Gaussian Operations and Privacy

Miguel Navascues, Antonio Acin

Research output: Contribution to journalArticle (Academic Journal)peer-review

4 Citations (Scopus)


We consider the possibilities offered by Gaussian states and operations for two honest parties, Alice and Bob, to obtain privacy against a third eavesdropping party, Eve. We first extend the security analysis of the protocol proposed in M. Navascues et al., Phys. Rev. Lett. 94, 010502 (2005). Then, we prove that a generalized version of this protocol does not allow to distill a secret key out of bound entangled Gaussian states.
Original languageUndefined/Unknown
JournalPhysical Review A: Atomic, Molecular and Optical Physics
Publication statusPublished - 1 Feb 2005


  • quant-ph

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