Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevA.79.042317
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dc.titleEntanglement and level crossings in frustrated ferromagnetic rings
dc.contributor.authorHaque, M.
dc.contributor.authorChandra, V.R.
dc.contributor.authorBandyopadhyay, J.N.
dc.date.accessioned2014-10-16T09:23:56Z
dc.date.available2014-10-16T09:23:56Z
dc.date.issued2009-04-01
dc.identifier.citationHaque, M., Chandra, V.R., Bandyopadhyay, J.N. (2009-04-01). Entanglement and level crossings in frustrated ferromagnetic rings. Physical Review A - Atomic, Molecular, and Optical Physics 79 (4) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.79.042317
dc.identifier.issn10502947
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/96480
dc.description.abstractWe study the entanglement content of a class of mesoscopic tunable magnetic systems. The systems are closed finite spin-1/2 chains with ferromagnetic nearest-neighbor interactions frustrated by antiferromagnetic next-nearest-neighbor interactions. The finite chains display a series of level crossings reflecting the incommensurate physics of the corresponding infinite-size chain. We present dramatic entanglement signatures characterizing these unusual level crossings. We focus on multispin and global measures of entanglement rather than only one-spin or two-spin entanglements. We compare and contrast the information obtained from these measures to that obtained from traditional condensed-matter quantities such as correlation functions. © 2009 The American Physical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1103/PhysRevA.79.042317
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1103/PhysRevA.79.042317
dc.description.sourcetitlePhysical Review A - Atomic, Molecular, and Optical Physics
dc.description.volume79
dc.description.issue4
dc.description.page-
dc.description.codenPLRAA
dc.identifier.isiut000265946900049
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