Extreme Decoherence and Quantum Chaos
Quantum Physics
2019-01-15 v3 Statistical Mechanics
High Energy Physics - Theory
Abstract
We study the ultimate limits to the decoherence rate associated with dephasing processes. Fluctuating chaotic quantum systems are shown to exhibit extreme decoherence, with a rate that scales exponentially with the particle number, thus exceeding the polynomial dependence of systems with fluctuating -body interactions. Our findings suggest the use of quantum chaotic systems as a natural test-bed for spontaneous wave function collapse models. We further discuss the implications on the decoherence of AdS/CFT black holes resulting from the unitarity loss associated with energy dephasing.
Cite
@article{arxiv.1810.02319,
title = {Extreme Decoherence and Quantum Chaos},
author = {Zhenyu Xu and Luis Pedro García-Pintos and Aurélia Chenu and Adolfo del Campo},
journal= {arXiv preprint arXiv:1810.02319},
year = {2019}
}
Comments
6+10 pp, 2+3 figures; published version