Depletion of superfluid fraction in the quasi-two-dimensional Bose gas

Milton Walter Cole, Flavio Toigo

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

A theory is presented for the depletion of superfluid density in a low-temperature Bose gas adsorbed on a surface. Longitudinal excitations are treated in a Bogoliubov type of approximation. Transverse modes are found to contribute significantly if the excitation energy of adatoms normal to the surface is small.

Original languageEnglish (US)
Pages (from-to)5463-5465
Number of pages3
JournalPhysical Review B
Volume46
Issue number9
DOIs
StatePublished - Jan 1 1992

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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