Quantum superpositions of crystalline structures

Jens D. Baltrusch, Cecilia Cormick, Gabriele De Chiara, Tommaso Calarco, Giovanna Morigi

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    23 Citations (Scopus)

    Abstract

    A procedure is discussed for creating coherent superpositions of motional states of ion strings. The motional states are across the structural transition linear-zigzag, and their coherent superposition is achieved by means of spin-dependent forces, such that a coherent superposition of the electronic states of one ion evolves into an entangled state between the chain's internal and external degrees of freedom. It is shown that the creation of such an entangled state can be revealed by performing Ramsey interferometry with one ion of the chain. © 2011 American Physical Society.
    Original languageEnglish
    Article number063821
    JournalPhysical Review A - Atomic, Molecular, and Optical Physics
    Volume84
    Issue number6
    DOIs
    Publication statusPublished - 8 Dec 2011

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