Hamiltonian Gotay-Nester-Hinds analysis of the parametrized unimodular extension of the Holst action

We give a detailed account of the Hamiltonian Gotay-Nester-Hinds (GNH) analysis of the parametrized unimodular extension of the Holst action. The purpose of the paper is to derive, through the clear geometric picture furnished by the GNH method, a simple Hamiltonian formulation for this model and ex...

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Bibliographic Details
Published in:Physical review. D 2021-03, Vol.103 (6), Article 064062
Main Authors: Barbero G., J. Fernando, Díaz, Bogar, Margalef-Bentabol, Juan, Villaseñor, Eduardo J. S.
Format: Article
Language:English
Subjects:
Parameterization
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Summary:We give a detailed account of the Hamiltonian Gotay-Nester-Hinds (GNH) analysis of the parametrized unimodular extension of the Holst action. The purpose of the paper is to derive, through the clear geometric picture furnished by the GNH method, a simple Hamiltonian formulation for this model and explain why it is difficult to arrive at it in other approaches. We will also show how to take advantage of the field equations to anticipate the simple form of the constraints that we find in the paper.
ISSN:2470-0010
2470-0029
DOI:10.1103/PhysRevD.103.064062