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We derive microscopic expressions for the bulk viscosity, shear viscosity and thermal conductivity of a quantum degenerate Bose gas above $T_C$, the critical temperature for Bose-Einstein condensation. The gas interacts via a contact…

量子气体 · 物理学 2013-04-24 Erich D. Gust , L. E. Reichl

In the present work, we deal with a binary mixture of diluted relativistic gases within the framework of the kinetic theory. The analysis is made within the framework of the Boltzmann equation. We assume that the gas is under the influence…

统计力学 · 物理学 2016-12-14 Valdemar Moratto , Gilberto M. Kremer

We present a comprehensive characterization of cold molecular beams from a cryogenic buffer-gas cell, providing an insight into the physics of buffer-gas cooling. Cold molecular beams are extracted from a cryogenic cell by electrostatic…

化学物理 · 物理学 2018-12-04 X. Wu , T. Gantner , M. Zeppenfeld , S. Chervenkov , G. Rempe

Charge and heat transport through a single molecule tunnel-coupled to external normal electrodes have been studied. The molecule with sufficiently strong interaction between lectrons and vibrational internal degrees of freedom can be…

介观与纳米尺度物理 · 物理学 2012-04-16 Karol Izydor Wysokinski

Thermal conductivity of hadron matter is studied using a microscopic transport model, which will be used to simulate ultra-relativistic heavy ion collisions at different energy densities, namely the Ultra-relativistic Quantum Molecular…

核理论 · 物理学 2016-04-27 T. E Nemakhavhani , A. Muronga

In the present work, we calculate the transport coefficients for a relativistic binary mixture of diluted gases of hard-sphere particles. The gas mixture under consideration is studied within the relativistic Boltzmann equation in the…

统计力学 · 物理学 2018-02-16 Gilberto M. Kremer , Valdemar Moratto

In general, it is difficult to access the thermal conductivity of thin insulating films experimentally just by electrical means. Here, we present a new approach utilizing the tunnel magneto-Seebeck effect (TMS) in combination with…

Heavy quark production provides a unique probe of the quark-gluon plasma transport properties in heavy ion collisions. Experimental observables like the nuclear modification factor $R_{\rm AA}$ and elliptic anisotropy $v_{2}$ of heavy…

高能物理 - 唯象学 · 物理学 2020-07-28 Shuang Li , Jinfeng Liao

Transport coefficients are of crucial importance in theoretical as well as experimental studies. Despite substantial research on classical hard sphere/disk gases in low and high density regimes, a thorough investigation of transport…

统计力学 · 物理学 2020-08-04 Malihe Ghodrat

We performed rheological measurements of the typical deep eutectic solvents (DESs) glyceline, ethaline, and reline in a very broad temperature and dynamic range, extending from the low-viscosity to the high-viscosity supercooled-liquid…

软凝聚态物质 · 物理学 2021-04-26 D. Reuter , P. Münzner , C. Gainaru , P. Lunkenheimer , A. Loidl , R. Böhmer

Temperature-dependent transport data, including diffusion coefficients and ionic conductivities, are routinely analysed by fitting empirical models such as the Arrhenius equation. These fitted models yield parameters such as the activation…

材料科学 · 物理学 2026-05-25 Andrew R. McCluskey , Samuel W. Coles , Benjamin J. Morgan

Significant differences exist among literature for thermal conductivity of various systems computed using molecular dynamics simulation. In some cases, unphysical results, for example, negative thermal conductivity, have been found. Using…

材料科学 · 物理学 2012-06-26 X. W. Zhou , S. Aubry , R. E. Jones , A. Greenstein , P. K. Schelling

We perform an ab initio computational investigation of the electronic and thermoelectric transport properties of one of the best performance half-Heusler (HH) alloys, NbFeSb. We use Boltzmann Transport equation while taking into account the…

材料科学 · 物理学 2025-10-28 Bhawna Sahni , Yao Zhao , Zhen Li , Rajeev Dutt , Patrizio Graziosi , Neophytos Neophytou

Equilibrium molecular dynamics (EMD) simulations through Green-Kubo formula (GKF) have been widely used in the study of thermal conductivity of various materials. However, there exist controversial simulation results which have huge…

统计力学 · 物理学 2015-05-19 Jie Chen , Gang Zhang , Baowen Li

Efficient and precise calculations of thermal transport properties and figure of merit, alongside a deep comprehension of thermal transport mechanisms, are essential for the practical utilization of advanced thermoelectric materials. In…

A relativistic gas in a Schwarzschild metric is studied within the framework of a relativistic Boltzmann equation in the presence of gravitational fields, where Marle's model for the collision operator of the Boltzmann equation is employed.…

广义相对论与量子宇宙学 · 物理学 2013-09-17 Gilberto M. Kremer

Many molecules observed in the interstellar medium are thought to result from thermal desorption of ices. Parameters such as desorption energy and pre-exponential frequency factor are essential to describe the desorption of molecules.…

星系天体物理 · 物理学 2023-08-16 N. F. W. Ligterink , M. Minissale

The complete set of transport coefficients for two dimensional relativistic degenerate gases is derived within a relaxation approximation in kinetic theory, by considering both the particle and energy frames. A thorough comparison between…

量子气体 · 物理学 2021-10-08 A. R. Mendez , A. L. Garcia-Perciante , G. Chacon-Acosta

The thermal transport properties of a two dimensional Fermi gas are explored, for the full range of temperatures and densities. The heat flux is established by solving the Uehling-Uhlebeck equation using a relaxation approximation given by…

统计力学 · 物理学 2020-01-29 A. R. Méndez , A. L. García-Perciante , G. Chacón-Acosta

In this paper we present the resistivity, the Seebeck effect, and the thermal conductivity measurements on a MgB2 sintered sample. Such transport properties highlight the role of the junctions between the grains to a different extent. In…

超导电性 · 物理学 2007-05-23 M. Putti , E. Galleani d'Agliano , D. Marre , F. Napoli , M. Tassisto , P. Manfrinetti , A. Palenzona
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