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arXiv · 1703.00825

Quantum hydrodynamic approximations to the finite temperature trapped Bose gases

Shi Jin·Minh-Binh Tran
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Abstract

For the quantum kinetic system modelling the Bose-Einstein Condensate that accounts for interactions between condensate and excited atoms, we use the Chapman-Enskog expansion to derive its hydrodynamic approximations, include both Euler and Navier-Stokes approximations. The hydrodynamic approximations describe not only the macroscopic behavior of the BEC but also its coupling with the non-condensates, which agrees with Landau's two fluid theory.

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Shi Jin, Minh-Binh Tran. 2017-03-01. Quantum hydrodynamic approximations to the finite temperature trapped Bose gases. https://doi.org/10.1016/j.physd.2018.06.003

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