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Low-density expansions for the homogeneous dipolar Bose gas at zero temperature

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dc.contributor.authorAlexander Yu. Cherny-
dc.date.available2020-01-31T00:51:57Z-
dc.date.created2020-01-14-
dc.date.issued2019-12-
dc.identifier.issn2469-9926-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/6761-
dc.description.abstractThe low-density expansions for the energy, chemical potential, and condensate depletion of the homogeneous dilute dipolar Bose gas are obtained by regularizing the dipole-dipole interaction at long distances. It is shown that the leading term, proportional to the density, allows a simple physical interpretation and consistently describes the thermodynamic stability of the system. The long-range asymptotics are obtained analytically for the normal and anomalous one-particle correlation functions and the pair distribution function. We discuss the properties of the two-body scattering with zero relative momentum for the dipole-dipole interaction; in particular, we derive the asymptotics of the wave function and a correction to the scattering length for small values of the dipolar range. We show how the density expansions can be derived within the Bogoliubov model of weakly interacting particles without any divergence from the assumption of universality of the expansions at low densities. ©2019 American Physical Society-
dc.language영어-
dc.publisherAMER PHYSICAL SOC-
dc.titleLow-density expansions for the homogeneous dipolar Bose gas at zero temperature-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000504428800014-
dc.identifier.scopusid2-s2.0-85077232405-
dc.identifier.rimsid71137-
dc.contributor.affiliatedAuthorAlexander Yu. Cherny-
dc.identifier.doi10.1103/PhysRevA.100.063631-
dc.identifier.bibliographicCitationPhysical Review a, v.100, no.6, pp.063631-
dc.relation.isPartOfPhysical Review a-
dc.citation.titlePhysical Review a-
dc.citation.volume100-
dc.citation.number6-
dc.citation.startPage063631-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalWebOfScienceCategoryOptics-
dc.relation.journalWebOfScienceCategoryPhysics, Atomic, Molecular & Chemical-
dc.subject.keywordPlusRANGE PARTICLE CORRELATIONS-
dc.subject.keywordPlusDROPLETS-
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > 1. Journal Papers (저널논문)
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