Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevA.81.012116
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dc.titleSeparable states and geometric phases of an interacting two-spin system
dc.contributor.authorNiu, C.W.
dc.contributor.authorXu, G.F.
dc.contributor.authorLiu, L.
dc.contributor.authorKang, L.
dc.contributor.authorTong, D.M.
dc.contributor.authorKwek, L.C.
dc.date.accessioned2014-12-12T07:34:14Z
dc.date.available2014-12-12T07:34:14Z
dc.date.issued2010
dc.identifier.citationNiu, C.W., Xu, G.F., Liu, L., Kang, L., Tong, D.M., Kwek, L.C. (2010). Separable states and geometric phases of an interacting two-spin system. Physical Review A - Atomic, Molecular, and Optical Physics 81 (1) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.81.012116
dc.identifier.issn10502947
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/115928
dc.description.abstractIt is known that an interacting bipartite system evolves as an entangled state in general, even if it is initially in a separable state. Due to the entanglement of the state, the geometric phase of the system is not equal to the sum of the geometric phases of its two subsystems. However, there may exist a set of states in which the nonlocal interaction does not affect the separability of the states, and the geometric phase of the bipartite system is then always equal to the sum of the geometric phases of its subsystems. In this article, we illustrate this point by investigating a well-known physical model. We give a necessary and sufficient condition in which a separable state remains separable so that the geometric phase of the system is always equal to the sum of the geometric phases of its subsystems. © 2010 The American Physical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1103/PhysRevA.81.012116
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentCENTRE FOR QUANTUM TECHNOLOGIES
dc.description.doi10.1103/PhysRevA.81.012116
dc.description.sourcetitlePhysical Review A - Atomic, Molecular, and Optical Physics
dc.description.volume81
dc.description.issue1
dc.description.page-
dc.description.codenPLRAA
dc.identifier.isiut000274001500035
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