Possible Detection of Causality Violation in a Non-local Scalar Model

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We consider the possibility that there may be causality violation detectable at higher energies. We take a scalar nonlocal theory containing a mass scale $Λ$ as a model example and make a preliminary study of how the causality violation can be observed. We show how to formulate an observable whose detection would signal causality violation. We study the range of energies (relative to $Λ$) and couplings to which the observable can be used.
Latex, 30 pages

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High Energy Physics - Theory, High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/216279

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0808.3179
 http://arxiv.org/abs/0808.3179
 J.Phys.A42:065401,2009
 doi:10.1088/1751-8113/42/6/065401

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arXiv