Quantum Statistical Mechanical Derivation of the Second Law of Thermodynamics: A Hybrid Setting Approach

Hal Tasaki
Phys. Rev. Lett. 116, 170402 – Published 27 April 2016
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Abstract

Based on quantum statistical mechanics and microscopic quantum dynamics, we prove Planck’s and Kelvin’s principles for macroscopic systems in a general and realistic setting. We consider a hybrid quantum system that consists of the thermodynamic system, which is initially in thermal equilibrium, and the “apparatus” which operates on the former, and assume that the whole system evolves autonomously. This provides a satisfactory derivation of the second law for macroscopic systems.

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  • Received 6 November 2015

DOI:https://doi.org/10.1103/PhysRevLett.116.170402

© 2016 American Physical Society

Physics Subject Headings (PhySH)

Statistical Physics & Thermodynamics

Authors & Affiliations

Hal Tasaki

  • Department of Physics, Gakushuin University, Mejiro, Toshima-ku, Tokyo 171-8588, Japan

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Issue

Vol. 116, Iss. 17 — 29 April 2016

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