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Quantum Chemistry

Freezing distributed entanglement in spin chains

arXiv

Authors: Irene D'Amico, Brendon W. Lovett, Timothy P. Spiller

Year

2007

Paper ID

49311

Status

Preprint

Abstract Read

~2 min

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Abstract

We show how to freeze distributed entanglement that has been created from the natural dynamics of spin chain systems. The technique that we propose simply requires single-qubit operations and isolates the entanglement in specific qubits at the ends of branches. Such frozen entanglement provides a useful resource, for example for teleportation or distributed quantum processing. The scheme can be applied to a wide range of systems - including actual spin systems and alternative qubit embodiments in strings of quantum dots, molecules or atoms.

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This paper contributes to the Quantum Chemistry research area in the Quantum Articles archive.
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We show how to freeze distributed entanglement that has been created from the natural dynamics of spin chain systems.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:0708.2794 [2] arXiv https://arxiv.org/abs/0708.2794 [3] Publisher https://arxiv.org/abs/0708.2794

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