Effect of zero mode on the response of trapped bose-condensed atoms

M. Mine, T. Koide, M. Okumura, Y. Yamanaka

研究成果: Article

抜粋

The response of the trapped Bose-Einstein condensate (BEC) is investigated. We regard the BEC as a manifestation of the spontaneous breakdown of the global phase symmetry. Then, the Goldstone theorem leads to the existence of the zero energy excitation mode (zeromode). We calculate the effect of the zero-mode to the response frequency and show that the contribution of the zero-mode to the first excitation mode becomes dominant as the temperature and/or the coupling constant are increased.

元の言語English
ページ(範囲)211-212
ページ数2
ジャーナルJournal of Physics: Conference Series
31
発行部数1
DOI
出版物ステータスPublished - 2006 3 22

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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