{"title":"BOGOLIUBOV TRANSFORMATIONS AND QUANTUM DECOHERENCE IN AN ATOMIC BOSE-EINSTEIN CONDENSATE","authors":"T. Birol, Ö. E. Müstecaplioglu","doi":"10.2478/V10005-007-0014-Y","DOIUrl":null,"url":null,"abstract":"In this brief review, we discuss quantum decoherence of an atomic Bose-Einstein condensate using Bogoliubov transformation. In particular, condensate phase is introduced and its diusion is studied. Validity of the Bogoliubov prescription is investigated and restored via the condensate phase. Role of quantum state of the condensate on the phase collapse is examined. Relation between the uctuations in the condensate particle number and the dynamics of the condensate phase is claried.","PeriodicalId":249199,"journal":{"name":"Old and New Concepts of Physics","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Old and New Concepts of Physics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2478/V10005-007-0014-Y","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
In this brief review, we discuss quantum decoherence of an atomic Bose-Einstein condensate using Bogoliubov transformation. In particular, condensate phase is introduced and its diusion is studied. Validity of the Bogoliubov prescription is investigated and restored via the condensate phase. Role of quantum state of the condensate on the phase collapse is examined. Relation between the uctuations in the condensate particle number and the dynamics of the condensate phase is claried.
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