Measurement of Nonlocal Variables without Breaking Causality

Details Measurement of Nonlocal Variables without Breaking Causality Measurement of Nonlocal Variables without Breaking Causality

1993-06-18

arxiv.org/abs/hep-th/9306086v1

Physics

High Energy Physics

High Energy Physics - Theory

6 pages, to be published in the Proceedings of "Fundamental Problems of Quantum Theory," Columbia SC 1992#

Scientific paper

We report results of an investigation of relativistic causality constraints on the measurability of nonlocal variables. We show that measurability of certain nondegenerate variables with entangled eigenstates contradicts the principle of causality, but that there are other, certainly nonlocal, variables which can be measured without breaking causality. We show that any causal measurement of nonlocal variables must erase certain local information. For example, for a system of two spin-1/2 particles, even if we take the weakest possible definition of verification measurement, verification of an entangled state must erase all local information.

Affiliated with

Also associated with

No associations

Rating

Measurement of Nonlocal Variables without Breaking Causality does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Measurement of Nonlocal Variables without Breaking Causality, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Measurement of Nonlocal Variables without Breaking Causality will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-74096