Dark solitons in a one-dimensional condensate of hard core bosons

M. D. Girardeau, E. M. Wright

Research output: Contribution to journalArticlepeer-review

126 Scopus citations


The appearance of dark solitonlike structures was studied using the model of a one-dimensional (1D) hard-core. Bose gas in a toroidal trap, or ring. Stationary solutions were derived that reflect some properties of dark solitons from the Gross-Pitaevskii (GP) theory. Dynamical solutions were also obtained for the case when half of an initially homogeneous ring BEC is phase imprinted via the light-shift potential of an applied laser.

Original languageEnglish (US)
Pages (from-to)5691-5694
Number of pages4
JournalPhysical review letters
Issue number25
StatePublished - 2000

ASJC Scopus subject areas

  • General Physics and Astronomy


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