Tunable disorder in a crystal of cold polar molecules

Details Tunable disorder in a crystal of cold polar molecules Tunable disorder in a crystal of cold polar molecules

2010-03-15

arxiv.org/abs/1003.3048v2

Phys. Rev. A 82, 033428 (2010)

Physics

Atomic Physics

Scientific paper

10.1103/PhysRevA.82.033428

In the present work, we demonstrate the possibility of controlling by an external field the dynamics of collective excitations (excitons) of molecules on an optical lattice. We show that a suitably chosen two-species mixture of ultracold polar molecules loaded on an optical lattice forms a phononless crystal, where exciton-impurity interactions can be controlled by applying an external electric field. This can be used for the controlled creation of many-body entangled states of ultracold molecules and the time-domain quantum simulation of disorder-induced localization and delocalization of quantum particles.

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