Effects of Quantum Coordinates on Condensate Density in a Trapped Bose-Einstein Condensate

Masahiko Okumura; Yoshiya Yamanaka

doi:10.1143/PTP.111.199

Effects of Quantum Coordinates on Condensate Density in a Trapped Bose-Einstein Condensate

Masahiko Okumura^*, Yoshiya Yamanaka

^*Corresponding author for this work

School of Fundamental Science and Engineering

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

6 Citations (Scopus)

Abstract

The effects of quantum coordinates associated with the Nambu-Goldstone mode in a trapped Bose-Einstein condensate are investigated at zero and finite temperatures. We develop a loop expansion and perform numerical calculations over a wide range of temperature, i.e., between zero and the critical temperatures. Our results are compared with those obtained in cases without the Nambu-Goldstone mode (the Bogoliubov approximation) and with the Nambu-Goldstone mode as a zero-energy particle mode.

Original language	English
Pages (from-to)	199-211
Number of pages	13
Journal	Progress of Theoretical Physics
Volume	111
Issue number	2
DOIs	https://doi.org/10.1143/PTP.111.199
Publication status	Published - 2004 Feb

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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abstract = "The effects of quantum coordinates associated with the Nambu-Goldstone mode in a trapped Bose-Einstein condensate are investigated at zero and finite temperatures. We develop a loop expansion and perform numerical calculations over a wide range of temperature, i.e., between zero and the critical temperatures. Our results are compared with those obtained in cases without the Nambu-Goldstone mode (the Bogoliubov approximation) and with the Nambu-Goldstone mode as a zero-energy particle mode.",

author = "Masahiko Okumura and Yoshiya Yamanaka",

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AB - The effects of quantum coordinates associated with the Nambu-Goldstone mode in a trapped Bose-Einstein condensate are investigated at zero and finite temperatures. We develop a loop expansion and perform numerical calculations over a wide range of temperature, i.e., between zero and the critical temperatures. Our results are compared with those obtained in cases without the Nambu-Goldstone mode (the Bogoliubov approximation) and with the Nambu-Goldstone mode as a zero-energy particle mode.

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Effects of Quantum Coordinates on Condensate Density in a Trapped Bose-Einstein Condensate

Abstract

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