Ground State Properties of a Toroidally Trapped Bose-Einstein Condensate.

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  • Tsurumi Takeya
    Department of Physics, Graduate School of Science, University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-0033
  • Wadati Miki
    Department of Physics, Graduate School of Science, University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-0033

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説明

Ground state properties of a toroidally trapped Bose-Einstein condensate are investigated analytically. Through the variational approach, effects of the geometrical curvature and the inter-atomic interaction are taken into consideration. It is shown that the curvature lowers the ground state energy, and that the condensate is attracted towards the axis of symmetry of the torus.

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