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Controlled exchange interaction between pairs of neutral atoms in an optical lattice

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  • Marco Anderlini

    (Joint Quantum Institute, National Institute of Standards and Technology and University of Maryland, Gaithersburg, Maryland 20899, USA
    Present addresses: INFN sezione di Firenze, Via Sansone 1, I-50019 Sesto Fiorentino, Florence, Italy (M.A.); Honeywell Aerospace, 12001 State Highway 55, Plymouth, Minnesota 55441, USA (J.S.-S.).)

  • Patricia J. Lee

    (Joint Quantum Institute, National Institute of Standards and Technology and University of Maryland, Gaithersburg, Maryland 20899, USA)

  • Benjamin L. Brown

    (Joint Quantum Institute, National Institute of Standards and Technology and University of Maryland, Gaithersburg, Maryland 20899, USA)

  • Jennifer Sebby-Strabley

    (Joint Quantum Institute, National Institute of Standards and Technology and University of Maryland, Gaithersburg, Maryland 20899, USA
    Present addresses: INFN sezione di Firenze, Via Sansone 1, I-50019 Sesto Fiorentino, Florence, Italy (M.A.); Honeywell Aerospace, 12001 State Highway 55, Plymouth, Minnesota 55441, USA (J.S.-S.).)

  • William D. Phillips

    (Joint Quantum Institute, National Institute of Standards and Technology and University of Maryland, Gaithersburg, Maryland 20899, USA)

  • J. V. Porto

    (Joint Quantum Institute, National Institute of Standards and Technology and University of Maryland, Gaithersburg, Maryland 20899, USA)

Abstract

Entangling atom pairs Controlled two-particle interaction is a fundamental requirement for quantum computing, and achieving it has long been a goal for research on neutral atom systems. Anderlini et al. have used a system, consisting of arrays of paired ultracold rubidium-87 atoms in an optical lattice of double-well potentials, to induce controlled entangling interactions within each atom pair. Repeated interchange of spin between atoms occupying different vibrational levels occurs with a coherence time of more than ten milliseconds. This demonstrates an essential component of a quantum gate.

Suggested Citation

  • Marco Anderlini & Patricia J. Lee & Benjamin L. Brown & Jennifer Sebby-Strabley & William D. Phillips & J. V. Porto, 2007. "Controlled exchange interaction between pairs of neutral atoms in an optical lattice," Nature, Nature, vol. 448(7152), pages 452-456, July.
    • Handle: RePEc:nat:nature:v:448:y:2007:i:7152:d:10.1038_nature06011
    DOI: 10.1038/nature06011
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    Cited by:

    1. Barrios, Alan J. & Valdés-Hernández, Andrea & Sevilla, Francisco J., 2022. "Dynamics of mode entanglement induced by particle-tunneling in the extended Bose–Hubbard dimer model," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 600(C).

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