The non-local content of quantum operations

DG Collins, N Linden, S Popescu

Research output: Contribution to journalArticle (Academic Journal)peer-review


We show that quantum operations on multiparticle systems have a nonlocal content; this mirrors the nonlocal content of quantum states. We introduce a general framework for discussing the nonlocal content of quantum operations, and give a number of examples. Quantitative relations between quantum actions and the entanglement and classical communication resources needed to implement these actions are also described. We also show how entanglement can catalyze classical communication from a quantum action.
Translated title of the contributionThe non-local content of quantum operations
Original languageEnglish
Article numberArt. No. 032302
JournalPhysical Review A: Atomic, Molecular and Optical Physics
Volume64 (3)
Publication statusPublished - Sep 2001

Bibliographical note

Publisher: American Physical Soc
Other identifier: IDS number 472HT


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