Instantaneous Nonlocal Measurements

Lev Vaidman*

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review


It is shown, under the assumption of possibility to perform an arbitrary local operation, that all nonlocal variables related to two or more separate sites can be measured instantaneously. The measurement is based on teleportation method. 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)11-16
Number of pages6
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 2002
EventPROCEEDINGS OF SPIE SPIE - The International Society for Optical Engineering: First International Symposium on Quantum Informatics - Lipki, Moscow Region, Russian Federation
Duration: 1 Oct 20023 Oct 2002


  • Nonlocality
  • Quantum measurements


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