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Preprint . 2017
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Physica A Statistical Mechanics and its Applications
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Article . 2017
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A quantum damper

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 Jun 2019Embargo end date: 01 Jan 2017Publisher:Elsevier BVJournal:Physica A: Statistical Mechanics and its Applications, volume 523, pages 631-641 (issn: 0378-4371, Copyright policy )
Authors: Hiroaki Yamada; Fumihiro Matsui; Kensuke S. Ikeda;

doi: 10.1016/j.physa.2019.02.052 , 10.48550/arxiv.1709.03115

arXiv: http://arxiv.org/abs/1709.03115

A quantum damper

Abstract

As an application of the classically decayable correlation in a quantum chaos system maintained over an extremely long time-scale (Matsui et al, Europhys.Lett. 113(2016),40008), we propose a minimal model of quantum damper composed of a quantum harmonic oscillator (HO) weakly interacting with a bounded quantum chaos system. Although the whole system obeys unitary evolution dynamics of only three quantum degrees of freedom, the mechanical work applied to the HO is stationary converted into the "internal energy" characterized by an effective temperature in an irreversible way over a sufficiently long time-scale, if the components of the quantum chaos system are mutually entangled enough. A paradoxical dependence of the duration time of the stationary conversion on the driving strength is also discussed.

10 pages, 4 figures

Related Organizations
Keywords

Quantum Physics, Statistical Mechanics (cond-mat.stat-mech), FOS: Physical sciences, Quantum Physics (quant-ph), Condensed Matter - Statistical Mechanics

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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Average
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