Stratification of Moving Multicomponent Bose-Einstein Condensates

A mixture of the multicomponent Bose-Einstein condensate is considered, where each component moves with its own velocity. As a result of the relative motion, the mixture stratifies when the relative velocity reaches a critical value. Stability conditions f

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002 anJ 41 ]chem-tats.tam-dnoc[ 1v4321040/tam-dnco:viXraStrati cationofMovingMulticomponent

Bose-EinsteinCondensates

V.I.Yukalov1andE.P.Yukalova2

1

BogolubovLaboratoryofTheoreticalPhysics

JointInstituteforNuclearResearch,Dubna141980,Russia2DepartmentofComputationalPhysicsLaboratoryofInformationTechnologies

JointInstituteforNuclearResearch,Dubna141980,Russia

Abstract

AmixtureofthemulticomponentBose-Einsteincondensateisconsidered,whereeachcomponentmoveswithitsownvelocity.Asaresultoftherelativemotion,themixturestrati eswhentherelativevelocityreachesacriticalvalue.Stabilityconditionsforabinarymovingmixturearederivedandthecriticalvelocityisfound.

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