Please use this identifier to cite or link to this item: https://doi.org/10.1088/0305-4470/33/27/310
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dc.titleBures fidelity for diagonalizable quadratic Hamiltonians in multi-mode systems
dc.contributor.authorWang, X.-B.
dc.contributor.authorKwek, L.C.
dc.contributor.authorOh, C.H.
dc.date.accessioned2014-10-16T09:17:15Z
dc.date.available2014-10-16T09:17:15Z
dc.date.issued2000-07-14
dc.identifier.citationWang, X.-B., Kwek, L.C., Oh, C.H. (2000-07-14). Bures fidelity for diagonalizable quadratic Hamiltonians in multi-mode systems. Journal of Physics A: Mathematical and General 33 (27) : 4925-4934. ScholarBank@NUS Repository. https://doi.org/10.1088/0305-4470/33/27/310
dc.identifier.issn03054470
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/95908
dc.description.abstractFidelity, as a measure of the distinguishability of states, is an important concept in quantum mechanics, quantum optics and quantum information theory. Recently, the explicit expressions of fidelity for single-mode squeezed states have been given. However, in experimental studies, especially in non-degenerate parametric down-conversion, two photons are generated and one studies two-or more-mode systems. In this paper we study the Bures fidelity for thermal states of a diagonalizable quadratic Hamiltonian in multi-mode Fock space. To the best of our knowledge, no one has yet attempted to give an explicit general formula of fidelity of mixed states in multi-mode systems.
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1088/0305-4470/33/27/310
dc.description.sourcetitleJournal of Physics A: Mathematical and General
dc.description.volume33
dc.description.issue27
dc.description.page4925-4934
dc.identifier.isiut000088540700011
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