\prime_μ$, is obtained from $C_μ$ and $A_μ$. The promotion of dual symmetry to a local symmetry for $Z^\prime_μ$ implies in the inclusion of an extra complex vector field $W_μ$ with a complex gauge transformation. A dual dark matter (DM) Lagrangian ${\cal L}_{\rm DDM}$ is obtained from the general DuSy invariant Lagrangian ${\cal L}_{\rm DuSy}$. Our tentative conjecture is to interpret $W_μ$ as the actual weak interaction charged gauge boson $W^{\pm}_μ$, which leads us to speculate about a possible extra CP violation scenarios for future calculations.
Formation of a supergiant quantum vortex in a relativistic Bose-Einstein condensate driven by rotation and a parallel magnetic field
Creators: name: Guo, Tao
name: Li, Jianing
name: Mu, Chengfu
name: He, Lianyi
Publisher: name: arXiv
Year: 2021
Subjects: subject: Nuclear Theory (nucl-th)
subject: Quantum Gases (cond-mat.quant-gas)
subject: Superconductivity (cond-mat.supr-con)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: Analysis based on the energy spectrum of noninteracting bosons shows that, under the circumstance of parallel rotation and magnetic field, charged bosons form a Bose-Einstein condensate because of the lift of the Landau level degeneracy by rotation [\textcolor{blue}{Y. Liu and I. Zahed, Phys. Rev. Lett. {\bf120}, 032001 (2018)}]. In this work, we study the interaction effect on the ground state of this Bose-Einstein condensate of charged bosons from the viewpoint of spontaneous symmetry breaking. We employ a minimal model for charged bosons with repulsive self-interaction. We find that the ground state of such a Bose-Einstein condensate is a supergiant quantum vortex, i.e., a quantized vortex with a large circulation. The size of the vortex is as large as the system size. The low-energy dispersion of the excitation spectra exhibits quadratic behavior, which is an anisotropic realization of the type-II Goldstone boson. Our study may give some implications to off-central relativistic heavy ion collisions, where large vorticity and magnetic fields can be generated.
description: 7 pages, 7 figures, published in PRD
Schizoporella japonica Ortmann 1890
Creators: name: Kakkonen, Jenni E.
name: Worsfold, Tim M.
name: Ashelby, Christopher W.
name: Taylor, Andrea
name: Beaton, Katy
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Animalia
Bryozoa
Gymnolaemata
Cheilostomatida
Schizoporellidae
Schizoporella
Schizoporella japonica

description: (13) Schizoporella japonica Ortmann, 1890
Status in U.K. – non-native.
Schizoporella japonica was first reported in British waters from Holyhead in July 2010 (Ryland et al. 2014) but Loxton et al. (2017) found an archived sample from Plymouth that backdated the introduction to at least November 2009. It has a near continuous distribution in Scotland (Loxton et al. 2017) and has been present in Orkney since at least May 2011 (Ryland et al. 2014) where it is also found on human-made structures (Want et al. 2017). It has been recorded in scrape and rapid assessment samples from several monitoring programme sites each year since 2014.
description: Published as part of Kakkonen, Jenni E., Worsfold, Tim M., Ashelby, Christopher W., Taylor, Andrea & Beaton, Katy, 2019, The value of regular monitoring and diverse sampling techniques to assess aquatic non-native species: a case study from Orkney, pp. 46-79 in Management of Biological Invasions 10 (1) on page 62, DOI: 10.3391/mbi.2019.10.1.04, http://zenodo.org/record/11969078
Shell and alpha cluster structures in 8Be with tensor-optimized shell model
Creators: name: Myo, Takayuki
name: Umeya, Atsushi
name: Horii, Kaori
name: Toki, Hiroshi
name: Ikeda, Kiyomi
Publisher: name: arXiv
Year: 2014
Subjects: subject: Nuclear Theory (nucl-th)
subject: Nuclear Experiment (nucl-ex)
subject: FOS: Physical sciences

description: We study the shell and alpha cluster structures in the ground and excited states of 8Be in terms of the tensor-optimized shell model (TOSM). In TOSM, the tensor correlation is optimized in the full space of 2p2h configurations involving high-momentum components. The short-range correlation is treated with the unitary correlation operator method (UCOM). We use the effective interaction based on the bare nucleon-nucleon interaction AV8$^\prime$. The 8Be states consist of two groups of ground band states and highly excited states with the isospin T=0 and T=1. It is found that the tensor contributions of the ground band states are stronger than the highly excited states and that the kinetic energies and the central contributions of the ground band states are almost twice the 4He values. These features suggest two-alpha clustering for the ground band states in 8Be. We also estimate the correlation energy of the $α$ clustering using the alpha cluster model. In the highly excited states, the calculated spectrum in TOSM reproduces the experimental level order and the relative energies of each level. This agreement suggests that those states can be interpreted as shell-like states. The level order is found to be sensitive to the presence of the tensor force in comparison with the results using the Minnesota effective interaction without the tensor force. It is also found that the tensor contributions in the T=0 states are stronger than the T=1 states, which is consistent with the state dependence of the tensor force.
description: 13 pages, 6 figures. arXiv admin note: substantial text overlap with arXiv:1209.0150, arXiv:1108.3936
OmiTrans: generative adversarial networks based omics-to-omics translation framework
Creators: name: Zhang, Xiaoyu
name: Guo, Yike
Publisher: name: arXiv
Year: 2021
Subjects: subject: Genomics (q-bio.GN)
subject: Artificial Intelligence (cs.AI)
subject: Machine Learning (cs.LG)
subject: Quantitative Methods (q-bio.QM)
subject: FOS: Biological sciences
subject: FOS: Computer and information sciences

description: With the rapid development of high-throughput experimental technologies, different types of omics (e.g., genomics, epigenomics, transcriptomics, proteomics, and metabolomics) data can be produced from clinical samples. The correlations between different omics types attracts a lot of research interest, whereas the stduy on genome-wide omcis data translation (i.e, generation and prediction of one type of omics data from another type of omics data) is almost blank. Generative adversarial networks and the variants are one of the most state-of-the-art deep learning technologies, which have shown great success in image-to-image translation, text-to-image translation, etc. Here we proposed OmiTrans, a deep learning framework adopted the idea of generative adversarial networks to achieve omics-to-omics translation with promising results. OmiTrans was able to faithfully reconstruct gene expression profiles from DNA methylation data with high accuracy and great model generalisation, as demonstrated in the experiments.
description: 9 pages, 9 figures
Over 20-year global magnetohydrodynamic simulation of Earth's magnetosphere
Creators: name: Honkonen, Ilja
name: van de Kamp, Max
name: Hoppe, Theresa
name: Kauristie, Kirsti
Publisher: name: arXiv
Year: 2021
Subjects: subject: Space Physics (physics.space-ph)
subject: FOS: Physical sciences

description: We present our approach to modeling over 20 years of the solar wind-magnetosphere-ionosphere system using version 5 of the Grand Unified Magnetosphere-Ionosphere Coupling Simulation (GUMICS-5). As input we use 16-s resolution magnetic field and 1-min plasma measurements by the Advanced Composition Explorer (ACE) satellite from 1998 to 2020. The modeled interval is divided into 28 h simulations, which include 4 h overlap. We use a maximum magnetospheric resolution of 0.5 Earth radii (Re) up to about 15 Re from Earth and decreasing resolution further away. In the ionosphere we use a maximum resolution of approximately 100 km poleward of +-58 degrees magnetic latitude and decreasing resolution towards the equator. With respect to the previous version GUMICS-4, we have parallelized the magnetosphere of GUMICS-5 using the Message Passing Interface and have made several improvements which have e.g. decreased its numerical diffusion. We compare the simulation results to several empirical models and geomagnetic indices derived from ground magnetic field measurements. GUMICS-5 reproduces observed solar cycle trends in magnetopause stand-off distance and magnetospheric lobe field strength but consistency in plasma sheet pressure and ionospheric cross-polar cap potential is lower. Comparisons with geomagnetic indices show better results for Kp index than for AE index. The simulation results are available at https://doi.org/10.23729/ca1da110-2d4e-45c4-8876-57210fbb0b0d, consisting of full ionospheric files and size-optimized magnetospheric files. The data used for Figures is available at https://doi.org/10.5281/zenodo.6641258. Our extensive results can serve e.g. as a foundation for a combined physics-based and black-box approach to real-time prediction of near-Earth space, or as input to other physics-based models of the inner magnetosphere, upper and middle atmosphere, etc.
SOLUTION OF BESSEL'S DIFFERENTIAL EQUATION BY LAPLACE TRANSFORM METHOD
Creators: name: TADIYOS AYELE
Publisher: name: Zenodo
Year: 2015

description: Bessel’s equation is the whole family of differential equation, specially ordinary differential

equation and frequently occur in various fields of science, applied mathematics and

mathematical physics involving cylindrical symmetry. In this thesis, we proposed a most

general form of linear second order ordinary differential equation of variable coefficient in

the form of Bessel’s kind. We convert the proposed Bessel’s differential equation into an

algebraic equation for transformed function by using Laplace transform. Solving this second

order ordinary differential equation of variable coefficient, using reduction of order and

power series method of solving differential equation and applying inverse Laplace transform

general solution of the problem is obtained. Graphical solution and numerical values are

presented to show the performance and accuracy of the proposed method. To obtain

numerical value and graphical solution we used some softwares like mathematica and

computer programming (c++).
Dynamic Relaxation of a Levitated Nanoparticle from a Non-Equilibrium Steady State
Creators: name: Gieseler, Jan
name: Quidant, Romain
name: Dellago, Christoph
name: Novotny, Lukas
Publisher: name: arXiv
Year: 2014
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: Fluctuation theorems are a generalization of thermodynamics on small scales and provide the tools to characterize the fluctuations of thermodynamic quantities in non-equilibrium nanoscale systems. They are particularly important for understanding irreversibility and the second law in fundamental chemical and biological processes that are actively driven, thus operating far from thermal equilibrium. Here, we apply the framework of fluctuation theorems to investigate the important case of a system relaxing from a non-equilibrium state towards equilibrium. Using a vacuum-trapped nanoparticle, we demonstrate experimentally the validity of a fluctuation theorem for the relative entropy change occurring during relaxation from a non-equilibrium steady state. The platform established here allows non-equilibrium fluctuation theorems to be studied experimentally for arbitrary steady states and can be extended to investigate quantum fluctuation theorems as well as systems that do not obey detailed balance.
description: 5 figures
A causal approach to functional mediation analysis with application to a smoking cessation intervention
Creators: name: Coffman, Donna L.
name: Dziak, John J.
name: Litson, Kaylee
name: Chakraborti, Yajnaseni
name: Piper, Megan E.
name: Li, Runze
Publisher: name: arXiv
Year: 2021
Subjects: subject: Methodology (stat.ME)
subject: FOS: Computer and information sciences

description: The increase in the use of mobile and wearable devices now allows dense assessment of mediating processes over time. For example, a pharmacological intervention may have an effect on smoking cessation via reductions in momentary withdrawal symptoms. We define and identify the causal direct and indirect effects in terms of potential outcomes on the mean difference and odds ratio scales, and present a method for estimating and testing the indirect effect of a randomized treatment on a distal binary variable as mediated by the nonparametric trajectory of an intensively measured longitudinal variable (e.g., from ecological momentary assessment). Coverage of a bootstrap test for the indirect effect is demonstrated via simulation. An empirical example is presented based on estimating later smoking abstinence from patterns of craving during smoking cessation treatment. We provide an R package, funmediation, available on CRAN, to conveniently apply this technique. We conclude by discussing possible extensions to multiple mediators and directions for future research.
description: 50 pgs., 4 figures
Testing the protective effect of debunking versus prebunking against novel misinformation across time
Creators: name: Tay, Li Qian
Publisher: name: Open Science Framework
Year: 2023
Subjects: subject: Social and Behavioral Sciences

description: The current study aims to test if an intervention provided in one context (e.g., debunking or prebunking fair-trade misinformation) can generalize to another context (e.g., reduce participants’ acceptance of misinformation about peer review), if the argumentation techniques used to mislead are structurally similar across topics. We will test this in either an immediate or a delayed test.
Equation of state of a relativistic theory from a moving frame
Creators: name: Giusti, Leonardo
name: Pepe, Michele
Publisher: name: arXiv
Year: 2014
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We propose a new strategy for determining the equation of state of a relativistic thermal quantum field theory by considering it in a moving reference system. In this frame an observer can measure the entropy density of the system directly from its average total momentum. In the Euclidean path integral formalism, this amounts to compute the expectation value of the off-diagonal components T_{0k} of the energy-momentum tensor in presence of shifted boundary conditions. The entropy is thus easily measured from the expectation value of a local observable computed at the target temperature T only. At large T, the temperature itself is the only scale which drives the systematic errors, and the lattice spacing can be tuned to perform a reliable continuum limit extrapolation while keeping finite-size effects under control. We test this strategy for the four-dimensional SU(3) Yang-Mills theory. We present precise results for the entropy density and its step-scaling function in the temperature range 0.9 T_c - 20 T_c. At each temperature, we consider four lattice spacings in order to extrapolate the results to the continuum limit. As a byproduct we also determine the ultraviolet finite renormalization constant of T_{0k} by imposing suitable Ward identities. These findings establish this strategy as a solid, simple and efficient method for an accurate determination of the equation of state of a relativistic thermal field theory over several orders of magnitude in T.
description: 4 pages, 4 figures
Overcoming the entanglement barrier in quantum many-body dynamics via space-time duality
Creators: name: Lerose, Alessio
name: Sonner, Michael
name: Abanin, Dmitry A.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: FOS: Physical sciences

description: Describing non-equilibrium properties of quantum many-body systems is challenging due to high entanglement in the wavefunction. We describe evolution of local observables via the influence matrix (IM), which encodes the effects of a many-body system as an environment for local subsystems. Recent works found that in many dynamical regimes the IM of an infinite system has low temporal entanglement and can be efficiently represented as a matrix-product state (MPS). Yet, direct iterative constructions of the IM encounter highly entangled intermediate states - a temporal entanglement barrier (TEB). We argue that TEB is ubiquitous, and elucidate its physical origin via a semiclassical quasiparticle picture that exactly captures the behavior of integrable spin chains. Further, we show that a TEB also arises in chaotic spin chains, which lack well-defined quasiparticles. Based on these insights, we formulate an alternative light-cone growth algorithm, which provably avoids TEB, thus providing an efficient construction of the thermodynamic-limit IM as a MPS. This work uncovers the origin of the efficiency of the IM approach for thermalization and transport.
description: 6 pages, 4 figures. v2: major revision of text, addition of new numerical data
Curation Workflow in an Institutional Data Repository Offering Open and Controlled Access: Digital Commons Data@Becker
Creators: name: Kim, Seonyoung
Publisher: name: Zenodo
Year: 2025
Subjects: subject: Metadata
subject: Data Curation
subject: Workflow
subject: Artificial Intelligence
subject: institutional data repository
subject: curation workflow

description: This presentation was delivered by Seonyoung Kim, PhD, Senior Support Scientist in the Data Management and Sharing Services Team at Becker Medical Library, during Breakout Session 10, “Balancing Efficiency and Effectiveness in Data Review Practices,” at the RDA 24th Plenary Meeting (Virtual), held April 7–11, 2025. The talk, titled "Curation Workflow in an Institutional Data Repository Offering Open and Controlled Access: Digital Commons Data@Becker," introduces the institutional data repository service at Washington University School of Medicine, managed by Becker Medical Library.

Digital Commons Data@Becker is a highly customized, curator-assisted repository built on the same platform as Mendeley Data, one of the NIH-supported GREI repositories, that uniquely supports both open access and restricted access for sensitive data, including human participant data. The presentation outlines the repository’s end-to-end data curation workflow, which includes:

Determination of access type (open vs. restricted) based on data source (human vs. non-human), in consultation with the WashU Human Research Protection Office (HRPO),

A thorough data curation process to ensure compliance with FAIR principles,

Collection of rich metadata and supporting documents (e.g., README files, data dictionaries, protocols) to support interpretation and reuse,

Assignment of a DOI as a persistent unique identifier, and

Support for a controlled access request process through Data Transfer and Use Agreements (DTUAs), managed by the Becker DMS team.

Future directions include:

Exploring Globus for sharing large-scale (PB-size) datasets,

Implementing click-through end-user agreements to lower barriers to controlled access,

Expanding domain-specific metadata templates (e.g., MIFlowCyt for flow cytometry), and

Piloting AI-assisted curation using tools such as FAIRlyz.

Session info: RDA VP24 Breakout Session 10
Mikrostrukturierte Ionenfallen
Creators: name: Mehlstäubler, Tanja
name: Kulosa, André P.
name: Bautista-Salvador, Amado
name: Didier, Alexandre
name: Ospelkaus, Christian
Publisher: name: Physikalisch-Technische Bundesanstalt (PTB)
Year: 2020
Subjects: Ionenfallen

description: Enthalten in PTB-Mitteilungen. Band 130 (2020), Heft 3. ISSN 0030-834X
Ultrahigh Energy Density Li-ion Batteries Based on Cathodes of 1D Metals with -Li-N-B-N- Repeating Units in alpha-LixBN2 (1
Creators: name: Nemeth, Karoly
Publisher: name: arXiv
Year: 2014
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: FOS: Physical sciences

description: Ultrahigh energy density batteries based on alpha-Li_xBN2 (1 Li3BN2 electrochemical cell reaction leads to a voltage of 3.62 V (vs Li/Li$^{+}$), theoretical energy densities of 3251 Wh/kg and 5927 Wh/L, with capacities of 899 mAh/g and 1638 mAh/cm3, while the cell volume of alpha-Li3BN2 changes only 2.8% per two-electron transfer. These values are far superior to the best existing or theoretically designed intercalation or conversion-based positive electrode materials. For comparison, the theoretical energy density of a Li-O2/peroxide battery is 3450 Wh/kg (including the weight of O2), that of a Li-S battery is 2600 Wh/kg, that of Li3Cr(BO3)(PO4) (one of the best designerintercalation materials) is 1700 Wh/kg, while already commercialized LiCoO2 allows for 568 Wh/kg. alpha-Li3BN2 is also known as a good Li-ion conductor with experimentally observed 3 mS/cm ionic conductivity and 78 kJ/mol (~ 0.8 eV) activation energy of conduction. The attractive features of alpha-LixBN2 (1
description: submitted for publication
Aging in the transport on the corrugated ratchet potential
Creators: name: Mazzitello, Karina I
name: Zarlenga, Daniel G
name: Family, Fereydoon
name: Arizmendi, Constancio M
Publisher: name: arXiv
Year: 2022
Subjects: subject: Statistical Mechanics (cond-mat.stat-mech)
subject: FOS: Physical sciences

description: Under rapid undercooling, glass forming liquids freeze in an amorphous state that can equilibrate only on enormously long time-scales, This is the characteristic sign of aging, which has been observed in a wide range of systems. Brownian ratchet is a widely studied system that exhibits many types of anomalous dynamical behavior. We have investigated the possibility of aging in the collective motion of Brownian particles in a periodic ratchet potential with quenched disorder. We find that when a slowly growing fraction of particles are trapped for long time, the collective movement tends to become super-diffusive. The super-diffusive transport weakly breaks the ergodicity and the time to cover the whole phase space become enormously long and reminiscent of aging behavior.
A Proposal to Measure the Quasiparticle Poisoning Time of Majorana Bound States
Creators: name: Colbert, Jacob R.
name: Lee, Patrick A.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We propose a method of measuring the fermion parity lifetime of Majorana fermion modes due to quasiparticle poisoning. We model quasiparticle poisoning by coupling the Majorana modes to electron reservoirs, explicitly breaking parity conservation in the system. This poisoning broadens and shortens the resonance peak associated with Majorana modes. In a two lead geometry, the poisoning decreases the correlation in current noise between the two leads from the maximal value characteristic of crossed Andreev reflection. The latter measurement allows for calculation of the poisoning rate even if temperature is much higher than the resonance width.
description: 5 pages, 5 figures
Connections between the shadow radius and the quasinormal modes of Kerr-Sen black hole
Creators: name: Wu, Xianglong
name: Zhang, Xiangdong
Publisher: name: arXiv
Year: 2021
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: The correspondence between the shadow radius and the quasi-normal modes of the Kerr-Sen black hole is studied. By using the equation of the shadow radius of the Kerr-Sen black hole and the angular separation constant of the quasi-normal modes, the expression of the real part of quasi-normal modes related to the shadow radius is obtained. We found that in the eikonal limit, our formula coincides with the previous result. Moreover, we also calculate the energy emission rate of the Kerr-Sen black hole, it turns out that the peak energy emissivity is inversely correlated with the charge parameter.
description: 13 pages, 3 figures
AU Election and interpersonal experience Study.
Creators: name: Liao, Yuan-Hsi
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Political Science
subject: FOS: Political science
subject: Organizational Behavior and Theory
subject: Psychology
subject: FOS: Psychology
subject: Social and Behavioral Sciences
subject: Business

description: In previous studies, we found that during the election, political identity predicts the way people treat colleagues and the minority context predicts the treatments they receive. Based on these results, the current study further investigates the fluctuation of political identity during the election and how interpersonal behaviour may change along with it.
Atomistic tight-binding study of electronic structure and interband optical transitions in GaBi$_{x}$As$_{1-x}$/GaAs quantum wells
Creators: name: Usman, Muhammad
name: O'Reilly, Eoin P.
Publisher: name: arXiv
Year: 2014
Subjects: subject: Materials Science (cond-mat.mtrl-sci)
subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Computational Physics (physics.comp-ph)
subject: FOS: Physical sciences

description: Large-supercell tight-binding calculations are presented for GaBi$_{x}$As$_{1-x}$/GaAs single quantum wells (QWs) with Bi fractions $x$ of 3.125% and 12.5%. Our results highlight significant distortion of the valence band states due to the alloy disorder. A large full-width-half-maximum (FWHM) is estimated in the ground state interband transition energy ($\approx$ 33 meV) at 3.125% Bi, consistent with recent photovoltage measurements for similar Bi compositions. Additionally, the alloy disorder effects are predicted to become more pronounced as the QW width is increased. However, they are less strong at the higher Bi composition (12.5%) required for the design of temperature-stable lasers, with a calculated FWHM of $\approx$ 23.5 meV at $x$=12.5%.
description: Accepted for publication in Applied Physics Letters
A combinatorial proof of the Gaussian product inequality beyond the MTP${}_2$ case
Creators: name: Genest, Christian
name: Ouimet, Frédéric
Publisher: name: arXiv
Year: 2021
Subjects: subject: Probability (math.PR)
subject: Combinatorics (math.CO)
subject: Statistics Theory (math.ST)
subject: FOS: Mathematics
subject: 60E15, 05A20, 33B15, 62E15, 62H10, 62H12

description: A combinatorial proof of the Gaussian product inequality (GPI) is given under the assumption that each component of a centered Gaussian random vector $\boldsymbol{X} = (X_1, \ldots, X_d)$ of arbitrary length can be written as a linear combination, with coefficients of identical sign, of the components of a standard Gaussian random vector. This condition on $\boldsymbol{X}$ is shown to be strictly weaker than the assumption that the density of the random vector $(|X_1|, \ldots, |X_d|)$ is multivariate totally positive of order $2$, abbreviated MTP${}_2$, for which the GPI is already known to hold. Under this condition, the paper highlights a new link between the GPI and the monotonicity of a certain ratio of gamma functions.
description: 9 pages, 1 figure
Ternary Metal Oxide Substrates for Superconducting Circuits
Creators: name: Degnan, Zach
name: He, Xin
name: Frieiro, Alejandro Gomez
name: Sachkou, Yauhen P.
name: Fedorov, Arkady
name: Jacobson, Peter
Publisher: name: arXiv
Year: 2022
Subjects: subject: Superconductivity (cond-mat.supr-con)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: Substrate material imperfections and surface losses are one of the major factors limiting superconducting quantum circuitry from reaching the scale and complexity required to build a practicable quantum computer. One potential path towards higher coherence of superconducting quantum devices is to explore new substrate materials with a reduced density of imperfections due to inherently different surface chemistries. Here, we examine two ternary metal oxide materials, spinel (MgAl2O4) and lanthanum aluminate (LaAlO3), with a focus on surface and interface characterization and preparation. Devices fabricated on LaAlO3 have quality factors three times higher than earlier devices, which we attribute to a reduction in interfacial disorder. MgAl2O4 is a new material in the realm of superconducting quantum devices and, even in the presence of significant surface disorder, consistently outperforms LaAlO3. Our results highlight the importance of materials exploration, substrate preparation, and characterization to identify materials suitable for high-performance superconducting quantum circuitry.
description: 5 pages, 6 figures