Dresden 2020 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 23: Nonequilibrium Quantum Many-Body Systems 1 (joint session TT/DY)

TT 23.6: Vortrag

Dienstag, 17. März 2020, 10:45–11:00, HSZ 204

Thermalization of a two-species condensate — •Jan Louw1, Michael Kastner2, and Johannes Kriel21University of Goettingen, Goettingen, Germany — 2Stellenbosch University, Stellenbosch, South Africa

Motivated by recent experiments, we study the time evolution of a two-species Bose-Einstein condensate which is coupled to a bosonic bath. For the particular condensate, unconventional thermodynamics have recently been predicted. To study these thermal properties we find the conditions under which this open quantum system thermalizes---equilibrates to the Gibbs state describing the canonical ensemble. We do this in a semi-classical picture with corrections scaling with the inverse system size.

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