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A generalized no-broadcasting theorem

Barnum, H; Barrett, J; Leifer, M; Wilce, A; (2007) A generalized no-broadcasting theorem. Phys Rev Lett , 99 (24) , Article 240501. 10.1103/PhysRevLett.99.240501. Green open access

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We prove a generalized version of the no-broadcasting theorem, applicable to essentially \emph{any} nonclassical finite-dimensional probabilistic model satisfying a no-signaling criterion, including ones with ``super-quantum'' correlations. A strengthened version of the quantum no-broadcasting theorem follows, and its proof is significantly simpler than existing proofs of the no-broadcasting theorem.

Type: Article
Title: A generalized no-broadcasting theorem
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.99.240501
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.99.240501
Language: English
Additional information: © 2007 The American Physical Society
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/1308378
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