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Effect of Gravity on Collective Excitations of a Quasi Two-Dimensional Bose Einstein Condensate in an Anharmonic Trap |
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| Authors: | PD Anoop and Ramesh Babu Thayyullathil |
| Institution: | Department of Physics, Cochin University of Science and Technology, Cochin 682022, Kerala, India |
| Abstract: | Using variational method, the wave function of a quasi two-dimensionalBose-Einstein Condensate in an anharmonic trap is analyzed and the influence of gravity on the collective excitations is studied. It is found that the effect of gravity on the condensate has got crucial dependence on the anharmonicity of the trap. |
| Keywords: | Bose-Einstein condensation variational method collective excitations |
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