83 citations · 480 across the 24 of their papers we have counts for
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cond-mat.quant-gas2009★ 5 cited
Induced interaction and crystallization of self-localized impurity fields in a Bose-Einstein condensate
Sergio Rica, David C. Roberts
We model the behavior of N classical impurity fields immersed in a larger Bose-Einstein condensate by N+1 coupled nonlinear Schrodinger equations in 1, 2, and 3 space dimensions. W…
cond-mat.quant-gas2009★ 51 cited
Drag force on an impurity below the superfluid critical velocity in a quasi-one-dimensional Bose-Einstein condensate
Andrew G. Sykes, Matthew J. Davis, David C. Roberts
The existence of frictionless flow below a critical velocity for obstacles moving in a superfluid is well established in the context of the mean-field Gross-Pitaevskii theory. We c…