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Measurement of the Temperature Dependence of the Casimir-Polder Force
J. M. Obrecht, R. J. Wild, M. Antezza +3
We report on the first measurement of a temperature dependence of the Casimir-Polder force. This measurement was obtained by positioning a nearly pure 87-Rb Bose-Einstein condensat…
Casimir-Lifshitz force out of thermal equilibrium and asymptotic non-additivity
Mauro Antezza, Lev P. Pitaevskii, Sandro Stringari +1
We investigate the force acting between two parallel plates held at different temperatures. The force reproduces, as limiting cases, the well known Casimir-Lifshitz surface-surface…
Stability and excitations of solitons in 2D Bose-Einstein condensates
S. Tsuchiya, F. Dalfovo, C. Tozzo +1
The small oscillations of solitons in 2D Bose-Einstein condensates are investigated by solving the Kadomtsev-Petviashvili equation which is valid when the velocity of the soliton a…
Dark solitons as quasiparticles in trapped condensates
V. A. Brazhnyi, V. V. Konotop, L. P. Pitaevskii
We present a theory of dark soliton dynamics in trapped quasi-one-dimensional Bose-Einstein condensates, which is based on the local density approximation. The approach is applicab…