Entanglement entropy in long-range harmonic oscillators

dc.creatorNezhadhaghighi, M. Ghasemi
dc.creatorRajabpour, M. A.
dc.date.accessioned2013-11-07T10:41:07Z
dc.date.accessioned2018-07-04T16:24:46Z
dc.date.available2013-11-07T10:41:07Z
dc.date.available2018-07-04T16:24:46Z
dc.date.created2013-11-07T10:41:07Z
dc.date.issued2012
dc.identifierEPL, MULHOUSE, v. 100, n. 6, pp. 64-69, DEC, 2012
dc.identifier0295-5075
dc.identifierhttp://www.producao.usp.br/handle/BDPI/42907
dc.identifier10.1209/0295-5075/100/60011
dc.identifierhttp://dx.doi.org/10.1209/0295-5075/100/60011
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1635498
dc.description.abstractWe study the Von Neumann and Renyi entanglement entropy of long-range harmonic oscillators (LRHO) by both theoretical and numerical means. We show that the entanglement entropy in massless harmonic oscillators increases logarithmically with the sub-system size as S - c(eff)/3 log l. Although the entanglement entropy of LRHO's shares some similarities with the entanglement entropy at conformal critical points we show that the Renyi entanglement entropy presents some deviations from the expected conformal behaviour. In the massive case we demonstrate that the behaviour of the entanglement entropy with respect to the correlation length is also logarithmic as the short-range case. Copyright (c) EPLA, 2012
dc.languageeng
dc.publisherEPL ASSOCIATION, EUROPEAN PHYSICAL SOCIETY
dc.publisherMULHOUSE
dc.relationEPL
dc.rightsCopyright EPL ASSOCIATION, EUROPEAN PHYSICAL SOCIETY
dc.rightsrestrictedAccess
dc.titleEntanglement entropy in long-range harmonic oscillators
dc.typeArtículos de revistas


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