Macroscopic Superpositions of Phase States with Bose-Einstein Condensates

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dc.creatorPiazza, F.
dc.creatorPezze', L.
dc.creatorSmerzi, A.
dc.date2008-03-17
dc.date2008-11-06
dc.date.accessioned2026-07-07T10:15:33Z
dc.date.available2026-07-07T10:15:33Z
dc.descriptionQuantum superpositions of macroscopically distinguishable states having distinct phases can be created with a Bose-Einstein condensate trapped in a periodic potential. The experimental signature is contained in the phase distribution of the interference patterns obtained after releasing the traps. Moreover, in the double well case, this distribution exhibits a dramatic dependence on the parity of the total number of atoms. We finally show that, for single well occupations up to a few hundred atoms, the macroscopic quantum superposition can be robust enough against decoherence to be experimentally revealable within current technology.
dc.identifierhttps://arxiv.org/abs/0803.2265
dc.identifierhttp://arxiv.org/abs/0803.2265
dc.identifierPhys. Rev. A 78, 051601 (2008)
dc.identifierdoi:10.1103/PhysRevA.78.051601
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/173206
dc.subjectOther Condensed Matter
dc.titleMacroscopic Superpositions of Phase States with Bose-Einstein Condensates
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