Nonclassicality criteria in terms of moments
Journal Article
·
· Physical Review. A
- Arbeitsgruppe Quantenoptik, Fachbereich Physik, Universitaet Rostock, D-18051 Rostock (Germany)
Criteria for the nonclassicality of a quantum state of the harmonic oscillator are formulated in terms of normally ordered moments of quadratures. Inequalities are obtained that are equivalent to the failure of the Glauber-Sudarshan P function to be a probability density. A possibility to measure the required moments is proposed.
- OSTI ID:
- 20650170
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 1 Vol. 71; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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