Microcausality of spin-induced noncommutative theories

Details Microcausality of spin-induced noncommutative theories Microcausality of spin-induced noncommutative theories

2012-03-09

arxiv.org/abs/1203.1992v1

Physics

High Energy Physics

High Energy Physics - Theory

9 pages, no figure

Scientific paper

In this brief report, the microcausility of quantum ?eld theory on spin-induced noncom- mutative spacetime is discussed. It is found that for spacelike seperation the microcausality is not obeyed by the theory generally. It means that Lorentz covariance can not guaran- tee microcausality in quantum ?eld thoery. We also give some comments about quantum ?eld thoeries on such noncommutative spacetime and the relations between noncommutative spacetime and causality.

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