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Non-equilibrium dynamics: Studies of reflection of Bose-Einstein condensates

R. G. Scott·C. W. Gardiner·D. A. W. Hutchinson
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Abstract

The study of the non-equilibrium dynamics in Bose-Einstein condensed gases has been dominated by the zero-temperature, mean field Gross-Pitaevskii formalism. Motivated by recent experiments on the reflection of condensates from silicon surfaces, we revisit the so-called {\em classical field} description of condensate dynamics, which incorporates the effects of quantum noise and can also be generalized to include thermal effects. The noise is included in a stochastic manner through the initial conditions. We show that the inclusion of such noise is important in the quantitative description of the recent reflection experiments.

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R. G. Scott, C. W. Gardiner, D. A. W. Hutchinson. 2006-11-10. Non-equilibrium dynamics: Studies of reflection of Bose-Einstein condensates. https://doi.org/10.1134/s1054660x07040354

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