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Quantum Thermodynamics

H-theorem in quantum physics

arXiv
Authors: G. B. Lesovik, A. V. Lebedev, I. A. Sadovskyy, M. V. Suslov, V. M. Vinokur

Year

2014

Paper ID

8274

Status

Preprint

Abstract Read

~2 min

Abstract Words

108

Citations

N/A

Abstract

Remarkable progress of quantum information theory (QIT) allowed to formulate mathematical theorems for conditions that data-transmitting or data-processing occurs with a non-negative entropy gain. However, relation of these results formulated in terms of entropy gain in quantum channels to temporal evolution of real physical systems is not thoroughly understood. Here we build on the mathematical formalism provided by QIT to formulate the quantum H-theorem in terms of physical observables. We discuss the manifestation of the second law of thermodynamics in quantum physics and uncover special situations where the second law can be violated. We further demonstrate that the typical evolution of energy-isolated quantum systems occurs with non-diminishing entropy.

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  • Remarkable progress of quantum information theory (QIT) allowed to formulate mathematical theorems for conditions that data-transmitting or data-processing occurs with a...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1407.4437 [2] arXiv https://arxiv.org/abs/1407.4437 [3] Publisher https://arxiv.org/abs/1407.4437

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