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Erschienen in: Quantum Information Processing 10/2013

01.10.2013

Generation of steady three- and four-dimensional entangled states via quantum-jump-based feedback

verfasst von: Qi-Cheng Wu, Xin Ji

Erschienen in: Quantum Information Processing | Ausgabe 10/2013

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Abstract

A scheme is presented for generating steady three- (four-) dimensional entangled states for two atoms trapped in a strongly dissipative single-mode (double-mode) cavity via quantum-jump-based feedback. The cavity decay is no longer undesirable, but plays an integral part in the schemes. Numerical results show that the target states could be obtained from any initial states via quantum-jump-based feedback. Moreover, our scheme is insensitive to moderate fluctuations of experimental parameters and detection inefficiencies without atomic decay since the system can always reach the target state. Nevertheless, the atomic decay still plays a negative role in the current scheme. The scheme can be generalized to realize \(N\)-dimensional entanglement for two atoms.

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Metadaten
Titel
Generation of steady three- and four-dimensional entangled states via quantum-jump-based feedback
verfasst von
Qi-Cheng Wu
Xin Ji
Publikationsdatum
01.10.2013
Verlag
Springer US
Erschienen in
Quantum Information Processing / Ausgabe 10/2013
Print ISSN: 1570-0755
Elektronische ISSN: 1573-1332
DOI
https://doi.org/10.1007/s11128-013-0592-y

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