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University of Birmingham > Talks@bham > Cold Atoms > Bose-Einstein Condensation and Many-Body Localization with Polar Molecules
Bose-Einstein Condensation and Many-Body Localization with Polar MoleculesAdd to your list(s) Download to your calendar using vCal
If you have a question about this talk, please contact Vincent Boyer. I shall describe some theoretical studies of the collective dynamics of rotational excitations of polar molecules loaded into an optical lattice in two dimensions. These excitations behave as hard-core bosons with a relativistic energy dispersion arising from the dipolar coupling between molecules. This has interesting consequences for the collective many-body phases. The rotational excitations can form a Bose-Einstein condensate at non-zero temperature, manifesting itself as a divergent T2 coherence time of the rotational transition even in the presence of inhomogeneous broadening. The dynamical evolution of a dense gas of rotational excitations shows regimes of non-ergodicity, characteristic of many-body localization and localization protected quantum order. This talk is part of the Cold Atoms series. This talk is included in these lists:Note that ex-directory lists are not shown. |
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