An Evaluation of Temperature Dependent Mean Energies of Excitation of Bose-Einstein Condensate

Author(s): Mundrika Mistry and L. K. Mishra

Using the gapless second-order theory, the excitation energies and dynamics of the collective excitation for a partially condensed harmonic trapped quasi two dimensional bosonic gas has been studied. Our evaluated result for temperature dependent mean-energies show that the Kohn theorem is quite accurately satisfied for temperature T < 0.8 Tc.

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