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The Optimal Pure Gaussian State Canonically Associated to a Gaussian Quantum State
Ansvarlig organisasjon
2004 (engelsk)Inngår i: Physics Letters A, ISSN 0375-9601, E-ISSN 1873-2429, Vol. 330, nr 3-4, s. 161-167Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We show, using the symplectically invariant notion of 'quantum blob', that it is possible to attach a canonical optimal Gaussian pure state to an arbitrary quantum state. When at least one pair of conjugate variables satisfies the minimum uncertainty condition, then the associated Gaussian is uniquely determined up to an overall phase factor. (C) 2004 Elsevier B.V. All rights reserved

sted, utgiver, år, opplag, sider
Amsterdam: Elsevier , 2004. Vol. 330, nr 3-4, s. 161-167
Emneord [en]
symplectic camel, uncertainty, Gaussian state, Wigner function, quantum blob
HSV kategori
Identifikatorer
URN: urn:nbn:se:bth-8348ISI: 000223962300006Lokal ID: oai:bth.se:forskinfoD43E2A0208C2BF41C12575040058BC22OAI: oai:DiVA.org:bth-8348DiVA, id: diva2:836058
Tilgjengelig fra: 2012-09-18 Laget: 2008-11-17 Sist oppdatert: 2017-12-04bibliografisk kontrollert

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