Vol. 24 No. 4 (2014)
Papers

Phase Structure of Bose - Einstein Condensate in Ultra - Cold Bose Gases

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  • Tran Huu Phat,
  • Le Viet Hoa,
  • Dang Thi Minh Hue
Tran Huu Phat
Vietnam Atomic Energy Institute, 59 Ly Thuong Kiet, Hanoi, Vietnam
Le Viet Hoa
Department of Physics, Hanoi University of Education, 136 Xuan Thuy, Cau Giay, Hanoi, Vietnam
Dang Thi Minh Hue
Vietnam Atomic Energy Institute, 59 Ly Thuong Kiet, Hanoi, Vietnam
DOI: https://doi.org/10.15625/0868-3166/24/4/5041

Published 13-03-2015

How to Cite

Phat, T. H., Hoa, L. V., & Hue, D. T. M. (2015). Phase Structure of Bose - Einstein Condensate in Ultra - Cold Bose Gases. Communications in Physics, 24(4), 343. https://doi.org/10.15625/0868-3166/24/4/5041
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Abstract

The Bose - Einstein condensation of ultra - cold Bose gases is studied by means of the Cornwall - Jackiw - Tomboulis effective potential approach in the improved double - bubble approximation which preserves the Goldstone theorem. The phase structure of Bose - Einstein condensate associating with two different types of phase transition is systematically investigated. Its main feature is that the symmetry which was broken at zero temperature gets restore at higher temperature.
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