Nonnegative mixed states in Weyl–Wigner–Moyal theory

dc.creator	Gracia Bondía, José M.
dc.creator	Várilly Boyle, Joseph C.
dc.date.accessioned	2022-04-07T21:44:21Z
dc.date.available	2022-04-07T21:44:21Z
dc.date.issued	1988-03-21
dc.identifier.citation	https://www-sciencedirect-com/science/article/pii/0375960188910353	es_ES
dc.identifier.issn	0375-9601
dc.identifier.uri	https://hdl.handle.net/10669/86434
dc.description.abstract	We classify the gaussian Wigner functions corresponding to mixed states and show that, unlike the case of pure states, not all nonnegative mixed states are gaussian.	es_ES
dc.description.sponsorship	Universidad de Costa Rica/[]/UCR/Costa Rica	es_ES
dc.language.iso	eng	es_ES
dc.source	Physics Letters A, vol.128(1-2),pp.20-24.	es_ES
dc.subject	Phase-space quantum mechanics	es_ES
dc.subject	Weyl-Wigner-Moyal theory	es_ES
dc.subject	Quantum state	es_ES
dc.title	Nonnegative mixed states in Weyl–Wigner–Moyal theory	es_ES
dc.type	artículo original	es_ES
dc.identifier.doi	10.1016/0375-9601(88)91035-3
dc.description.procedence	UCR::Vicerrectoría de Docencia::Ciencias Básicas::Facultad de Ciencias::Escuela de Matemática	es_ES