Experimental determination of a nonclassical Glauber-Sudarshan P function

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dc.creatorKiesel, T.
dc.creatorVogel, W.
dc.creatorParigi, V.
dc.creatorZavatta, A.
dc.creatorBellini, M.
dc.date2008-04-07
dc.date2008-08-28
dc.date.accessioned2026-07-07T09:58:35Z
dc.date.available2026-07-07T09:58:35Z
dc.descriptionA quantum state is nonclassical if its Glauber-Sudarshan P function fails to be interpreted as a probability density. This quantity is often highly singular, so that its reconstruction is a demanding task. Here we present the experimental determination of a well-behaved P function showing negativities for a single-photon-added thermal state. This is a direct visualization of the original definition of nonclassicality. The method can be useful under conditions for which many other signatures of nonclassicality would not persist.
dc.description4 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/0804.1016
dc.identifierhttp://arxiv.org/abs/0804.1016
dc.identifierPhysical Review A 78, 021804 R (2008)
dc.identifierdoi:10.1103/PhysRevA.78.021804
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/167770
dc.subjectQuantum Physics
dc.titleExperimental determination of a nonclassical Glauber-Sudarshan P function
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