1999
Dissipative dynamics of a kink state in a Bose-condensed gas
Publication
Publication
Phys. Rev. A , Volume 60 p. 3220- 3224
We develop a theory of dissipative dynamics of a kink state in a finite-temperature Bose-condensed gas. We find that, due to the interaction with the thermal cloud, the kink state accelerates towards the velocity of sound and continuously transforms to the ground-state condensate. We calculate the lifetime of a kink state in a trapped gas and discuss possible experimental implications.
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Fedichev, P. O, Muryshev, A. E, & Shlyapnikov, G. V. (1999). Dissipative dynamics of a kink state in a Bose-condensed gas. Phys. Rev. A, 60, 3220–3224.
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