Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.12104/66575
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dc.contributor.authorRigas, I.
dc.contributor.authorSanchez-Soto, L.L.
dc.contributor.authorKlimov, Andrei B.
dc.contributor.authorRehacek, J.
dc.contributor.authorHradil, Z.
dc.date.accessioned2015-11-19T18:51:25Z-
dc.date.available2015-11-19T18:51:25Z-
dc.date.issued2010
dc.identifier.urihttp://hdl.handle.net/20.500.12104/66575-
dc.description.abstractThe Wigner function of a pure continuous-variable quantum state is non-negative if and only if the state is Gaussian. Here we show that for the canonical pair angle and angular momentum, the only pure states with non-negative Wigner functions are the eigenstates of the angular momentum. Some implications of this surprising result are discussed. © 2010 The American Physical Society.
dc.titleNon-negative Wigner functions for orbital angular momentum states
dc.typeArticle
dc.identifier.doi10.1103/PhysRevA.81.012101
dc.relation.ispartofjournalPhysical Review A - Atomic, Molecular, and Optical Physics
dc.relation.ispartofvolume81
dc.relation.ispartofissue1
dc.contributor.affiliationRigas, I., Departamento de Óptica, Facultad de Física, Universidad Complutense, E-28040 Madrid, Spain; Sánchez-Soto, L.L., Departamento de Óptica, Facultad de Física, Universidad Complutense, E-28040 Madrid, Spain; Klimov, A.B., Departamento de Física, Universidad de Guadalajara, 44420 Guadalajara, Jalisco, Mexico; R̈eháček, J., Department of Optics, Palacký University, 17. listopadu 50, CZ-772 00 Olomouc, Czech Republic; Hradil, Z., Department of Optics, Palacký University, 17. listopadu 50, CZ-772 00 Olomouc, Czech Republic
dc.contributor.affiliationKlimov, Andrei B., Universidad de Guadalajara. Centro Universitario de Ciencias Exactas e Ingenierías
dc.relation.isReferencedByScopus
dc.relation.isReferencedByWOS
dc.identifier.urlhttp://www.scopus.com/inward/record.url?eid=2-s2.0-73549095727&partnerID=40&md5=4301c28495be7d3746d08a10a12d06b2
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