Physics – Quantum Physics
Scientific paper
2011-08-02
Physics
Quantum Physics
5 pages, 1 figure. Submitted on 2nd September, 2010. Text slightly changed in comparison with the submitted version
Scientific paper
We show the existence of Gaussian multipartite bound information which is a classical analog of Gaussian multipartite bound entanglement. We construct a tripartite Gaussian distribution from which no secret key can be distilled between any two parties yet it cannot be created by local operations and public communication. This demonstrates a close link between entanglement and secrecy in the domain of random Gaussian continuous variables and underlines the ability of quantum mechanics to develop concepts of classical information theory.
Jr.
Korolkova Natalia
Mista Ladislav
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