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Multiparty Distributed Compression of Quantum Information

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3 Author(s)
Avis, D. ; McGill Univ., Montreal ; Hayden, P. ; Savov, I.

We study a protocol in which many parties use quantum communication to transfer a shared state to a receiver without communicating with each other. This protocol is a multiparty version of the fully quantum Slepian-Wolf protocol for two senders and arises through the repeated application of the two-sender protocol. We describe bounds on the achievable rate region for the distributed compression problem. The inner bound arises by expressing the achievable rate region for our protocol in terms of its vertices and extreme rays and, equivalently, in terms of facet inequalities. We also prove an outer bound on all possible rates for distributed compression based on multiparty squashed entanglement.

Published in:

Quantum, Nano and Micro Technologies, 2008 Second International Conference on

Date of Conference:

10-15 Feb. 2008