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The Excitation Spectrum for Weakly Interacting Bosons
Probability| Speaker: | Robert Seiringer, McGill University |
| Location: | 1147 MSB |
| Start time: | Wed, Feb 23 2011, 4:10PM |
Description
We investigate the low energy excitation spectrum of a Bose gas
with weak, long range repulsive interactions. In particular, we prove that
the Bogoliubov spectrum of elementary excitations with linear dispersion
relation for small momentum becomes exact in the mean-field limit.