Necessary conditions for entanglement catalysts

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Abstract

Given a pure state transformation ψ restricted to entanglement-assisted local operations with classical communication, we determine a lower bound for the dimension of a catalyst allowing that transformation. Our bound is stated in terms of the generalized concurrence monotones (the usual concurrence of two qubits is one such monotone). We further provide tools for deriving further conditions upon catalysts of pure state transformations.

Original languageEnglish
Article number054302
Pages (from-to)1-4
Number of pages4
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume79
Issue number5
DOIs
Publication statusPublished - 1 May 2009
Externally publishedYes

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