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dc.contributor.authorIemini, F.
dc.contributor.authorRussomanno, A.
dc.contributor.authorKeeling, J.
dc.contributor.authorSchirò, M.
dc.contributor.authorDalmonte, M.
dc.contributor.authorFazio, R.
dc.identifier.citationIemini , F , Russomanno , A , Keeling , J , Schirò , M , Dalmonte , M & Fazio , R 2018 , ' Boundary time crystals ' , Physical Review Letters , vol. 121 , no. 3 , 035301 .
dc.identifier.otherPURE: 253402516
dc.identifier.otherPURE UUID: 0ece02ad-e80e-40d5-bc3c-032932ff50c5
dc.identifier.otherScopus: 85050394173
dc.identifier.otherORCID: /0000-0002-4283-552X/work/46761173
dc.identifier.otherWOS: 000438680500005
dc.descriptionThis work was supported in part by \Progetti Interni - Scuola Normale Superiore" (A.R.), EU- 691 QUIC (R.F. and A.R.), CRF Singapore Ministry of Education (CPR-QSYNC 692) (R.F.), EPSRC program TOPNES (EP/I031014/1) (J.K.).en
dc.description.abstractIn this work we introduce boundary time crystals. Here continuous time-translation symmetry breaking occurs only in a macroscopic fraction of a many-body quantum system. After introducing their definition and properties, we analyze in detail a solvable model where an accurate scaling analysis can be performed. The existence of the boundary time crystals is intimately connected to the emergence of a time-periodic steady state in the thermodynamic limit of a many-body open quantum system. We also discuss connections to quantum synchronization.
dc.relation.ispartofPhysical Review Lettersen
dc.rightsCopyright © 2018 American Physical Society. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at
dc.subjectQC Physicsen
dc.titleBoundary time crystalsen
dc.typeJournal articleen
dc.contributor.institutionUniversity of St Andrews.School of Physics and Astronomyen
dc.contributor.institutionUniversity of St Andrews.Condensed Matter Physicsen
dc.description.statusPeer revieweden

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