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Abstract

We present a review of the neutral atom optical lattice quantum computer [Brennen et al., Phys. Rev. Lett. 82, 1060 (1999)] , which uses a laser mediated dipole-dipole coupling between the nearby atoms in an optical lattice to effect a quantum logic gate. Effectively the model creates a periodic array of two qubit (diatomic) systems, and should be considered as a kind of ensemble quantum computer operating at very low temperature.