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Continuous variable quantum key distribution in non-Markovian channels | | Ruggero Vasile
; Stefano Olivares
; Matteo G A Paris
; Sabrina Maniscalco
; | | Date: |
1 Nov 2010 | | Abstract: | We address continuous variable quantum key distribution (QKD) in
non-Markovian lossy channels and show how the non-Markovian features may be
exploited to enhance security and/or to detect the presence and the position of
an eavesdropper along the transmission line. In particular, we suggest a
coherent states QKD protocol which is secure against individual attacks for
arbitrarily low values of the overall transmission line. Our scheme relies on
specific non-Markovian properties, and cannot be implemented in ordinary
Markovian channels characterized by uniform losses. | | Source: | arXiv, 1011.0304 | | Services: | Forum | Review | PDF | Favorites | |
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