Direct estimation of functionals of density operators by local operations and classical communication

We present a method of determining important properties of a shared bipartite quantum state, within the ``distant labs'' paradigm, using \emph{only} local operations and classical communication (LOCC). We apply this procedure to spectrum estimation of shared states, and locally implementab...

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Bibliographic Details
Main Authors: Alves, C, Horodecki, P, Oi, D, Kwek, L, Ekert, A
Format: Journal article
Language:English
Published: 2003