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Many-Body Quantum Interference and the Saturation of Out-of-Time-Order Correlators

Rammensee, Josef, Urbina, Juan Diego and Richter, Klaus (2018) Many-Body Quantum Interference and the Saturation of Out-of-Time-Order Correlators. Physical Review Letters (PRL) 121 (12), p. 124101.

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Abstract

Out-of-time-order correlators (OTOCs) have been proposed as sensitive probes for chaos in interacting quantum systems. They exhibit a characteristic classical exponential growth, but saturate beyond the so-called scrambling or Ehrenfest time τE in the quantum correlated regime. Here we present a path-integral approach for the entire time evolution of OTOCs for bosonic N-particle systems. We first ...

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Item type:Article
Date:20 September 2018
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Richter > Group Klaus Richter
Projects:Ri 681/14-1
Identification Number:
ValueType
10.1103/PhysRevLett.121.124101DOI
1805.06377arXiv ID
Keywords:Out-of-time-order correlator, many-body, semiclassics, chaos, Ehrenfest time, scrambling
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:37749

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