Tuning the superfluid - Mott insulator transition in a resonantly strongly driven Bose - Einstein condensate in an optical lattice

Details Tuning the superfluid - Mott insulator transition in a resonantly strongly driven Bose - Einstein condensate in an optical lattice Tuning the superfluid - Mott insulator transition in a resonantly strongly driven Bose - Einstein condensate in an optical lattice

2005-04-21

arxiv.org/abs/cond-mat/0504564v1

Physics

Condensed Matter

Other Condensed Matter

Scientific paper

We have studied the superfluid - Mott insulator transition in a BEC confined in an optical lattice and driven by an additional external electromagnetic field, which excites another internal state. It is shown that due to resonant strong driving the critical values of the transition parameter depend on external field parameters (the Rabi frequency and the detuning from resonance) and can be tuned to a given value. It is also shown that for driven system there are two optical potential depths at a phase transition which are always more than without driving.

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