Non-trivial frames for f(T) theories of gravity and beyond

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Some conceptual issues concerning f(T) theories - a family of modified gravity theories based on absolute parallelism - are analyzed. Due to the lack of local Lorentz invariance, the autoparallel frames satisfying the field equations are evasive to an a priori physical understanding. We exemplify th...

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Autores principales: Ferraro, R., Fiorini, F.
Formato: Artículo publishedVersion
Lenguaje:Inglés
Publicado: 2011
Materias:
F(T) theories of gravity
Modified gravity
Theories with absolute parallelism
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_03702693_v702_n1_p75_Ferraro
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paperaa:paper_03702693_v702_n1_p75_Ferraro
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spelling paperaa:paper_03702693_v702_n1_p75_Ferraro2023-06-12T16:47:57Z Non-trivial frames for f(T) theories of gravity and beyond Phys Lett Sect B Nucl Elem Part High-Energy Phys 2011;702(1):75-80 Ferraro, R. Fiorini, F. F(T) theories of gravity Modified gravity Theories with absolute parallelism Some conceptual issues concerning f(T) theories - a family of modified gravity theories based on absolute parallelism - are analyzed. Due to the lack of local Lorentz invariance, the autoparallel frames satisfying the field equations are evasive to an a priori physical understanding. We exemplify this point by working out the vierbein (tetrad) fields for closed and open Friedmann-Robertson-Walker cosmologies. © 2011 Elsevier B.V. Fil:Ferraro, R. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Fiorini, F. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2011 info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion application/pdf eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_03702693_v702_n1_p75_Ferraro
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
language Inglés
orig_language_str_mv eng
topic F(T) theories of gravity
Modified gravity
Theories with absolute parallelism
spellingShingle F(T) theories of gravity
Modified gravity
Theories with absolute parallelism
Ferraro, R.
Fiorini, F.
Non-trivial frames for f(T) theories of gravity and beyond
topic_facet F(T) theories of gravity
Modified gravity
Theories with absolute parallelism
description Some conceptual issues concerning f(T) theories - a family of modified gravity theories based on absolute parallelism - are analyzed. Due to the lack of local Lorentz invariance, the autoparallel frames satisfying the field equations are evasive to an a priori physical understanding. We exemplify this point by working out the vierbein (tetrad) fields for closed and open Friedmann-Robertson-Walker cosmologies. © 2011 Elsevier B.V.
format Artículo
Artículo
publishedVersion
author Ferraro, R.
Fiorini, F.
author_facet Ferraro, R.
Fiorini, F.
author_sort Ferraro, R.
title Non-trivial frames for f(T) theories of gravity and beyond
title_short Non-trivial frames for f(T) theories of gravity and beyond
title_full Non-trivial frames for f(T) theories of gravity and beyond
title_fullStr Non-trivial frames for f(T) theories of gravity and beyond
title_full_unstemmed Non-trivial frames for f(T) theories of gravity and beyond
title_sort non-trivial frames for f(t) theories of gravity and beyond
publishDate 2011
url http://hdl.handle.net/20.500.12110/paper_03702693_v702_n1_p75_Ferraro
work_keys_str_mv AT ferraror nontrivialframesforfttheoriesofgravityandbeyond
AT fiorinif nontrivialframesforfttheoriesofgravityandbeyond
_version_ 1769810120947007488

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