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Nonexponential decay of Bose-Einstein condensates: a numerical study based on the complex scaling method

Schlagheck, Peter ; Wimberger, S.

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We study the decay dynamics of an interacting Bose�Einstein condensate in the presence of a metastable trapping potential from which the condensate can escape via tunneling through finite barriers. The time-dependent decay process is reproduced by means of the instantaneous decay rates of the condensate at a given population of the quasi-bound state, which are calculated with the method of ...


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