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Extreme Decoherence and Quantum Chaos

Journal Article · · Physical Review Letters
 [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)

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.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
89233218CNA000001
OSTI ID:
1492618
Report Number(s):
LA-UR-18-28677; PRLTAO
Journal Information:
Physical Review Letters, Vol. 122, Issue 1; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 34 works
Citation information provided by
Web of Science

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Intrinsic time-uncertainties and decoherence: comparison of 4 models text January 2004
Decoherence in ion traps due to laser intensity and phase fluctuations text January 1997

Cited By (9)

Random Lindblad dynamics journal November 2019
Out-of-time-ordered correlation functions in open systems: A Feynman-Vernon influence functional approach journal December 2019
Work statistics for sudden quenches in interacting quantum many-body systems journal November 2019
Universal Spectra of Random Lindblad Operators journal October 2019
Spectral Gaps and Midgap States in Random Quantum Master Equations journal December 2019
Universal spectra of random Lindblad operators text January 2018
Random Lindblad Dynamics text January 2019
Out-of-time-ordered correlation functions in open systems: A Feynman-Vernon influence functional approach text January 2019
Integrable and chaotic dynamics of spins coupled to an optical cavity text January 2019

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