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cond-mat.stat-mech2005
Subsonic critical velocity at finite temperature
Patrick Navez, Robert Graham
Based on the dielectric formalism in the generalised random phase approximation, we generalise the description of a Bose condensed gas to allow for a relative velocity between the…
cond-mat.stat-mech2003★ 7 cited
Collisionless dynamics of the condensate predicted in the random phase approximation
Patrick Navez
From the microscopic theory, we derive a number conserving quantum kinetic equation, valid for a dilute Bose gas at any temperature, in which the binary collisions between the quas…