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quant-ph2016★ 17 cited
Casimir-Polder shifts on quantum levitation states
P. -P. Crépin, G. Dufour, R. Guérout +2
An ultracold atom above a horizontal mirror experiences quantum reflection from the attractive Casimir-Polder interaction, which holds it against gravity and leads to quantum levit…
cond-mat.quant-gas2016★ 2 cited
Hydrodynamic spectrum of a superfluid in an elongated trap
Pierre-Philippe Crépin, Xavier Leyronas, Frédéric Chevy
--In this article we study the hydrodynamic spectrum of a superfluid confined in a cylindrical trap. We show that the dispersion relation (q) of the phonon branch scales like $\…