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Long-distance entanglement and quantum teleportation in coupled-cavity arrays

Source: Phys. Rev. A 80, 050301(R) (2009); doi:10.1103/PhysRevA.80.050301

Published 6 November 2009

KEYWORDS and PACS
Keywords
PACS
  • 03.67.Hk
    Quantum communication
  • 03.65.Ca
    Formalism in quantum mechanics
  • 73.43.Nq
    Quantum phase transitions (quantum Hall effect)
  • 75.10.Jm
    Quantized spin models (magnetism)
  • YEAR: 2009
PUBLICATION DATA
Publisher:
AIP is a member of CrossRef APS
Salvatore M. Giampaolo1,2 and Fabrizio Illuminati1,2,3
1Dipartimento di Matematica e Informatica, Università degli Studi di Salerno, Via Ponte don Melillo, Fisciano, I-84084 Salerno, Italy
2CNR-INFM Coherentia, and INFN Sezione di Napoli, Gruppo Collegato di Salerno, Fisciano, I-84084 Salerno, Italy
3ISI Foundation for Scientific Interchange, Viale Settimio Severo 65, 00173 Torino, Italy
We introduce quantum spin models whose ground states allow for sizable entanglement between distant spins. We discuss how spin models with global end-to-end entanglement realize quantum teleportation channels with optimal compromise between scalability and resilience to thermal decoherence and can be implemented straightforwardly in suitably engineered arrays of coupled optical cavities. ©2009 The American Physical Society
History: Received 11 July 2009; published 6 November 2009
Permalink: http://link.aps.org/abstract/PRA/v80/e050301
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