Berlin 2008 – wissenschaftliches Programm

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DY: Fachverband Dynamik und Statistische Physik

DY 2: Statistical physics I (general)

DY 2.2: Vortrag

Montag, 25. Februar 2008, 10:45–11:00, MA 001

Dynamics of the Bose-Einstein condensation: analogy with the collapse dynamics of a classical self-gravitating Brownian gas — •Julien Sopik¹, Clément Sire², and Pierre-Henri Chavanis² — ¹Jacobs University, Bremen, Germany — ²Laboratoire de Physique Théorique, Toulouse, France

We investigate the dynamical properties in momentum space of the condensation of a gas of free bosons strongly coupled with a thermal bath. Since the temperature is kept fixed, we describe the Bose-Einstein condensation in the canonical ensemble. The dynamics of this condensation process exhibits striking analogies with the collapse dynamics of a self-gravitating Brownian system. We discuss these similarities and we compare our results with those of other works.