Chaos, metastability and ergodicity in Bose-Hubbard superfluid circuits

Geva Arwas, Doron Cohen

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

The hallmark of superfluidity is the appearance of metastable flow-states that carry a persistent circulating current. Considering Bose-Hubbard superfluid rings, we clarify the role of "quantum chaos" in this context. We show that the standard Landau and Bogoliubov superfluidity criteria fail for such low-dimensional circuits. We also discuss the feasibility for a coherent operation of a SQUID-like setup. Finally, we address the manifestation of the strong many-body dynamical localization effect.

Original languageEnglish
Title of host publicationNuclei and Mesoscopic Physics 2017
EditorsVladimir Zelevinsky, Pawel Danielewicz
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735416048
DOIs
StatePublished - 7 Dec 2017
Event5th Conference on Nuclei and Mesoscopic Physics, NMP 2017 - East Lansing, United States
Duration: 6 Mar 201710 Mar 2017

Publication series

NameAIP Conference Proceedings
Volume1912
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference5th Conference on Nuclei and Mesoscopic Physics, NMP 2017
Country/TerritoryUnited States
CityEast Lansing
Period6/03/1710/03/17

ASJC Scopus subject areas

  • General Physics and Astronomy

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