
Proceedings Paper
Restoring broken entanglement by separable correlationsFormat | Member Price | Non-Member Price |
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Paper Abstract
We consider two bosonic Gaussian channels whose thermal noise is strong enough to break bipartite entanglement. In this scenario, we discuss how the presence of separable correlations between the two channels is able to restore the broken entanglement. This reactivation occurs not only in a scheme of direct distribution, where a third party (Charlie) broadcasts entangled states to remote parties (Alice and Bob), but also in a configuration of indirect distribution which is based on entanglement swapping. In both schemes, the amount of entanglement remotely activated can be large enough to be distilled by one-way distillation protocols.
Paper Details
Date Published: 7 May 2015
PDF: 13 pages
Proc. SPIE 9505, Quantum Optics and Quantum Information Transfer and Processing 2015, 95050B (7 May 2015); doi: 10.1117/12.2183071
Published in SPIE Proceedings Vol. 9505:
Quantum Optics and Quantum Information Transfer and Processing 2015
Konrad Banaszek; Christine Silberhorn, Editor(s)
PDF: 13 pages
Proc. SPIE 9505, Quantum Optics and Quantum Information Transfer and Processing 2015, 95050B (7 May 2015); doi: 10.1117/12.2183071
Show Author Affiliations
Gaetana Spedalieri, The Univ. of York (United Kingdom)
Stefano Pirandola, The Univ. of York (United Kingdom)
Published in SPIE Proceedings Vol. 9505:
Quantum Optics and Quantum Information Transfer and Processing 2015
Konrad Banaszek; Christine Silberhorn, Editor(s)
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