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cond-mat.quant-gas2019★ 2 cited
Effective temperature of a superfluid flowing in a random potential
Taiki Haga, Masahito Ueda
The spatial fluctuations of a superfluid flowing in a weak random potential are investigated. We employ classical field theory to demonstrate that the disorder-averaged nonequilibr…
cond-mat.quant-gas2016
Bogoliubov Theory for a Superfluid Bose Gas Flowing in a Random Potential: Stability and Critical Velocity
Taiki Haga
We investigate the stability and critical velocity of a weakly interacting Bose gas flowing in a random potential. By applying the Bogoliubov theory to a disordered Bose system wit…