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Title: Extreme Decoherence and Quantum Chaos

Abstract

Here, 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 k -body interactions. Our findings suggest the use of quantum chaotic systems as a natural test bed for spontaneous wave function collapse models. Lastly, we further discuss the implications on the decoherence of AdS/CFT black holes resulting from the unitarity loss associated with energy dephasing.

Authors:
 [1];  [2];  [3];  [4]
  1. Soochow University, Suzhou (China); Univ. of Massachusetts, Boston, MA (United States)
  2. Univ. of Massachusetts, Boston, MA (United States)
  3. Donostia International Physics Center, San Sebastián (Spain); IKERBASQUE, Basque Foundation for Science, Bilbao (Spain); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  4. Donostia International Physics Center, San Sebastián (Spain); IKERBASQUE, Basque Foundation for Science, Bilbao (Spain); Univ. of Massachusetts, Boston, MA (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1492618
Report Number(s):
LA-UR-18-28677
Journal ID: ISSN 0031-9007; PRLTAO
Grant/Contract Number:  
89233218CNA000001
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 122; Journal Issue: 1; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS

Citation Formats

Xu, Zhenyu, Garcia-Pintos, Luis Pedro, del Campo Chenu, Aurelia Sidonie, and del Campo, Adolfo. Extreme Decoherence and Quantum Chaos. United States: N. p., 2019. Web. doi:10.1103/PhysRevLett.122.014103.
Xu, Zhenyu, Garcia-Pintos, Luis Pedro, del Campo Chenu, Aurelia Sidonie, & del Campo, Adolfo. Extreme Decoherence and Quantum Chaos. United States. https://doi.org/10.1103/PhysRevLett.122.014103
Xu, Zhenyu, Garcia-Pintos, Luis Pedro, del Campo Chenu, Aurelia Sidonie, and del Campo, Adolfo. Wed . "Extreme Decoherence and Quantum Chaos". United States. https://doi.org/10.1103/PhysRevLett.122.014103. https://www.osti.gov/servlets/purl/1492618.
@article{osti_1492618,
title = {Extreme Decoherence and Quantum Chaos},
author = {Xu, Zhenyu and Garcia-Pintos, Luis Pedro and del Campo Chenu, Aurelia Sidonie and del Campo, Adolfo},
abstractNote = {Here, 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 k -body interactions. Our findings suggest the use of quantum chaotic systems as a natural test bed for spontaneous wave function collapse models. Lastly, we further discuss the implications on the decoherence of AdS/CFT black holes resulting from the unitarity loss associated with energy dephasing.},
doi = {10.1103/PhysRevLett.122.014103},
journal = {Physical Review Letters},
number = 1,
volume = 122,
place = {United States},
year = {Wed Jan 09 00:00:00 EST 2019},
month = {Wed Jan 09 00:00:00 EST 2019}
}

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Cited by: 34 works
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