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The second law of thermodynamics, formulated as an ultimate bound on the maximum extractable work, has been rigorously derived in multiple scenarios. However, the unavoidable limitations that emerge due to the lack of control on small…

量子物理 · 物理学 2016-04-27 H. Wilming , R. Gallego , J. Eisert

In a macroscopic (quantum or classical) Hamiltonian system, we prove the second law of thermodynamics in the forms of the minimum work principle and the law of entropy increase, under the assumption that the initial state is described by a…

统计力学 · 物理学 2007-05-23 Hal Tasaki

The statistical mechanics of Gibbs is a juxtaposition of subjective, probabilistic ideas on the one hand and objective, mechanical ideas on the other. In this paper, we follow the path set out by Jaynes, including elements added…

统计力学 · 物理学 2015-11-24 David M. Rogers , Thomas L. Beck , Susan B. Rempe

We treat a quantum mechanical system with certain general properties which are expected to be common in macroscopic quantum systems. Starting from a PURE initial state (which may not describe an equilibrium) in which energy is mildly…

统计力学 · 物理学 2007-05-23 Hal Tasaki

We extend the canonical Gibbs distribution, originally formulated for systems at equilibrium, to systems driven out of equilibrium. The stochastic dynamics of a small system are described by a probability distribution over discrete energy…

统计力学 · 物理学 2026-03-31 Jean-Luc Garden

A scheme for treating the Second Law of thermodynamics as a constraint and accounting for the approximate nature of constitutive assumptions in continuum thermomechanics is discussed. An unconstrained, concave, variational principle is…

经典物理 · 物理学 2024-12-31 Amit Acharya

Thermodynamics is traditionally concerned with systems comprised of a large number of particles. Here we present a framework for extending thermodynamics to individual quantum systems, including explicitly a thermal bath and work-storage…

量子物理 · 物理学 2014-09-29 Paul Skrzypczyk , Anthony J. Short , Sandu Popescu

The Gibbs distribution universally characterizes states of thermal equilibrium. In order to extend the Gibbs distribution to non-equilibrium steady states, one must relate the self-information $\mathcal{I}(x) = -\log(P_\text{ss}(x))$ of…

统计力学 · 物理学 2023-04-04 Nahuel Freitas , Massimiliano Esposito

To reconstruct thermodynamics based on the microscopic laws is one of the most important unfulfilled goals of statistical physics. Here, we show that the first law and the second law for adiabatic processes are derived from an assumption…

量子物理 · 物理学 2017-03-29 Hiroyasu Tajima , Eyuri Wakakuwa , Tomohiro Ogawa

In a closed economic system, money is conserved. Thus, by analogy with energy, the equilibrium probability distribution of money must follow the exponential Gibbs law characterized by an effective temperature equal to the average amount of…

统计力学 · 物理学 2009-02-25 Adrian Dragulescu , Victor M. Yakovenko

The probability distribution function for an out of equilibrium system may sometimes be approximated by a physically motivated "trial" distribution. A particularly interesting case is when a driven system (e.g., active matter) is…

统计力学 · 物理学 2012-03-27 Carlos Perez-Espigares , Alejandro B. Kolton , Jorge Kurchan

Work extraction from the Gibbs ensemble by a cyclic operation is impossible, as represented by the second law of thermodynamics. On the other hand, the eigenstate thermalization hypothesis (ETH) states that just a single energy eigenstate…

统计力学 · 物理学 2019-04-03 Kazuya Kaneko , Eiki Iyoda , Takahiro Sagawa

The nonextensive statistical ensembles are revisited for the complex systems with long-range interactions and long-range correlations. An approximation, the value of nonextensive parameter (1-q) is assumed to be very tiny, is adopted for…

统计力学 · 物理学 2020-02-26 Yahui Zheng , Jiulin Du , Linxia Liu , Huijun Kong

Thermodynamic selection is an indirect competition between agents feeding on the same energy resource and obeying the laws of thermodynamics. We examine scenarios of this selection, where the agent is modeled as a heat-engine coupled to two…

统计力学 · 物理学 2022-05-18 S. G. Babajanyan , E. V. Koonin , A. E. Allahverdyan

Using a game theory approach and a new extremal problem, Gibbs formula is proved in a most simple and general way for the classical mechanics case. A corresponding conjecture on the asymptotics of the classical entropy is formulated. For…

综合物理 · 物理学 2011-05-25 Lev Sakhnovich

We generalize the second law of thermodynamics in its maximum work formulation for a nonequilibrium initial distribution. It is found that in an isothermal process, the Boltzmann relative entropy (H-function) is not just a Lyapunov function…

统计力学 · 物理学 2015-05-13 H. -H. Hasegawa , J. Ishikawa , K. Takara , D. J. Driebe

In recent years we have witnessed a concentrated effort to make sense of thermodynamics for small-scale systems. One of the main difficulties is to capture a suitable notion of work that models realistically the purpose of quantum machines,…

量子物理 · 物理学 2016-11-23 R. Gallego , J. Eisert , H. Wilming

Gibbs-type random probability measures and the exchangeable random partitions they induce represent an important framework both from a theoretical and applied point of view. In the present paper, motivated by species sampling problems, we…

概率论 · 数学 2013-09-06 Stefano Favaro , Antonio Lijoi , Igor Prünster

Diffusive motion in an externally driven potential is considered. It is shown that the distribution of work required to drive the system from an initial equilibrium state to another is Gaussian for slow but finite driving. Our result is…

统计力学 · 物理学 2007-05-23 Thomas Speck , Udo Seifert

We design a heat engine with multi-heat-reservoir, ancillary system and quantum memory. We then derive an inequality related with the second law of thermodynamics, and give a new limitation about the work gain from the engine by analyzing…

量子物理 · 物理学 2017-11-09 Li-Hang Ren , Heng Fan
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