Several aspects of nonlocal field theory and gravity

Krasnikov, N. V. (2022) Several aspects of nonlocal field theory and gravity. Il nuovo cimento C, 45 (2). pp. 1-12. ISSN 1826-9885

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Abstract

In this mini review we consider nonlocal field theory including nonlocal quantum gravity. We discuss gauge models with γ5-anomalies and show how nonlocal field theory can help to make such models meaningful. We consider the field theory with infinite number of local fields with local interactions and show that an account of an infinite number of local fields leads to effective ultraviolet finite nonlocal field theory. We also discuss nonlocal generalization of nonsupersymmetric SU (5) Georgi-Glashow GUT and show that it is possible to solve the problems with the proton lifetime and the Weinberg angle without introduction of additional particles in the spectrum of the theory. Nonlocal scale Λ responsible for ultraviolet cutoff coincides (up to some factor) with GUT scale MGU T ≈ 3 · 1016 GeV.

Item Type:	Article
Subjects:	500 Scienze naturali e Matematica > 530 Fisica
Depositing User:	Marina Spanti
Date Deposited:	24 May 2022 12:35
Last Modified:	24 May 2022 12:35
URI:	http://eprints.bice.rm.cnr.it/id/eprint/21904

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