Second-order correlation function of a phase fluctuating Bose-Einstein condensate

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dc.identifier.uri Cacciapuoti, L. Hellweg, D. Kottke, M. Schulte, T. Ertmer, Wolfgang Arlt, Jan J. Sengstock, K. Santos, Luis Lewenstein, M. 2018-05-09T11:40:25Z 2018-05-09T11:40:25Z 2003
dc.identifier.citation Cacciapuoti, L.; Hellweg, D.; Kottke, M.; Schulte, T.; Ertmer, W. et al.: Second-order correlation function of a phase fluctuating Bose-Einstein condensate. In: Physical Review A 68 (2003), Nr. 5, 10. DOI:
dc.description.abstract The coherence properties of phase fluctuating Bose-Einstein condensates are studied both theoretically and experimentally. We derive a general expression for the N-particle correlation function of a condensed Bose gas in a highly elongated trapping potential. The second-order correlation function is analyzed in detail, and an interferometric method to directly measure it is discussed and experimentally implemented. Using a Bragg diffraction interferometer, we measure intensity correlations in the interference pattern generated by two spatially displaced copies of a parent condensate. Our experiment demonstrates how to characterize the second-order correlation function of a highly elongated condensate and to measure its phase coherence length. © 2003 The American Physical Society. eng
dc.language.iso eng
dc.publisher American Physical Society
dc.relation.ispartofseries Physical Review A 68 (2003), Nr. 5
dc.rights Es gilt deutsches Urheberrecht. Das Dokument darf zum eigenen Gebrauch kostenfrei genutzt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden.
dc.subject Bose-Einstein condensates eng
dc.subject correlation function eng
dc.subject Bragg diffraction interferometer eng
dc.subject.ddc 530 | Physik ger
dc.title Second-order correlation function of a phase fluctuating Bose-Einstein condensate
dc.type article
dc.type Text
dc.relation.issn 1050-2947
dc.bibliographicCitation.issue 5
dc.bibliographicCitation.volume 68
dc.bibliographicCitation.firstPage 10
dc.description.version publishedVersion
tib.accessRights frei zug�nglich

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