The condition for existence of complex modes in trapped Bose-Einstein condensate with a highly quantized vortex

Tomoka Sunaga, Eriko Fukuyama, Makoto Mine, Masahiko Okumura, Yoshiya Yamanaka

研究成果: Article

2 引用 (Scopus)

抜粋

We consider a trapped Bose-Einstein condensate with a highly quantized vortex. Pu et al. found numerically the parameter region in which complex eigenvalues arise. Recently, the splitting of a highly quantized vortex into two singly quantized vortices is observed in the experiment. We derive analytically the condition for the existence of complex eigenvalues by using the small coupling constant expansion and the two-mode approximation. We check that our results agree with those by Pu et al.

元の言語English
ページ(範囲)381-386
ページ数6
ジャーナルJournal of Low Temperature Physics
148
発行部数3-4
DOI
出版物ステータスPublished - 2007 8 1

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics

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