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In this article, we show that a quantum gas, a collection of massive, non-interacting, indistinguishable quantum particles can be realized as a thermodynamic machine as an artifact of energy quantization and hence bears no classical analog.…

量子物理 · 物理学 2023-04-19 Saikat Sur , Arnab Ghosh

We study anomalous transport in a one-dimensional system with two conserved quantities in presence of thermal baths. In this system we derive exact expressions of the temperature profile and the two point correlations in steady state as…

统计力学 · 物理学 2018-10-10 Priyanka , Aritra Kundu , Abhishek Dhar , Anupam Kundu

In a previous article a relationship was established between the linearized metrics of General Relativity associated with geodesics and the Dirac Equation of quantum mechanics. In this paper the extension of that result to arbitrary curves…

广义相对论与量子宇宙学 · 物理学 2010-05-11 Paul O'Hara

A basic statistical mechanics analysis of many-body systems with non-reciprocal pair interactions is presented. Different non-reciprocity classes in two- and three-dimensional binary systems (relevant to real experimental situations) are…

统计力学 · 物理学 2015-10-09 A. V. Ivlev , J. Bartnick , M. Heinen , H. Löwen

We review some models of granular materials fluidized by means of external forces such as: random homogeneous forcing with damping, vibrating plates, flow in an inclined channel and flow in a double well potential. All these systems show…

软凝聚态物质 · 物理学 2009-11-10 Andrea Puglisi , Fabio Cecconi , Angelo Vulpiani

Nonthermal fixed points of the dynamics of a dilute degenerate Bose gas far from thermal equilibrium are analyzed in two and three spatial dimensions. Universal power-law distributions, previously found within a nonperturbative…

量子气体 · 物理学 2012-05-02 Boris Nowak , Jan Schole , Dénes Sexty , Thomas Gasenzer

A unified view on macroscopic thermodynamics and quantum transport is presented. Thermodynamic processes with an exchange of energy between two systems necessarily involve the flow of other balanceable quantities. These flows are first…

介观与纳米尺度物理 · 物理学 2012-10-02 C. Strunk

Most of the work involving entanglement measurement focuses on systems that can be modeled by two interacting qubits. This is due to the fact that there are few studies presenting entanglement analytical calculations in systems with spins…

量子物理 · 物理学 2021-03-04 Saulo Luis Lima da Silva

Exposing a solution to a temperature gradient can lead to the accumulation of particles on either the cold or warm side. This phenomenon, known as thermophoresis, has been discovered more than a century ago, and yet its microscopic origin…

统计力学 · 物理学 2023-01-02 Shiling Liang , Daniel Maria Busiello , Paolo De Los Rios

The dissipation generated during a quasistatic thermodynamic process can be characterised by introducing a metric on the space of Gibbs states, in such a way that minimally-dissipating protocols correspond to geodesic trajectories. Here, we…

量子物理 · 物理学 2019-10-25 Matteo Scandi , Martí Perarnau-Llobet

The inverse structure functions of exit distances have been introduced as a novel diagnostic of turbulence which emphasizes the more laminar regions [1-4]. Using Taylor's frozen field hypothesis, we investigate the statistical properties of…

流体动力学 · 物理学 2007-05-23 W. -X. Zhou , D. Sornette , W. -K. Yuan

The dynamic heat transfer between two half-spaces separated by a vacuum gap due to coupling of their surface modes is modelled using the theory that describes the dynamic energy transfer between two coupled harmonic oscillators each…

介观与纳米尺度物理 · 物理学 2018-07-10 Karthik Sasihithlu , Girish Agarwal

The thermal properties of ice, liquid water and steam are at odds with statistical theories applied to many-body systems. Here, these properties are quantitatively explained with a bulk-scale matter field emerging from the indefinite status…

统计力学 · 物理学 2021-03-16 François Fillaux

This paper is a companion paper to [Lipman and Daubechies 2011]. We provide numerical procedures and algorithms for computing the alignment of and distance between two disk type surfaces. We provide a convergence analysis of the discrete…

数值分析 · 数学 2014-02-18 Yaron Lipman , Jesus Puente , Ingrid Daubechies

The fluctuations are termed mesoscopic, when their typical size is essentially larger then the average distance between the nearest neighbors, while being much smaller than the overall system size. Since the features of mesoscopic…

统计力学 · 物理学 2026-01-23 V. I. Yukalov , E. P. Yukalova

Given a thermodynamic process which carries a system from one equilibrium state to another, we construct a quantity whose average, over an ensemble of microscopic realizations of the process, depends only on these end states, even if at…

统计力学 · 物理学 2015-06-25 C. Jarzynski

Heat transport in spin-boson systems near the thermal equilibrium is systematically investigated. An asymptotically exact expression for the thermal conductance in a low-temperature regime wherein transport is described via a co-tunneling…

介观与纳米尺度物理 · 物理学 2018-09-14 Tsuyoshi Yamamoto , Masanari Kato , Takeo Kato , Keiji Saito

Within the framework of relativistic quantum field theory, a novel method is established which allows to distinguish non-equilibrium states admitting locally a thermodynamic interpretation. The basic idea is to compare these states with…

高能物理 - 唯象学 · 物理学 2015-06-25 Detlev Buchholz , Izumi Ojima , Hansjoerg Roos

The phenomenon of hysteresis is commonly observed in many UV thermal experiments involving unmodified or modified nucleic acids. In presence of hysteresis, the thermal curves are irreversible and demand a significant effort to produce the…

Exploiting the geometric nature of statistical divergences, we devise a way to define associated induced uncertainty measures for discrete and finite probability distributions. We also report new uncertainty measures and discuss their…

量子物理 · 物理学 2021-06-29 Gautam Sharma , Sk Sazim
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