Quantum Phase Transitions and Optical Lattice Emulators

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Cold atomic gases in optical lattices are emerging as excellent laboratories for testing models of strongly interacting particles in
condensed matter physics. It is possible to tune the interactions,
dimensionality, spin, statistics and a host of other variables in a
completely disorder free environment. This has opened up unique possibilities of mapping out phase diagrams of quantum models and
observing quantum phase transitions for the very first time. I will
discuss some of the challenges in this field.