cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Symmetry-preserving Loop Regularization and Renormalization of QFTs
Creators: name: Wu, Yue-Liang
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: A new symmetry-preserving loop regularization method proposed in \cite{ylw} is further investigated. It is found that its prescription can be understood by introducing a regulating distribution function to the proper-time formalism of irreducible loop integrals. The method simulates in many interesting features to the momentum cutoff, Pauli-Villars and dimensional regularization. The loop regularization method is also simple and general for the practical calculations to higher loop graphs and can be applied to both underlying and effective quantum field theories including gauge, chiral, supersymmetric and gravitational ones as the new method does not modify either the lagrangian formalism or the space-time dimension of original theory. The appearance of characteristic energy scale $M_c$ and sliding energy scale $μ_s$ offers a systematic way for studying the renormalization-group evolution of gauge theories in the spirit of Wilson-Kadanoff and for exploring important effects of higher dimensional interaction terms in the infrared regime.
description: 13 pages, Revtex, extended modified version, more references added
Discretization scheme for drift-diffusion equations with a generalized Einstein relation
Creators: name: Koprucki, Thomas
name: Gärtner, Klaus
Publisher: name: Weierstrass Institute
Year: 2012
Subjects: subject: generalized Einstein relation
subject: generalized Scharfetter-Gummel scheme
subject: drift-diffusion equations
subject: non-Boltzmann statistic distributions
subject: diffusion enhancement
subject: 65N08
subject: 35K55

description: Inspired by organic semiconductor models based on hopping transport introducing Gauss-Fermi integrals a nonlinear generalization of the classical Scharfetter-Gummel scheme is derived for the distribution function F(η)=1/(exp(-η)+γ). This function provides an approximation of the Fermi-Dirac integrals of different order and restricted argument ranges. The scheme requires the solution of a nonlinear equation per edge and continuity equation to calculate the edge currents. In the current formula the density-dependent diffusion enhancement factor, resulting from the generalized Einstein relation, shows up as a weighting factor. Additionally the current modifies the argument of the Bernoulli functions.
Evolving phase boundaries in deformable continua
Creators: name: Gurtin, Morton E.
Publisher: name: Carnegie Mellon University
Year: 1991
Subjects: subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics

description: Abstract: "Recently, Gurtin and Struthers [2] developed a dynamical theory of phase transitions in crystal-crystal systems in which the interface is sharp, coherent, and endowed with energy, entropy, and superficial force. A fundamental conceptual ingredient of the theory is the use of three force systems: deformational forces that act in response to the motion of material points; accretive forces that act within the crystal lattice to drive the crystallization process; attachment forces associated with the attachment and release of atoms as they are exchanged between phases. Here I will discuss the main results of the theory, which are constitutive equations and balance laws for the interface."
A central limit theorem for the effective conductance: I. Linear boundary data and small ellipticity contrasts
Creators: name: Biskup, Marek
name: Salvi, Michele
name: Wolff, Tilman
Publisher: name: Weierstrass Institute
Year: 2012
Subjects: subject: Random conductance model
subject: second order discrete elliptic equations with random coefficients
subject: homogenization theory
subject: 37H10
subject: 60K37
subject: 60J60

description: We consider resistor networks on $Z^d$ where each nearest-neighbor edge is assigned a non-negative random conductance. Given a finite set with a prescribed boundary condition, the effective conductance is the minimum of the Dirichlet energy over functions that agree with the boundary values. For shift-ergodic conductances, linear (Dirichlet) boundary conditions and square boxes, the effective conductance scaled by the volume of the box is known to converge to a deterministic limit as the box-size tends to infinity. Here we prove that, for i.i.d. conductances with a small ellipticity contrast, also a (non-degenerate) central limit theorem holds. The proof is based on the corrector method and the Martingale Central Limit Theorem; a key integrability condition is furnished by the Meyers estimate. More general domains, boundary conditions and arbitrary ellipticity contrasts are to be addressed in a subsequent paper.
Identical Bands in Superdeformed Nuclei: A Relativistic Description
Creators: name: K"onig, J.
name: Ring, P.
Publisher: name: arXiv
Year: 1993
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Relativistic Mean Field Theory in the rotating frame is used to describe superdeformed nuclei. Nuclear currents and the resulting spatial components of the vector meson fields are fully taken into account. Identical bands in neighboring Rare Earth nuclei are investigated and excellent agreement with recent experimental data is observed.
description: 11 pages (Latex) and 4 figures (available upon request) TUM-ITP-Ko93/1
title: Corpus : FRANÇAIS DES ANNÉES 80 , Transcription : FA 6 -CLAN
Creators: name: Groupe De Recherche Du CREDIF
name: Mochet, Marie-Anne
Publisher: name: COCOON - https://cocoon.huma-num.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2011
Subjects: subject: Français
subject: fra

description: Interactions construites
description: Interaction en face à face sur un thème imposé
description: En orthographe adaptee, Toilettée, Minutée
description: La convention de transcription est accessible dans CLAPI
description: Accès dans CLAPI aux 75 descripteurs documentant le corpus
description: Conforms to: doi:10.34847/cocoon.49aefa90-8c1f-3ba8-a099-0ebefc6a2aa7
Supplementary document for Selective generation of generalized optical skyrmions - 7389079.pdf
Creators: name: Zhang, Haojun
name: Gao, Chunqing
name: Fu, Shiyao
Publisher: name: Optica Publishing Group
Year: 2025
Subjects: Photonics, Optoelectronics and Optical Communications

description: Supplementary note for the observation of generalized optical skyrmions
Selective Hydrogen Adsoprtion in Graphene Rotated Bilayers
Creators: name: Brihuega, Ivan
name: Yndurain, Felix
Publisher: name: arXiv
Year: 2017
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: The absorption energy of atomic hydrogen at rotated graphene bilayers is studied using ab initio methods based on the density functional theory including van der Waals interactions. We find that, due to the surface corrugation induced by the underneath rotated layer and the perturbation of the electronic density of states near the Fermi energy, the atoms with an almost AA stacking are the preferential ones for hydrogen chemisorption. The adsorption energy difference between different atoms can be as large as 80 meV. In addition, we find that, due to the logarithmic van Hove singularities in the electronic density of states at energies close to the Dirac point, the adsorption energy of either electron or hole doped samples is substantially increased. We also find that the adsorption energy increases with the decrease of the rotated angle between the layers. Finally, the large zero point energy of the C-H bond (${\sim 0.3 eV}$) suggests adsorption and desorption of atomic hydrogen and deuterium should behave differently.
Slim Disk Model for Narrow-Line Seyfert 1 Galaxies
Creators: name: Mineshige, Shin
name: Takeuchi, Mitsuru
Publisher: name: arXiv
Year: 2000
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We argue that both the extreme soft X-ray excess and the large-amplitude variability of Narrow-Line Seyfert 1 galaxies (NLS1s) can be explained in the framework of the slim disk model. When the disk luminosity approaches the Eddington luminosity, the disk becomes a slim disk, exhibiting a multi-color blackbody spectrum with a maximum temperature, T(bb), of about 0.2 (M/1e5 solar masses)e(-1/4) keV, and size of the X-ray emitting region, r(bb), of about R(S) (the Schwarzschild radius). Furthermore, magnetic energy can be amplified up to a level exceeding radiation energy emitted from the disk, causing substantial variability in X-rays by consecutive magnetic flares.
description: Contributed talk presented at the Joint MPE,AIP,ESO workshop on NLS1s, Bad Honnef, Dec. 1999, to appear in New Astronomy Reviews; also available at http://wave.xray.mpe.mpg.de/conferences/nls1-workshop
Grad-div stabilization for the evolutionary Oseen problem with inf-sup stable finite elements
Creators: name: De Frutos, Javier
name: Garc'ıa-Archilla, Bosco
name: John, Volker
name: Novo, Julia
Publisher: name: Weierstrass Institute
Year: 2015
Subjects: subject: time-dependent Oseen equations
subject: inf-sup stable pairs of finite element spaces
subject: grad-div stabilization
subject: backward Euler scheme
subject: two-step backward differentiation scheme (BDF2)
subject: Crank--Nicolson scheme
subject: uniform error estimates
subject: 65M60

description: The approximation of the time-dependent Oseen problem using inf-sup stable mixed finite elements in a Galerkin method with grad-div stabilization is studied. The main goal is to prove that adding a grad-div stabilization term to the Galerkin approximation has a stabilizing effect for small viscosity. Both the continuous-in-time and the fully discrete case (backward Euler method, the two-step BDF, and Crank--Nicolson schemes) are analyzed. In fact, error bounds are obtained that do not depend on the inverse of the viscosity in the case where the solution is sufficiently smooth. The bounds for the divergence of the velocity as well as for the pressure are optimal. The analysis is based on the use of a specific Stokes projection. Numerical studies support the analytical results.
On the homology of several number-theoretic set families
Creators: name: Goh, Marcel K.
name: Saks, Jonah
Publisher: name: arXiv
Year: 2022
Subjects: subject: Combinatorics (math.CO)
subject: Algebraic Topology (math.AT)
subject: Number Theory (math.NT)
subject: FOS: Mathematics
subject: 06A07, 11B75

description: This paper describes the homology of various simplicial complexes associated to set families from combinatorial number theory, including primitive sets, pairwise coprime sets, product-free sets, and coprime-free sets. We present a condition on a set family that results in easy computation of the homology groups, and show that the first three examples, among many others, admit such a structure. We then extend our techniques to address the complexes associated to coprime-free sets and a generalization of primitive sets.
description: 17 pages, including two appendices. Final version submitted to journal
Linearized gravity as a gauge theory
Creators: name: Nieto, J. A.
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We discuss linearized gravity from the point of view of a gauge theory. In (3+1)-dimensions our analysis allows to consider linearized gravity in the context of the MacDowell-Mansouri formalism. Our observations may be of particular interest in the strong-weak coupling duality for linearized gravity, in Randall-Sundrum brane world scenario and in Ashtekar formalism.
description: Latex, 13 pages
QCD flux tubes across the deconfinement phase transition
Creators: name: Cea, Paolo
name: Cosmai, Leonardo
name: Cuteri, Francesca
name: Papa, Alessandro
Publisher: name: arXiv
Year: 2017
Subjects: subject: High Energy Physics - Lattice (hep-lat)
subject: FOS: Physical sciences

description: We study the behavior across the deconfinement phase transition of the chromoelectric flux tube generated by a static quark and a static antiquark for several distances between them. We present preliminary results for distances up to 1.33 fm and temperatures up to $1.5 T_c$.
description: 8 pages, 6 figures, talk presented at the 35th International Symposium on Lattice Field Theory, 18-24 June 2017, Granada, Spain
Thin-film electrodes for high-capacity lithium-ion batteries: Influence of phase transformations on stress
Creators: name: Meca Álvarez, Esteban
name: Münch, Andreas
name: Wagner, Barbara
Publisher: name: Weierstrass Institute
Year: 2016
Subjects: subject: Phase-field Model
subject: Interface Dynamics
subject: Numerical Methods
subject: 74N20
subject: 35Q74
subject: 74S10

description: In this study we revisit experiments by Sethuraman et al. [J. Power Sources, 195, 5062 (2010)] on the stress evolution during the lithiation/delithiation cycle of a thin film of amorphous silicon. Based on recent work that show a two-phase process of lithiation of amorphous silicon, we formulate a phase-field model coupled to elasticity in the framework of Larché-Cahn. Using an adaptive nonlinear multigrid algorithm for the finite-volume discretization of this model, our two-dimensional numerical simulations show the formation of a sharp phase boundary between the lithiated and the amorphous silicon that continues to move as a front through the thin layer. We show that our model captures the non-monotone stress loading curve and rate dependence, as observed in experiments and connects characteristic features of the curve with the stucture formation within the layer. We take advantage of the thin film geometry and study the corresponding one-dimensional model to establish the dependence on the material parameters and obtain a comprehensive picture of the behaviour of the system.
Systematic Low-Energy Effective Theory for Magnons and Charge Carriers in an Antiferromagnet
Creators: name: Kampfer, F.
name: Moser, M.
name: Wiese, U. -J.
Publisher: name: arXiv
Year: 2005
Subjects: subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: By electron or hole doping quantum antiferromagnets may turn into high-temperature superconductors. The low-energy dynamics of antiferromagnets are governed by their Nambu-Goldstone bosons -- the magnons -- and are described by an effective field theory analogous to chiral perturbation theory for the pions in strong interaction physics. In analogy to baryon chiral perturbation theory -- the effective theory for pions and nucleons -- we construct a systematic low-energy effective theory for magnons and electrons or holes in an antiferromagnet. The effective theory is universal and makes model-independent predictions for the entire class of antiferromagnetic cuprates. We present a detailed analysis of the symmetries of the Hubbard model and discuss how these symmetries manifest themselves in the effective theory. A complete set of linearly independent leading contributions to the effective action is constructed. The coupling to external electromagnetic fields is also investigated.
description: 53 pages, no figures, added references, extended the introduction
Approximate encoding of quantum states using shallow circuits
Creators: name: Dov, Matan Ben
name: Shnaiderov, David
name: Makmal, Adi
name: Torre, Emanuele G. Dalla
Publisher: name: arXiv
Year: 2022
Subjects: subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: A common requirement of quantum simulations and algorithms is the preparation of complex states through sequences of 2-qubit gates. For a generic quantum state, the number of gates grows exponentially with the number of qubits, becoming unfeasible on near-term quantum devices. Here, we aim at creating an approximate encoding of the target state using a limited number of gates. As a first step, we consider a quantum state that is efficiently represented classically, such as a one-dimensional matrix product state. Using tensor network techniques, we develop an optimization algorithm that approaches the optimal implementation for a fixed number of gates. Our algorithm runs efficiently on classical computers and requires a polynomial number of iterations only. We demonstrate the feasibility of our approach by comparing optimal and suboptimal circuits on real devices. We, next, consider the implementation of the proposed optimization algorithm directly on a quantum computer and overcome inherent barren plateaus by employing a local cost function rather than a global one. By simulating realistic shot noise, we verify that the number of required measurements scales polynomially with the number of qubits. Our work offers a universal method to prepare target states using local gates and represents a significant improvement over known strategies.
description: 10 + 6 pages
Environmental reporting : press performance in the Big Thicket National Preserve controversy
Creators: name: Cates, Claudia Ann
Publisher: name: The University of Texas at Austin
Year: 1976
Subjects: subject: Big Thicket National Preserve (Tex.)--Planning--Press coverage
subject: Environmental reporting--Social aspects--Texas
subject: Mass media and the environment--Texas

description: A review was conducted of three newspapers in East Texas, to determine whether the general public of that area could have been adequately informed on pertinent issues at a crucial point in the controversy concerning the creation of a national preserve in the Big Thicket. The criteria of analysis were designed specifically for this review and employed both qualitative and quantitative guidelines. Findings from the study were discussed in terms of the social responsibility of the press, with special reference to previous studies on environmental reporting and the phenomenon of "Afghanistanism" in reporting at the local level
Galaxies into the Dark Ages
Creators: name: Carilli, C. L.
name: Murphy, E. J.
name: Ferrara, A.
name: Dayal, P.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We consider the capabilities of current and future large facilities operating at 2\,mm to 3\,mm wavelength to detect and image the [CII] 158\,$μ$m line from galaxies into the cosmic "dark ages" ($z \sim 10$ to 20). The [CII] line may prove to be a powerful tool in determining spectroscopic redshifts, and galaxy dynamics, for the first galaxies. We emphasize that the nature, and even existence, of such extreme redshift galaxies, remains at the frontier of open questions in galaxy formation. In 40\,hr, ALMA has the sensitivity to detect the integrated [CII] line emission from a moderate metallicity, active star-forming galaxy [$Z_A = 0.2\,Z_{\odot}$; star formation rate (SFR) = 5\,$M_\odot$\,yr$^{-1}$], at $z = 10$ at a significance of 6$σ$. The next-generation Very Large Array (ngVLA) will detect the integrated [CII] line emission from a Milky-Way like star formation rate galaxy ($Z_{A} = 0.2\,Z_{\odot}$, SFR = 1\,$M_\odot$\,yr$^{-1}$), at $z = 15$ at a significance of 6$σ$. Imaging simulations show that the ngVLA can determine rotation dynamics for active star-forming galaxies at $z \sim 15$, if they exist. Based on our very limited knowledge of the extreme redshift Universe, we calculate the count rate in blind, volumetric surveys for [CII] emission at $z \sim 10$ to 20. The detection rates in blind surveys will be slow (of order unity per 40\,hr pointing). However, the observations are well suited to commensal searches. We compare [CII] with the [OIII] 88$μ$m line, and other ancillary information in high $z$ galaxies that would aid these studies.
description: 11pages, 8 figures, Accepted for the Astrophysical Journal
Equivalent martingale measures and optimal market completions
Creators: name: Karatzas, Ioannis
name: Lehoczky, John P.
name: Shreve, Steven E.
Publisher: name: Carnegie Mellon University
Year: 1990
Subjects: subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics

description: Abstract: "Optimal fictitious completions of an incomplete financial market are shown to be associated with exponential martingales (not just local martingales) and, therefore, to 'an optimal equivalent martingale measure'. Results of independent interest, in the theory of continuous-time martingales, are derived as well."
Beliefs and Knowledge about Menstruation, Self-Objectification and Sexual Self Concept: A Scale Validation and Questionnaire Study.
Creators: name: Costello, Rachel
Publisher: name: OSF Registries
Year: 2024
Subjects: subject: Social and Behavioral Sciences

description: This study examined the knowledge of, and attitude towards the menstrual cycle, self-objectification, body surveillance and sexual self-concept of women and to use and validate a new translation of the Multidimensional Sexual Self Concept scale.
Disk/corona model: The transition to ADAF
Creators: name: Czerny, B.
name: Rozanska, A.
name: Janiuk, A.
name: Zycki, P. T.
Publisher: name: arXiv
Year: 2000
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We propose a model of the accretion flow onto a black hole consisting of the accretion disk with an accreting two-temperature corona. The model is based on assumptions about the radiative and conductive energy exchange between the two phases and the pressure equilibrium. The complete model is determined by the mass, the accretion rate, and the viscosity parameter. We present the radial dependencies of parameters of such a two-phase flow, with advection in the corona and the disk/corona mass exchange due to evaporation/condensation included, and we determine the transition radius from a two-phase disk/corona accretion to a single-phase optically thin flow (ADAF) in the innermost part of the disk as a function of accretion rate. We identify the NLS1 galaxies with objects accreting at a rate close to the Eddington accretion rate. The strong variability of these objects may be related to the limit cycle behaviour expected in this luminosity range, as the disk, unstable due to the dominance by the radiation pressure, oscillates between the two stable branches: the advection-dominated optically thick branch and the evaporation branch.
description: Contributed talk presented at the Joint MPE,AIP,ESO workshop on NLS1s, Bad Honnef, Dec. 1999, to appear in New Astronomy Reviews; also available at http://wave.xray.mpe.mpg.de/conferences/nls1-workshop
Sharp-interface formation during lithium intercalation into silicon
Creators: name: Meca Álvarez, Esteban
name: Münch, Andreas
name: Wagner, Barbara
Publisher: name: Weierstrass Institute
Year: 2016
Subjects: subject: Asymptotic analysis
subject: phase-field model
subject: interface dynamics
subject: numerical methods
subject: 74N20
subject: 35Q74
subject: 35B25

description: In this study we present a phase-field model that describes the process of intercalation of Li ions into a layer of an amorphous solid such as a-Si. The governing equations couple a viscous Cahn-Hilliard-Reaction model with elasticity in the framework of the Cahn-Larché system. We discuss the parameter settings and flux conditions at the free boundary that lead to the formation of phase boundaries having a sharp gradient in ion concentration between the initial state of the solid layer and the intercalated region. We carry out a matched asymptotic analysis to derive the corresponding sharp-interface model that also takes into account the dynamics of triple points where the sharp interface in the bulk of the layer intersects the free boundary. We numerically compare the interface motion predicted by the sharp-interface model with the long-time dynamics of the phase-field model.
Reservoir analysis and depositional systems of the Upper Cretaceous Woodbine Group in the Mexia Fault Trend of the East Texas Basin : Mexia Oil Field
Creators: name: Clay, David Lee
Publisher: name: The University of Texas at Austin
Year: 2018
Subjects: Woodbine
Oil
East Texas Basin
Depositional systems
Mexia
Reservoir analysis

description: The Mexia oil field, discovered in 1920, has produced 110 million barrels of oil from Upper Cretaceous sandstone reservoirs of the Woodbine Group in Limestone County, Texas. The producing Woodbine Group is primarily composed of siliciclastic sandstones, siltstones and mudstones that have been divided by flooding surfaces into nine depositional cycles. Most of these depositional cycles are fluvial-dominated deltaic in origin, with others of wave-modified deltaic origin. The depositional cycles are important in defining reservoir heterogeneities in the Mexia Fault Trend oil fields. The Woodbine sandstones are highly effective water-drive reservoirs. However, historical field development methods, such as high-volume flow rates, were ineffective at maximizing the fields’ recovery. This study is the first to recognize and map individual Woodbine depositional cycles in the Mexia Fault Trend to explore how to maximize future oil recovery efforts. This study also researched the historical development of the Mexia field cooperatively with new digital production data sources. Combining historical production data with new mapping of the depositional cycles and their net sandstones reservoir units uncovered significant bypassed oil resources. Undrilled infill locations were identified, then analog production for each reservoir unit was scaled to a field-wide redevelopment drilling program. In the Mexia field, this study indicates an estimated 51 million barrels of oil remains to be produced. This analog study can be utilized to assess other Mexia Fault Trend fields. The fault line fields contain approximately 559 million barrels of original oil in place. A similar study on each individual oil field could lead to the recovery of over 66 million additional barrels of oil.
title: Corpus : FRANÇAIS DES ANNÉES 80 , Transcription : FE 1-CLAN
Creators: name: Groupe De Recherche Du CREDIF
name: Mochet, Marie-Anne
Publisher: name: COCOON - https://cocoon.huma-num.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2011
Subjects: subject: Français
subject: fra

description: Interactions construites
description: Interaction en face à face sur un thème imposé
description: En orthographe adaptee, Minutée
description: La convention de transcription est accessible dans CLAPI
description: Accès dans CLAPI aux 75 descripteurs documentant le corpus
description: Conforms to: doi:10.34847/cocoon.49aefa90-8c1f-3ba8-a099-0ebefc6a2aa7
Relative entanglement entropy for widely separated regions in curved spacetime
Creators: name: Hollands, Stefan
name: Islam, Onirban
name: Sanders, Ko
Publisher: name: arXiv
Year: 2017
Subjects: subject: Mathematical Physics (math-ph)
subject: General Relativity and Quantum Cosmology (gr-qc)
subject: High Energy Physics - Theory (hep-th)
subject: Quantum Physics (quant-ph)
subject: FOS: Physical sciences

description: We give an upper bound of the relative entanglement entropy of the ground state of a massive Dirac-Majorana field across two widely separated regions $A$ and $B$ in a static slice of an ultrastatic Lorentzian spacetime. Our bound decays exponentially in $dist (A, B)$, at a rate set by the Compton wavelength and the spatial scalar curvature. The physical interpretation our result is that, on a manifold with positive spatial scalar curvature, one cannot use the entanglement of the vacuum state to teleport one classical bit from $A$ to $B$ if their distance is of the order of the maximum of the curvature radius and the Compton wave length or greater.
description: 17 pages, 2 figures
Stochastic homogenization of rate-independent systems
Creators: name: Heida, Martin
Publisher: name: Weierstrass Institute
Year: 2016
Subjects: subject: Rate-independent
subject: stochastic homogenization
subject: convex functionals
subject: two-scale
subject: 74QXX
subject: 74C05
subject: 34E13

description: We study the stochastic and periodic homogenization 1-homogeneous convex functionals. We proof some convergence results with respect to stochastic two-scale convergence, which are related to classical Gamma-convergence results. The main result is a general liminf-estimate for a sequence of 1-homogeneous functionals and a two-scale stability result for sequences of convex sets. We apply our results to the homogenization of rateindependent systems with 1-homogeneous dissipation potentials and quadratic energies. In these applications, both the energy and the dissipation potential have an underlying stochastic microscopic structure. We study the particular homogenization problems of Prandlt-Reuss plasticity, Coulomb friction on a macroscopic surface and Coulomb friction on microscopic fissure.
Holomorphic D7-Branes and Flavored N=1 Gauge Theories
Creators: name: Ouyang, Peter
Publisher: name: arXiv
Year: 2003
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We consider D7-branes in the gauge theory/string theory correspondence, using a probe approximation. The D7-branes have four directions embedded holomorphically in a non-compact Calabi-Yau 3-fold (which for specificity we take to be the conifold) and their remaining four directions are parallel to a stack of D3-branes transverse to the Calabi-Yau space. The dual gauge theory, which has $\mathcal{N}=1$ supersymmetry, contains quarks which transform in the fundamental representation of the gauge group, and we identify the interactions of these quarks in terms of a superpotential. By activating three-form fluxes in the gravity background, we obtain a dual gauge theory with a cascade of Seiberg dualities. We find a supersymmetric supergravity solution for the leading backreaction effects of the D7-branes, valid for asymptotically large radius. The cascading theory with flavors exhibits the interesting phenomenon that the rate of the cascade slows and can stop as the theory flows to the infrared.
description: 25 pages, latex, v2:typos fixed, refs added
Weakly bounded cohomology classes and a counterexample to a conjecture of Gromov
Creators: name: Ascari, Dario
name: Milizia, Francesco
Publisher: name: arXiv
Year: 2022
Subjects: subject: Group Theory (math.GR)
subject: FOS: Mathematics

description: We exhibit a finitely presented group whose second cohomology contains a weakly bounded, but not bounded, class. As an application, we disprove a long-standing conjecture of Gromov about bounded primitives of differential forms on universal covers of closed manifolds.
description: 21 pages, 9 figures. This version of the article has been accepted for publication, after peer review, in GAFA, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections
Mechanisms and longevity of strain localization during dynamic recrystallization of olivine
Creators: name: Speciale, Pamela Ann
name: 0000-0001-9336-5196
Publisher: name: The University of Texas at Austin
Year: 2020
Subjects: Olivine
Dynamic recrystallization
Grain size reduction
Grain growth
Strain localization
Experimental rock deformation

description: The mechanisms that lead to localized deformation within Earth’s lithosphere are critical to the formation and longevity of tectonic plate boundaries. Large-scale geodynamic models that incorporate parameters for rheological ‘damage’ and ‘healing’ are most successful at reproducing self-consistent plate-like behavior on Earth and other terrestrial planets, but the microphysical processes that maintain localization are not well understood. While the preservation of fine grain sizes in crustal and mantle shear zones suggests that grain size reduction (damage) by dynamic recrystallization is one of the most important mechanisms of strain localization, subsequent grain growth (healing) may inhibit localization. In this dissertation, I describe three projects focused on evaluating these processes and their contribution to the persistence of plate boundaries. In Chapter 2, I test the consistency of existing stress-grain size piezometers that are used to estimate the strength of the lithosphere. Using quartz–feldspar- and olivine–orthopyroxene-bearing mylonites, which are common mineral pairs in crustal and mantle rocks, I quantify new piezometers for feldspar and orthopyroxene that are consistent with observations from natural rocks, and can be used to estimate stress magnitudes in rocks such as granulites and pyroxenites, for which the quartz and olivine piezometers are unsuitable. In Chapter 3, I quantify the rate of syn- and post-deformation grain growth in experimentally deformed, wet natural olivine aggregates, and compare it to that predicted by the existing olivine grain growth law to highlight the influence of microstructurally stored strain energy on grain growth. I derive a new olivine grain growth law that predicts significantly slower growth than previously reported for wet olivine, suggesting that grain size reduction by dynamic recrystallization plays an important role in the longevity of strain localization. In Chapter 4, I compare the mechanical and microstructural evolution of dry olivine aggregates that I experimentally deformed under both constant strain rate and constant stress conditions, and use detailed microstructural analysis to identify the mechanisms that accommodate strain weakening during and after grain size reduction. The results suggest that strain localization in monophase olivine does not occur at constant strain rate conditions but is common under constant stress boundary conditions.
Verification of particle simulation of radio frequency waves in fusion plasmas
Creators: name: Kuley, A.
name: Wang, Z. X.
name: Lin, Z.
name: Wessel, F.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: FOS: Physical sciences

description: Radio frequency (RF) waves can provide heating, current and flow drive, as well as instability control for steady state operations of fusion experiments. A particle simulation model has been developed in this work to provide a first-principles tool for studying the RF nonlinear interactions with plasmas. In this model, ions are considered as fully kinetic particles using the Vlasov equation and electrons are treated as guiding centers using the drift kinetic equation. This model has been implemented in a global gyrokinetic toroidal code (GTC) using real electron-to-ion mass ratio. To verify the model, linear simulations of ion plasma oscillation, ion Bernstein wave, and lower hybrid wave are carried out in cylindrical geometry and found to agree well with analytic predictions.
description: 7pages, 6 figures
title: Ammonium salts are a reservoir of nitrogen on a cometary nucleus and possibly on some asteroids
Creators: name: Poch, Olivier
name: Istiqomah, Istiqomah
name: Quirico, Eric
name: Beck, Pierre
name: Schmitt, Bernard
name: Theulé, Patrice
name: Faure, Alexandre
name: Hily-Blant, Pierre
name: Bonal, Lydie
name: Kappel, David
Publisher: name: Universität Potsdam
Year: 2024
Subjects: subject: 520 Astronomie und zugeordnete Wissenschaften

description: The measured nitrogen-to-carbon ratio in comets is lower than for the Sun, a discrepancy which could be alleviated if there is an unknown reservoir of nitrogen in comets. The nucleus of comet 67P/Churyumov-Gerasimenko exhibits an unidentified broad spectral reflectance feature around 3.2 micrometers, which is ubiquitous across its surface. On the basis of laboratory experiments, we attribute this absorption band to ammonium salts mixed with dust on the surface. The depth of the band indicates that semivolatile ammonium salts are a substantial reservoir of nitrogen in the comet, potentially dominating over refractory organic matter and more volatile species. Similar absorption features appear in the spectra of some asteroids, implying a compositional link between asteroids, comets, and the parent interstellar cloud.
description: Zweitveröffentlichungen der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe; 1389
Strong spin-photon coupling in silicon
Creators: name: Samkharadze, N.
name: Zheng, G.
name: Kalhor, N.
name: Brousse, D.
name: Sammak, A.
name: Mendes, U. C.
name: Blais, A.
name: Scappucci, G.
name: Vandersypen, L. M. K.
Publisher: name: arXiv
Year: 2017
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We report the strong coupling of a single electron spin and a single microwave photon. The electron spin is trapped in a silicon double quantum dot and the microwave photon is stored in an on-chip high-impedance superconducting resonator. The electric field component of the cavity photon couples directly to the charge dipole of the electron in the double dot, and indirectly to the electron spin, through a strong local magnetic field gradient from a nearby micromagnet. This result opens the way to the realization of large networks of quantum dot based spin qubit registers, removing a major roadblock to scalable quantum computing with spin qubits.
Equilibrium models with singular asset prices
Creators: name: Karatzas, Ioannis
name: Lehoczky, John P.
name: Shreve, Steven E.
Publisher: name: Carnegie Mellon University
Year: 1990
Subjects: subject: 19999 Mathematical Sciences not elsewhere classified
subject: FOS: Mathematics

description: Abstract: "General equilibrium models in which economic agents have finite marginal utility from consumption at the origin lead to financial assets whose prices are continuous but exhibit singular components. In particular, there is no bona-fide 'interest rate' in such models, although asset prices can be determined by equilibrium considerations (and uniquely, up to the formation of mutual funds). The singularly continuous processes in question charge precisely the set of time-points at which some agent 'drops out' of the economy, or 'comes back' into it, between intervals of zero-consumption. Not surprisingly, these processes are governed by local time."
Non-Myopic Multifidelity Bayesian Optimization
Creators: name: Di Fiore, Francesco
name: Mainini, Laura
Publisher: name: arXiv
Year: 2022
Subjects: subject: Machine Learning (cs.LG)
subject: Optimization and Control (math.OC)
subject: FOS: Computer and information sciences
subject: FOS: Mathematics

description: Bayesian optimization is a popular framework for the optimization of black box functions. Multifidelity methods allows to accelerate Bayesian optimization by exploiting low-fidelity representations of expensive objective functions. Popular multifidelity Bayesian strategies rely on sampling policies that account for the immediate reward obtained evaluating the objective function at a specific input, precluding greater informative gains that might be obtained looking ahead more steps. This paper proposes a non-myopic multifidelity Bayesian framework to grasp the long-term reward from future steps of the optimization. Our computational strategy comes with a two-step lookahead multifidelity acquisition function that maximizes the cumulative reward obtained measuring the improvement in the solution over two steps ahead. We demonstrate that the proposed algorithm outperforms a standard multifidelity Bayesian framework on popular benchmark optimization problems.
title: Corpus : FRANÇAIS DES ANNÉES 80 , Transcription : FJ 12 -CLAN
Creators: name: Groupe De Recherche Du CREDIF
name: Mochet, Marie-Anne
Publisher: name: COCOON - https://cocoon.huma-num.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2011
Subjects: subject: Français
subject: fra

description: Interactions construites
description: Interaction en face à face sur un thème imposé
description: En orthographe adaptee, Toilettée, Minutée
description: La convention de transcription est accessible dans CLAPI
description: Accès dans CLAPI aux 75 descripteurs documentant le corpus
description: Conforms to: doi:10.34847/cocoon.49aefa90-8c1f-3ba8-a099-0ebefc6a2aa7
title: ADCO, Deuxième cartulaire ou Grand cartulaire de l'abbaye de Molesme, Cart. 143 (7 H 7), 153 fol, f. 0085v
Creators: name: de la Côte d'Or, Archives départementales
name: Archives Départementales De La Côte-D'Or
name: Petot, Frédérique
name: Projet CBMA
name: CG21/F.PETOT/2009
name: Petot, Frédéric
Publisher: name: NAKALA - https://nakala.fr (Huma-Num - CNRS)
publisherIdentifier: https://ror.org/04ces3204
publisherIdentifierScheme: ROR
Year: 2020
Subjects: subject: cartulaire
subject: LaMOP
subject: Laboratoire de Médiévistique Occidentale de Paris
subject: Corpus Burgundiae Medii Aevi
subject: Chartes de la Bourgogne du Moyen Âge

description: Deuxième cartulaire ou Grand cartulaire de l'abbaye de Molesme, Archives départementales de la Côte-d'Or, Cart. 143 (7 H 7), 153 fol, f. 0085v, Numérisation en mode image.
description: Relation: http://www.cbma-project.eu/
description: Bibliographic citation: Deuxième cartulaire ou Grand cartulaire de l'abbaye de Molesme, Archives départementales de la Côte-d'Or, Cart. 143 (7 H 7), 153 fol, f. 0085v, in Projet CBMA - Corpus Burgundiae Medii Aevi [Ressource en ligne], https:// manuscrits.cbma-project.eu/
description: Provenance: https://catalogue.bnf.fr/ark:/12148/cb137389344
description: Provenance: abbaye de Molesme
description: Provenance: http://www.wikidata.org/entity/Q334044
The Cellwise Minimum Covariance Determinant Estimator
Creators: name: Raymaekers, Jakob
name: Rousseeuw, Peter J.
Publisher: name: arXiv
Year: 2022
Subjects: subject: Methodology (stat.ME)
subject: Machine Learning (stat.ML)
subject: FOS: Computer and information sciences

description: The usual Minimum Covariance Determinant (MCD) estimator of a covariance matrix is robust against casewise outliers. These are cases (that is, rows of the data matrix) that behave differently from the majority of cases, raising suspicion that they might belong to a different population. On the other hand, cellwise outliers are individual cells in the data matrix. When a row contains one or more outlying cells, the other cells in the same row still contain useful information that we wish to preserve. We propose a cellwise robust version of the MCD method, called cellMCD. Its main building blocks are observed likelihood and a penalty term on the number of flagged cellwise outliers. It possesses good breakdown properties. We construct a fast algorithm for cellMCD based on concentration steps (C-steps) that always lower the objective. The method performs well in simulations with cellwise outliers, and has high finite-sample efficiency on clean data. It is illustrated on real data with visualizations of the results.
A boulevard in transition : migrant placemaking in North Austin
Creators: name: Gonzalez, Lynda Myrtha
name: 0000-0002-0609-8526
Publisher: name: The University of Texas at Austin
Year: 2019
Subjects: Austin
Migrants
North Austin
Immigration
Placemaking
Texas
Gentrification
Culture

description: The low-income and ethnically diverse neighborhoods of North Lamar Boulevard have not received the kinds of city-backed economic development efforts that have revamped other areas of Austin like the Mueller Airport development, South Congress Avenue, or East 12th street. As the city nears the 1 million population mark, local public attention has centered around the East-West divide of segregation and gentrification. Young, white-collar professionals have migrated to the city’s urban core in the last decade, and commercial and residential development has reshaped East Austin to accommodate the tastes of these new middle- and high-income earners. The neighborhoods that surround North Lamar Boulevard in the city’s far northern sector have, for the most part, dodged this fate. Instead, it grapples with other obstacles. Sidewalks in the Rundberg neighborhood remain in disrepair. Local news media coverage routinely casts the area as crime-ridden. Residents wish that city buses in these neighborhoods provided reliable and frequent service. Despite these community challenges, immigrant business owners and residents have taken it upon themselves to personalize the North Lamar neighborhood to their own liking: the facade of one restaurant, Mariscos Los Jarochos, features elaborate woodwork; across the street, another building showcases Mexican murals and artisanal masonry. In the evening, families stroll North Lamar to eat dinner at any number of taco trucks or to buy a refreshing raspa, or snow cone. The utilization and remaking of space in the North Lamar neighborhood by immigrant communities foster a sense of belonging, especially as city development efforts in the area have dragged on for the past decade and other needs remain unmet
Relations Between Isoscalar Charge Form Factors of Two- and Three-Nucleon Systems
Creators: name: Henning, H.
name: Adam, J.
name: Sauer, P. U.
name: Stadler, A.
Publisher: name: arXiv
Year: 1993
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Theoretical predictions for the deuteron and the isoscalar trinucleon charge form factors are compared. Correlations between them are found. Linear relations hold for the position of the diffraction minimum and for the position and height of the secondary maximum. The linear relation for the diffraction minimum misses the experimental data.
description: 11 pages in Revtex 3.0 (8 figures available as postscript files upon request), preprint WM-93-112
Integral models of moduli spaces of shtukas with deep Bruhat-Tits level structures
Creators: name: Bieker, Patrick
Publisher: name: arXiv
Year: 2022
Subjects: subject: Algebraic Geometry (math.AG)
subject: FOS: Mathematics

description: We construct integral models for moduli spaces of shtukas with deep Bruhat-Tits level structures. We embed the moduli space of global shtukas for a deep Bruhat-Tits group scheme into the limit of the moduli spaces of shtukas for all associated parahoric group schemes. Its schematic image defines an integral model of the moduli space of shtukas with deep Bruhat-Tits level with favourable properties: They admit proper, surjective and generically étale level maps as well as a natural Newton stratification. In the Drinfeld case, this general construction of integral models recovers the moduli space of Drinfeld shtukas with Drinfeld level structures.
description: 36 pages. Minor corrections, to appear in IMRN