, Volume 46, Issue 8, pp 2053-2062
Date: 23 Aug 2007

Remarks on Causality in Relativistic Quantum Field Theory

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Abstract

It is shown that the correlations predicted by relativistic quantum field theory in locally normal states between projections in local von Neumann algebras \({\cal A}\) (V 1), \({\cal A}\) (V 2) associated with spacelike separated spacetime regions V 1,V 2 have a (Reichenbachian) common cause located in the union of the backward light cones of V 1 and V 2. Further comments on causality and independence in quantum field theory are made.

Originally published in International Journal of Theoretical Physics, Vol. 44, No. 7, 2005,Due to a publishing error, authorship of the article was credited incorrectly. The corrected article is reprinted in its entirety here. The online version of the original article can be found at http://dx.doi.org/10.1007/s10773-005-7079-2