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Two-term expansion of the ground state one-body density matrix of a mean-field Bose gas

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dc.abstract.enWe consider the homogeneous Bose gas on a unit torus in the mean-field regime when the interaction strength is proportional to the inverse of the particle number. In the limit when the number of particles becomes large, we derive a two-term expansion of the one-body density matrix of the ground state. The proof is based on a cubic correction to Bogoliubov’s approximation of the ground state energy and the ground state.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorNam, Phan Thành
dc.contributor.authorNapiórkowski, Marcin
dc.date.accessioned2024-01-26T11:08:52Z
dc.date.available2024-01-26T11:08:52Z
dc.date.copyright2021-04-27
dc.date.issued2021
dc.description.accesstimeAT_PUBLICATION
dc.description.financePublikacja bezkosztowa
dc.description.number3
dc.description.versionFINAL_PUBLISHED
dc.description.volume60
dc.identifier.doi10.1007/S00526-021-01954-2
dc.identifier.issn0944-2669
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/123951
dc.identifier.weblinkhttps://link.springer.com/content/pdf/10.1007/s00526-021-01954-2.pdf
dc.languageeng
dc.pbn.affiliationphysical sciences
dc.relation.ispartofCalculus of Variations and Partial Differential Equations
dc.relation.pages99
dc.rightsCC-BY
dc.sciencecloudnosend
dc.titleTwo-term expansion of the ground state one-body density matrix of a mean-field Bose gas
dc.typeJournalArticle
dspace.entity.typePublication