Please use this identifier to cite or link to this item: https://doi.org/10.1209/0295-5075/81/40006
DC FieldValue
dc.titleSurvival of entanglement in thermal states
dc.contributor.authorMarkham, D.
dc.contributor.authorAnders, J.
dc.contributor.authorVedral, V.
dc.contributor.authorMurao, M.
dc.contributor.authorMiyake, A.
dc.date.accessioned2014-10-16T09:43:36Z
dc.date.available2014-10-16T09:43:36Z
dc.date.issued2008-02-01
dc.identifier.citationMarkham, D., Anders, J., Vedral, V., Murao, M., Miyake, A. (2008-02-01). Survival of entanglement in thermal states. EPL 81 (4) : -. ScholarBank@NUS Repository. https://doi.org/10.1209/0295-5075/81/40006
dc.identifier.issn02955075
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/98151
dc.description.abstractWe present a general sufficiency condition for the presence of multipartite entanglement in thermal states stemming from the ground-state entanglement. The condition is written in terms of the ground-state entanglement and the partition function and it gives transition temperatures below which entanglement is guaranteed to survive. It is flexible and can be easily adapted to consider entanglement for different splittings, as well as be weakened to allow easier calculations by approximations. Examples where the condition is calculated are given. These examples allow us to characterize a minimum gapping behavior for the survival of entanglement in the thermodynamic limit. Further, the same technique can be used to find noise thresholds in the generation of useful resource states for one-way quantum computing. © Europhysics Letters Association.
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1209/0295-5075/81/40006
dc.description.sourcetitleEPL
dc.description.volume81
dc.description.issue4
dc.description.page-
dc.identifier.isiut000252884600006
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