Conformal dilaton gravity: Classical noninvariance gives rise to quantum invariance.

When quantizing conformal dilaton gravity, there is a conformal anomaly which starts at two-loop order. This anomaly stems from evanescent operators on the divergent parts of the effective action. The general form of the finite counterterm, which is necessary in order to insure cancellation of the W...

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Autores: Álvarez, Enrique; González Martín, Sergio; Pérez Martín, Carmelo
Tipo de documento: Artículo
Fecha de publicación:2016
País:España
Institución:Universidad Complutense de Madrid (UCM)
Repositorio:Docta Complutense
Lenguaje:Inglés
OAI Identifier:oai:docta.ucm.es:20.500.14352/24430
Acceso en línea:https://hdl.handle.net/20.500.14352/24430
Nivel de acceso:Acceso abierto
Palabra clave:53
Astronomy & astrophysics
Physics
Particles & fields
Física (Física)
22 Física
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author Álvarez, Enrique
author2 González Martín, Sergio
Pérez Martín, Carmelo
author2_role author
author
author_browse González Martín, Sergio
Pérez Martín, Carmelo
Álvarez, Enrique
author_facet Álvarez, Enrique
González Martín, Sergio
Pérez Martín, Carmelo
author_role author
collection Docta Complutense
description When quantizing conformal dilaton gravity, there is a conformal anomaly which starts at two-loop order. This anomaly stems from evanescent operators on the divergent parts of the effective action. The general form of the finite counterterm, which is necessary in order to insure cancellation of the Weyl anomaly to every order in perturbation theory, has been determined using only conformal invariance. Those finite counterterms do not have any inverse power of any mass scale in front of them (precisely because of conformal invariance), and then they are not negligible in the low-energy deep infrared limit. The general form of the ensuing modifications to the scalar field equation of motion has been determined, and some physical consequences have been extracted.
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instname_str Universidad Complutense de Madrid (UCM)
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oai_identifier_str oai:docta.ucm.es:20.500.14352/24430
publishDate 2016
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publisher Amer Physical Soc
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reponame_str Docta Complutense
spelling Conformal dilaton gravity: Classical noninvariance gives rise to quantum invariance. Álvarez, Enrique González Martín, Sergio Pérez Martín, Carmelo 53 Astronomy & astrophysics Physics Particles & fields Física (Física) 22 Física When quantizing conformal dilaton gravity, there is a conformal anomaly which starts at two-loop order. This anomaly stems from evanescent operators on the divergent parts of the effective action. The general form of the finite counterterm, which is necessary in order to insure cancellation of the Weyl anomaly to every order in perturbation theory, has been determined using only conformal invariance. Those finite counterterms do not have any inverse power of any mass scale in front of them (precisely because of conformal invariance), and then they are not negligible in the low-energy deep infrared limit. The general form of the ensuing modifications to the scalar field equation of motion has been determined, and some physical consequences have been extracted. Amer Physical Soc https://hdl.handle.net/20.500.14352/24430
spellingShingle Conformal dilaton gravity: Classical noninvariance gives rise to quantum invariance.
Álvarez, Enrique
53
Astronomy & astrophysics
Physics
Particles & fields
Física (Física)
22 Física
title Conformal dilaton gravity: Classical noninvariance gives rise to quantum invariance.
title_full Conformal dilaton gravity: Classical noninvariance gives rise to quantum invariance.
title_fullStr Conformal dilaton gravity: Classical noninvariance gives rise to quantum invariance.
title_full_unstemmed Conformal dilaton gravity: Classical noninvariance gives rise to quantum invariance.
title_short Conformal dilaton gravity: Classical noninvariance gives rise to quantum invariance.
title_sort Conformal dilaton gravity: Classical noninvariance gives rise to quantum invariance.
topic 53
Astronomy & astrophysics
Physics
Particles & fields
Física (Física)
22 Física
topic_facet 53
Astronomy & astrophysics
Physics
Particles & fields
Física (Física)
22 Física
url https://hdl.handle.net/20.500.14352/24430