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  • Letter
  • Open Access

Consistent first-order action functional for gauge theories

Priidik Gallagher

Tomi S. Koivisto*

Luca Marzola

Ludovic Varrin

Tom Zlosnik

  • Laboratory of Theoretical Physics, Institute of Physics, University of Tartu, W. Ostwaldi 1, 50411 Tartu, Estonia

  • Laboratory of Theoretical Physics, Institute of Physics, University of Tartu, W. Ostwaldi 1, 50411 Tartu, Estonia and National Institute of Chemical Physics and Biophysics, Rävala pst. 10, 10143 Tallinn, Estonia

  • National Institute of Chemical Physics and Biophysics, Rävala pst. 10, 10143 Tallinn, Estonia

  • National Centre for Nuclear Research, Pasteura 7, 02-093, Warsaw, Poland and Institute of Theoretical Physics and Astrophysics, University of Gdańsk, 80-308 Gdańsk, Poland

  • Institute of Theoretical Physics and Astrophysics, University of Gdańsk, 80-308 Gdańsk, Poland

  • *tomi.koivisto@ut.ee

Phys. Rev. D 109, L061503 – Published 22 March, 2024

DOI: https://doi.org/10.1103/PhysRevD.109.L061503

Abstract

A novel first-order action principle has been proposed as the possible foundation for a more fundamental theory of general relativity and the Standard Model. It is shown in this article that the proposal consistently incorporates gravity and matter fields, and guides one to a new and robust path toward unification of fundamental interactions.

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