Non-adiabatic preparation of spin crystals with ultracold polar molecules

Details Non-adiabatic preparation of spin crystals with ultracold polar molecules Non-adiabatic preparation of spin crystals with ultracold polar molecules

2012-02-29

arxiv.org/abs/1203.0010v1

Physics

Condensed Matter

Quantum Gases

5 pages, 4 figures

Scientific paper

We study the growth dynamics of ordered structures of strongly interacting polar molecules in optical lattices. Using dipole blockade of microwave excitations, we map the system onto an interacting spin-1/2 model possessing ground states with crystalline order, and describe a way to prepare these states by non-adiabatically driving the transitions between molecular rotational levels. The proposed technique bypasses the need to cross a phase transition and allows for the creation of ordered domains of considerably larger size compared to approaches relying on adiabatic preparation.

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