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The origin of the phase in the interference of Bose-Einstein condensates

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dc.contributor.authorMullin, WJ
dc.contributor.authorKrotkov, R
dc.contributor.authorLaloe, F
dc.date2023-09-22T21:51:45.000
dc.date.accessioned2024-04-26T20:05:06Z
dc.date.available2024-04-26T20:05:06Z
dc.date.issued2006-01-01
dc.descriptionThis is the pre-published version which is collected from arXiv. The published version is at http://ajp.aapt.org/resource/1/ajpias/v74/i10/p880_s1
dc.description.abstractWe consider the interference of two overlapping ideal Bose-Einstein condensates. The usual description of this phenomenon involves the introduction of a condensate wave function with a definite phase. We investigate the origin of this phase and the theoretical basis of treating interference. It is possible to construct a phase state for which the particle number is uncertain, but the phase is known. How such a state would be prepared before an experiment is not obvious. We show that a phase can also arise from experiments using condensates with known particle numbers. The analysis of measurements in such states also gives us a prescription for preparing phase states. The connection of this procedure to questions of spontaneously broken gauge symmetry and to hidden variables is discussed.
dc.description.pages880-887
dc.identifier.urihttps://hdl.handle.net/20.500.14394/40904
dc.relation.ispartofAMERICAN JOURNAL OF PHYSICS
dc.relation.urlhttps://scholarworks.umass.edu/cgi/viewcontent.cgi?article=1031&context=physics_faculty_pubs&unstamped=1
dc.source.issue10
dc.source.issue74
dc.source.statuspublished
dc.subjectPhysics
dc.titleThe origin of the phase in the interference of Bose-Einstein condensates
dc.typearticle
dc.typearticle
digcom.contributor.authorisAuthorOfPublication|email:mullin@physics.umass.edu|Mullin, WJ
digcom.contributor.authorKrotkov, R
digcom.contributor.authorLaloe, F
digcom.identifierphysics_faculty_pubs/32
digcom.identifier.contextkey1604590
digcom.identifier.submissionpathphysics_faculty_pubs/32
dspace.entity.typePublication
relation.isAuthorOfPublicationd425c4ec-8286-4d43-b023-e89b81dc1d78
relation.isAuthorOfPublication.latestForDiscoveryd425c4ec-8286-4d43-b023-e89b81dc1d78
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