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cond-mat.quant-gas2017★ 30 cited
Collective excitation of a trapped Bose-Einstein condensate with spin-orbit coupling
Li Chen, Han Pu, Zeng-Qiang Yu +1
We investigate the collective excitations of a Raman-induced spin-orbit coupled Bose-Einstein condensate confined in a quasi one-dimension harmonic trap using the Bogoliubov method…
cond-mat.quant-gas2017★ 14 cited
Landau's criterion for an anisotropic Bose-Einstein condensate
Zeng-Qiang Yu
In this work, we discuss the Landau's criterion for anisotropic superfluidity. To this end, we consider a point-like impurity moving in a uniform Bose-Einstein condensate with eith…