Kerr–Schild perturbations of coset CFTs as scale invariant integrable σ-models

Kerr–Schild perturbations in General Relativity provide a fruitful way of constructing new exact solutions starting from known ones, elucidating also the structure of the spacetimes. We initiate such a study in the context of string theory and supergravity. Specifically, we explicitly construct Kerr...

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Autores principales:	Georgios Itsios, Konstantinos Sfetsos, Konstantinos Siampos
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Nuclear and particle physics. Atomic energy. Radioactivity QC770-798
Acceso en línea:	https://doaj.org/article/2ba531f4ac604fd1ba96775a356fd4f5
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spelling	oai:doaj.org-article:2ba531f4ac604fd1ba96775a356fd4f52021-12-04T04:32:54ZKerr–Schild perturbations of coset CFTs as scale invariant integrable σ-models0550-321310.1016/j.nuclphysb.2021.115594https://doaj.org/article/2ba531f4ac604fd1ba96775a356fd4f52021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S0550321321002911https://doaj.org/toc/0550-3213Kerr–Schild perturbations in General Relativity provide a fruitful way of constructing new exact solutions starting from known ones, elucidating also the structure of the spacetimes. We initiate such a study in the context of string theory and supergravity. Specifically, we explicitly construct Kerr–Schild perturbations of coset CFTs based on low dimensionality orthogonal groups. We show that these give rise to scale, but not Weyl, invariant integrable σ-models. We explicitly demonstrate that these models can also be derived from a particular limiting procedure of λ-deformed coset CFTs based on non-compact groups. The target space of the simplest σ-model describes a two-dimensional scale invariant black hole for which we also provide two different embeddings to type-II supergravity.Georgios ItsiosKonstantinos SfetsosKonstantinos SiamposElsevierarticleNuclear and particle physics. Atomic energy. RadioactivityQC770-798ENNuclear Physics B, Vol 973, Iss , Pp 115594- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Nuclear and particle physics. Atomic energy. Radioactivity QC770-798
spellingShingle	Nuclear and particle physics. Atomic energy. Radioactivity QC770-798 Georgios Itsios Konstantinos Sfetsos Konstantinos Siampos Kerr–Schild perturbations of coset CFTs as scale invariant integrable σ-models
description	Kerr–Schild perturbations in General Relativity provide a fruitful way of constructing new exact solutions starting from known ones, elucidating also the structure of the spacetimes. We initiate such a study in the context of string theory and supergravity. Specifically, we explicitly construct Kerr–Schild perturbations of coset CFTs based on low dimensionality orthogonal groups. We show that these give rise to scale, but not Weyl, invariant integrable σ-models. We explicitly demonstrate that these models can also be derived from a particular limiting procedure of λ-deformed coset CFTs based on non-compact groups. The target space of the simplest σ-model describes a two-dimensional scale invariant black hole for which we also provide two different embeddings to type-II supergravity.
format	article
author	Georgios Itsios Konstantinos Sfetsos Konstantinos Siampos
author_facet	Georgios Itsios Konstantinos Sfetsos Konstantinos Siampos
author_sort	Georgios Itsios
title	Kerr–Schild perturbations of coset CFTs as scale invariant integrable σ-models
title_short	Kerr–Schild perturbations of coset CFTs as scale invariant integrable σ-models
title_full	Kerr–Schild perturbations of coset CFTs as scale invariant integrable σ-models
title_fullStr	Kerr–Schild perturbations of coset CFTs as scale invariant integrable σ-models
title_full_unstemmed	Kerr–Schild perturbations of coset CFTs as scale invariant integrable σ-models
title_sort	kerr–schild perturbations of coset cfts as scale invariant integrable σ-models
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/2ba531f4ac604fd1ba96775a356fd4f5
work_keys_str_mv	AT georgiositsios kerrschildperturbationsofcosetcftsasscaleinvariantintegrablesmodels AT konstantinossfetsos kerrschildperturbationsofcosetcftsasscaleinvariantintegrablesmodels AT konstantinossiampos kerrschildperturbationsofcosetcftsasscaleinvariantintegrablesmodels
_version_	1718373021159260160

Kerr–Schild perturbations of coset CFTs as scale invariant integrable σ-models

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