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Continuous-spin field propagator and interaction with matter

Cited 17 time in webofscience Cited 14 time in scopus
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Title
Continuous-spin field propagator and interaction with matter
Author(s)
Xavier Bekaert; Jihad Mourad; Mojtaba Najazadeh
Publication Date
2017-11
Journal
JOURNAL OF HIGH ENERGY PHYSICS, no.11
Publisher
SPRINGER
Abstract
Action principles for the single and double valued continuous-spin representations of the Poincare group have been recently proposed in a Segal-like formulation. We address three related issues: first, we explain how to obtain these actions directly from the Fronsdal-like and Fang-Fronsdal-like equations by solving the traceless constraints in Fourier space. Second, we introduce a current, similar to the one of Berends, Burgers and Van Dam, which is bilinear in a pair of scalar matter fields, to which the bosonic continuous-spin field can couple minimally. Third, we investigate the current exchange mediated by a continuous-spin particle obtained from this action principle and investigate whether it propagates the right degrees of freedom, and whether it reproduces the known result for massless higher-spin fields in the helicity limit (c) The Authors.
URI
https://pr.ibs.re.kr/handle/8788114/4771
DOI
10.1007/JHEP11(2017)113
ISSN
1029-8479
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > 1. Journal Papers (저널논문)
Files in This Item:
10.1007_JHEP11(2017)113.pdfDownload

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