Instantaneous Measurement of Nonlocal Variables

Research output: Contribution to journalArticlepeer-review

Abstract

It is shown, under the assumption of the possibility to perform an arbitrary local operation, that all nonlocal variables related to two or more separate sites can be measured instantaneously, except for a finite time required for bringing to one location the classical records from these sites which yield the result of the measurement. It is a verification measurement: it yields reliably the eigenvalues of the nonlocal variables, but it does not prepare the eigenstates of the system.

Original languageEnglish
Pages (from-to)4
Number of pages1
JournalPhysical Review Letters
Volume90
Issue number1
DOIs
StatePublished - 2003

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