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

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

doi:10.1088/1742-6596/31/1/058

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

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

Research output: Contribution to journal › Article › peer-review

Abstract

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.

Original language	English
Pages (from-to)	211-212
Number of pages	2
Journal	Journal of Physics: Conference Series
Volume	31
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/31/1/058
Publication status	Published - 2006 Mar 22

ASJC Scopus subject areas

Physics and Astronomy(all)

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AB - 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.

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

Abstract

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