Physical content of quadratic gravity

Physical content of quadratic gravity

Abstract We have recently undergone an analysis of gravitational theories as defined in first order formalism, where the metric and the connection are treated as independent fields. The physical meaning of the connection field has historically been somewhat elusive. In this paper, a complete spin an...

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Main Authors: Enrique Alvarez, Jesus Anero, Sergio Gonzalez-Martin, Raquel Santos-Garcia
Format: Article
Language:English
Published: SpringerOpen 2018-09-01
Series:European Physical Journal C: Particles and Fields
Online Access:http://link.springer.com/article/10.1140/epjc/s10052-018-6250-x
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spelling doaj-9a62010f4e794755a742075b407501c32020-11-25T01:36:37ZengSpringerOpenEuropean Physical Journal C: Particles and Fields1434-60441434-60522018-09-01781012010.1140/epjc/s10052-018-6250-xPhysical content of quadratic gravityEnrique Alvarez0Jesus Anero1Sergio Gonzalez-Martin2Raquel Santos-Garcia3Departamento de Física Teórica and Instituto de Física Teórica, IFT-UAM/CSIC, Universidad AutónomaDepartamento de Física Teórica and Instituto de Física Teórica, IFT-UAM/CSIC, Universidad AutónomaDepartamento de Física Teórica and Instituto de Física Teórica, IFT-UAM/CSIC, Universidad AutónomaDepartamento de Física Teórica and Instituto de Física Teórica, IFT-UAM/CSIC, Universidad AutónomaAbstract We have recently undergone an analysis of gravitational theories as defined in first order formalism, where the metric and the connection are treated as independent fields. The physical meaning of the connection field has historically been somewhat elusive. In this paper, a complete spin analysis of the torsionless connection field is performed, and its consequences are explored. The main properties of a hypothetical consistent truncation of the theory are discussed as well.http://link.springer.com/article/10.1140/epjc/s10052-018-6250-x
collection DOAJ
language English
format Article
sources DOAJ
author Enrique Alvarez
Jesus Anero
Sergio Gonzalez-Martin
Raquel Santos-Garcia
spellingShingle Enrique Alvarez
Jesus Anero
Sergio Gonzalez-Martin
Raquel Santos-Garcia
Physical content of quadratic gravity
European Physical Journal C: Particles and Fields
author_facet Enrique Alvarez
Jesus Anero
Sergio Gonzalez-Martin
Raquel Santos-Garcia
author_sort Enrique Alvarez
title Physical content of quadratic gravity
title_short Physical content of quadratic gravity
title_full Physical content of quadratic gravity
title_fullStr Physical content of quadratic gravity
title_full_unstemmed Physical content of quadratic gravity
title_sort physical content of quadratic gravity
publisher SpringerOpen
series European Physical Journal C: Particles and Fields
issn 1434-6044
1434-6052
publishDate 2018-09-01
description Abstract We have recently undergone an analysis of gravitational theories as defined in first order formalism, where the metric and the connection are treated as independent fields. The physical meaning of the connection field has historically been somewhat elusive. In this paper, a complete spin analysis of the torsionless connection field is performed, and its consequences are explored. The main properties of a hypothetical consistent truncation of the theory are discussed as well.
url http://link.springer.com/article/10.1140/epjc/s10052-018-6250-x
work_keys_str_mv AT enriquealvarez physicalcontentofquadraticgravity
AT jesusanero physicalcontentofquadraticgravity
AT sergiogonzalezmartin physicalcontentofquadraticgravity
AT raquelsantosgarcia physicalcontentofquadraticgravity
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