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Reversible quantum information spreading in many-body systems near criticality

Hummel, Quirin, Geiger, Benjamin , Urbina, Juan Diego and Richter, Klaus (2018) Reversible quantum information spreading in many-body systems near criticality. arXiv.org. (Submitted)

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Date of publication of this fulltext: 22 Jan 2019 13:01

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Abstract

Quantum chaotic interacting N-particle systems are assumed to show fast and irreversible spreading of quantum information on short (Ehrenfest) time scales ∼logN. Here we show that, near criticality, certain many-body systems exhibit fast initial scrambling, followed subsequently by oscillatory behavior between reentrant localization and delocalization of information in Hilbert space. ...

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Item type:Article
Date:21 December 2018
Additional Information (public):Submitted to PRL
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Richter > Group Klaus Richter
Projects:Ri681/14-1
Identification Number:
ValueType
1812.09237arXiv ID
Keywords:criticality, many-body physics, semiclassical physics, out-of-time-ordered correlator, information scrambling
Dewey Decimal Classification:500 Science > 530 Physics
Status:Submitted
Refereed:No, this version has not been refereed yet (as with preprints)
Created at the University of Regensburg:Yes
Item ID:38220
Owner only: item control page

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