Articles with "generalized ghost" as a keyword



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Generalized ghost-free propagators in nonlocal field theories

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Published in 2020 at "Physical Review D"

DOI: 10.1103/physrevd.101.084019

Abstract: In this paper we present an iterative method to generate an infinite class of new nonlocal field theories whose propagators are ghost-free. We first examine the scalar field case and show that the pole structure… read more here.

Keywords: field theories; field; free propagators; generalized ghost ... See more keywords