Stability of multicomponent Bose gases – Niels Bohr Institute - University of Copenhagen

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Niels Bohr Institute > Calendar > 2009 > Stability of multicomp...

Stability of multicomponent Bose gases

A generalization of well-known renormalization group approach for
dilute low-dimensional Bose gas to the case of multicomponent systems
allows one to obtain some nontrivial results concerning the stability
of Bose mixtures.

For inequivalent species, the stability conditions exhibit strong
deviations from mean-field results.
Remarkably, novel phases with partial phase separation (or partial
collapse) appear in a certain window of inter-species interaction and
density.

Talk by Alexei Kolezhuk