111 citations · 388 across the 8 of their papers we have counts for
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cond-mat.other2004★ 16 cited
Emergence of superfluid transport in a dynamical system of ultracold atoms
Joachim Brand, Andrey R. Kolovsky
The dynamics of a Bose-Einstein condensate is studied theoretically in a combined periodic plus harmonic external potential. Different dynamical regimes of stable and unstable coll…
cond-mat.other2004★ 48 cited
The Dynamic Structure Factor of the 1D Bose Gas near the Tonks-Girardeau Limit
Joachim Brand, Alexander Yu. Cherny
While the 1D Bose gas appears to exhibit superfluid response under certain conditions, it fails the Landau criterion according to the elementary excitation spectrum calculated by L…