dorsal/arxiv
View SchemaDecoherence and the rate of entropy production in chaotic quantum systems
| Authors | Diana Monteoliva, Juan Pablo Paz |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0007052 |
| URL | https://arxiv.org/abs/quant-ph/0007052 |
| DOI | 10.1103/PhysRevLett.85.3373 |
Abstract
We show that for an open quantum system which is classically chaotic (a quartic double well with harmonic driving coupled to a sea of harmonic oscillators) the rate of entropy production has, as a function of time, two relevant regimes: For short times it is proportional to the diffusion coefficient (fixed by the system--environment coupling strength). For longer times (but before equilibration) there is a regime where the entropy production rate is fixed by the Lyapunov exponent. The nature of the transition time between both regimes is investigated.
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"abstract": "We show that for an open quantum system which is classically chaotic (a\nquartic double well with harmonic driving coupled to a sea of harmonic\noscillators) the rate of entropy production has, as a function of time, two\nrelevant regimes: For short times it is proportional to the diffusion\ncoefficient (fixed by the system--environment coupling strength). For longer\ntimes (but before equilibration) there is a regime where the entropy production\nrate is fixed by the Lyapunov exponent. The nature of the transition time\nbetween both regimes is investigated.",
"arxiv_id": "quant-ph/0007052",
"authors": [
"Diana Monteoliva",
"Juan Pablo Paz"
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"quant-ph"
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"doi": "10.1103/PhysRevLett.85.3373",
"title": "Decoherence and the rate of entropy production in chaotic quantum systems",
"url": "https://arxiv.org/abs/quant-ph/0007052"
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