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Recent reports of superconductivity in the vicinity of room temperature have been the subject of discussion by the community. Specifically, features in the resistance-temperature (R-T) relations have raised questions. We show that many of…

超导电性 · 物理学 2024-04-02 Alexander C. Mark , Russell J. Hemley

Energy-transport equations for the transport of fermions in optical lattices are formally derived from a Boltzmann transport equation with a periodic lattice potential in the diffusive limit. The limit model possesses a formal gradient-flow…

偏微分方程分析 · 数学 2017-04-11 Marcel Braukhoff , Ansgar Jüngel

We aim at quantitatively determining transport parameters like conductivity, mean free path, etc., for simple models of spatially completely disordered quantum systems, comparable to the systems which are sometimes referred to as Lifshitz…

无序系统与神经网络 · 物理学 2013-05-30 A. Khodja , H. Niemeyer , J. Gemmer

The competition between turbulent convection and global rotation in planetary and stellar interiors governs the transport of heat and tracers, as well as magnetic-field generation. These objects operate in dynamical regimes ranging from…

流体动力学 · 物理学 2022-03-29 Vincent Bouillaut , Benjamin Miquel , Keith Julien , Sébastien Aumaître , Basile Gallet

Modeling QCD at large temperature with a simple holographic five dimensional theory encoding minimal breaking of conformality, allows for the calculation of all the transport coefficients, up to second order, in terms of a single parameter.…

高能物理 - 唯象学 · 物理学 2010-11-11 Francesco Bigazzi , Aldo L. Cotrone

Transport properties of dense liquid helium under the conditions of planet's core and cool atmosphere of white dwarfs have been investigated by using the improved centroid path-integral simulations combined with density functional theory.…

地球与行星天体物理 · 物理学 2015-02-17 Dongdong Kang , Jiayu Dai , Huayang Sun , Jianmin Yuan

In this paper, we will critically discuss recent theoretical and experimental developments on the transport of one dimensional quantum systems. In particular, we will focus on open issues and controversial results related to the finite…

强关联电子 · 物理学 2007-05-23 X. Zotos

The Enskog kinetic theory of multicomponent granular suspensions employed previously [G\'omez Gonz\'alez, Khalil, and Garz\'o, Phys. Rev. E \textbf{101}, 012904 (2020)] is considered further to determine the four transport coefficients…

软凝聚态物质 · 物理学 2023-01-02 Rubén Gómez González , Vicente Garzó

A second order relativistic hydrodynamic theory has been derived using momentum dependent relaxation time in the relativistic transport equation. In order to do that, an iterative technique of gradient expansion approach, namely…

核理论 · 物理学 2021-02-03 Sukanya Mitra

We investigate coefficients in the Israel-Stewart's causal hydrodynamics and discuss the way to calculate them with a microscopic theory. Based on the hadro-molecular simulation based on an event generator URASiMA, we evaluate the…

高能物理 - 唯象学 · 物理学 2007-05-23 Shin Muroya

We derive third order transport coefficients of skewness for a phase-space kinetic model that considers the processes of scattering collisions, trapping, detrapping and recombination losses. The resulting expression for the skewness tensor…

Previous computations of the potential landscape with the shapes parameterized in terms of Cassini ovaloids are extended to collective dynamics at finite excitations. Taking fission as the most demanding example of large scale collective…

核理论 · 物理学 2008-11-26 F. A. Ivanyuk , H. Hofmann , V. V. Pashkevich , S. Yamaji

Transport properties play a crucial role in defining materials as insulators, metals, or superconductors. A fundamental parameter in this regard is the Drude weight, which quantify the ballistic transport of charge carriers. In this work,…

We propose exact results for the full counting statistics, or the scaled cumulant generating function, pertaining to the transfer of arbitrary conserved quantities across an interface in homogeneous integrable models out of equilibrium. We…

统计力学 · 物理学 2020-01-22 Jason Myers , M. J. Bhaseen , Rosemary J. Harris , Benjamin Doyon

We study transport in the one-dimensional mass-imbalanced Fermi-Hubbard model at infinite temperature, focusing on the case of strong interactions. Prior theoretical and experimental investigations have revealed unconventionally long…

量子气体 · 物理学 2024-06-03 Thomas G. Kiely , Erich J. Mueller

Relativistic effects in the thermodynamical properties of interacting particle systems are investigated within the framework of the relativistic direct interaction theory in various forms of dynamics. In the front form of relativistic…

高能物理 - 理论 · 物理学 2007-05-23 V. Tretyak

This paper presents a molecular dynamics simulation of an inelastic gas, where collisions between molecules are characterized by a coefficient of restitution less than unity. The simulation employs an event-driven algorithm to efficiently…

计算物理 · 物理学 2025-02-03 Rameez Farooq Shah , Shikha Kumari , Syed Rashid Ahmad

A linear stability analysis of the hydrodynamic equations with respect to the homogeneous cooling state is carried out to identify the conditions for stability of a granular gas of rough hard spheres. The description is based on the results…

软凝聚态物质 · 物理学 2018-05-10 Vicente Garzó , Andrés Santos , Gilberto M. Kremer

Nonlinear response occurs naturally when a strong perturbation takes a system far from equilibrium. Despite of its omnipresence in nanoscale systems, it is difficult to predict in a general and efficient way. Here we introduce a way to…

统计力学 · 物理学 2019-07-24 Chloe Ya Gao , David T. Limmer

Ultracold atoms confined by engineered magnetic or optical potentials are ideal systems for studying phenomena otherwise difficult to realize or probe in the solid state because their atomic interaction strength, number of species, density,…

量子气体 · 物理学 2016-01-20 Chih-Chun Chien , Sebastiano Peotta , Massimiliano Di Ventra
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