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Quantum Computing with Neutral Atoms in an Optical Lattice
Ivan H. Deutsch1, Gavin K. Brennen1 and Poul S. Jessen2
1. Department of Physics and Astronomy, University of New Mexico, Albuquerque, New Mexico 87131
2. Optical Sciences Center, University of Arizona, Tucson, AZ 85721
We present a proposal for quantum information processing with neutral atoms trapped in optical lattices as qubits. Initialization and coherent control of single qubits can be achieved with standard laser cooling and spectroscopic techniques. We consider entangling two-qubit logic gates based on optically induced dipole-dipole interactions, calculating a figure-of-merit for various protocols. Massive parallelism intrinsic to the lattice geometry makes this an intriguing system for scalable, fault-tolerant quantum computation.