Collapse mechanism of the condensate wavefunction in the Bose-Fermi mixture with attraction between the components |
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| Authors: | A M Belemuk V N Ryzhov S T Chui |
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| Institution: | (1) Vereshchagin Institute of High-Pressure Physics, Russian Academy of Sciences, Troitsk, Moscow region, 142190, Russia;(2) Bartol Research Institute, University of Delaware, Newark, DE 19716, USA |
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| Abstract: | The ground state of the mixture of degenerate Bose and Fermi atoms in a trap has been analyzed on the basis of the effective Hamiltonian. The two types of the solutions of the modified Gross-Pitaevskii equation that correspond to the stationary and unstable states of the Bose gas have been found numerically. The chemical potential and energy are found as functions of the number of bosons for these two types of the solutions. The manyvalued character of these functions has been analyzed and the critical number of bosons at which the system collapse occurs has been determined. |
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