Alkaline-Earth-Metal Atoms as Few-Qubit Quantum Registers

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Alkaline-Earth-Metal Atoms as Few-Qubit Quantum Registers

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Title: Alkaline-Earth-Metal Atoms as Few-Qubit Quantum Registers
Author: Rey, Ana; Daley, Andrew; Boyd, Martin; Ye, Jun; Zoller, Peter; Gorshkov, Alexey Vyacheslavovich; Lukin, Mikhail D.

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Citation: Gorshkov, Alexey, Ana Rey, Andrew Daley, Martin Boyd, Jun Ye, Peter Zoller, and Mikhail Lukin. 2009. Alkaline-earth-metal atoms as few-qubit quantum registers. Physical Review Letters 102(11): 110503.
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Abstract: We propose and analyze a novel approach to quantum information processing, in which multiple qubits can be encoded and manipulated using electronic and nuclear degrees of freedom associated with individual alkaline-earth atoms trapped in an optical lattice. Specifically, we describe how the qubits within each register can be individually manipulated and measured with sub-wavelength optical resolution. We also show how such few-qubit registers can be coupled to each other in optical superlattices via conditional tunneling to form a scalable quantum network. Finally, potential applications to quantum computation and precision measurements are discussed.
Published Version: doi:10.1103/PhysRevLett.102.110503
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