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Trapped Ion Quantum Computing

Dissipative preparation of entanglement in optical cavities

arXiv
Authors: M. J. Kastoryano, F. Reiter, A. S. Sørensen

Year

2010

Paper ID

10549

Status

Preprint

Abstract Read

~2 min

Abstract Words

108

Citations

N/A

Abstract

We propose a novel scheme for the preparation of a maximally entangled state of two atoms in an optical cavity. Starting from an arbitrary initial state, a singlet state is prepared as the unique fixed point of a dissipative quantum dynamical process. In our scheme, cavity decay is no longer undesirable, but plays an integral part in the dynamics. As a result, we get a qualitative improvement in the scaling of the fidelity with the cavity parameters. Our analysis indicates that dissipative state preparation is more than just a new conceptual approach, but can allow for significant improvement as compared to preparation protocols based on coherent unitary dynamics.

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  • This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
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  • We propose a novel scheme for the preparation of a maximally entangled state of two atoms in an optical cavity.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1011.1441 [2] arXiv https://arxiv.org/abs/1011.1441 [3] Publisher https://arxiv.org/abs/1011.1441

Local Citation Graph (Related-Paper Links)

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