Galaxy rotation curves via conformal factors

We propose a new formula to explain circular velocity profiles of spiral galaxies obtained from the Starobinsky model in the Palatini formalism. It is based on the assumption that the gravity can be described by two conformally related metrics: one of them is responsible for the measurement of dista...

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Detalles Bibliográficos
Autores principales: Sporea, Ciprian A., Borowiec, Andrzej, Wojnar, Aneta
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer Berlin Heidelberg 2018
Materias:
Regular Article - Theoretical Physics
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5906514/
https://www.ncbi.nlm.nih.gov/pubmed/29681764
http://dx.doi.org/10.1140/epjc/s10052-018-5792-2
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author Sporea, Ciprian A.
Borowiec, Andrzej
Wojnar, Aneta
author_facet Sporea, Ciprian A.
Borowiec, Andrzej
Wojnar, Aneta
author_sort Sporea, Ciprian A.
collection PubMed
description We propose a new formula to explain circular velocity profiles of spiral galaxies obtained from the Starobinsky model in the Palatini formalism. It is based on the assumption that the gravity can be described by two conformally related metrics: one of them is responsible for the measurement of distances, while the other, the so-called dark metric, is responsible for a geodesic equation and therefore can be used for the description of the velocity profile. The formula is tested against a subset of galaxies taken from the HI Nearby Galaxy Survey (THINGS).
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spelling pubmed-59065142018-04-20 Galaxy rotation curves via conformal factors Sporea, Ciprian A. Borowiec, Andrzej Wojnar, Aneta Eur Phys J C Part Fields Regular Article - Theoretical Physics We propose a new formula to explain circular velocity profiles of spiral galaxies obtained from the Starobinsky model in the Palatini formalism. It is based on the assumption that the gravity can be described by two conformally related metrics: one of them is responsible for the measurement of distances, while the other, the so-called dark metric, is responsible for a geodesic equation and therefore can be used for the description of the velocity profile. The formula is tested against a subset of galaxies taken from the HI Nearby Galaxy Survey (THINGS). Springer Berlin Heidelberg 2018-04-18 2018 /pmc/articles/PMC5906514/ /pubmed/29681764 http://dx.doi.org/10.1140/epjc/s10052-018-5792-2 Text en © The Author(s) 2018 Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. Funded by SCOAP3
spellingShingle Regular Article - Theoretical Physics
Sporea, Ciprian A.
Borowiec, Andrzej
Wojnar, Aneta
Galaxy rotation curves via conformal factors
title Galaxy rotation curves via conformal factors
title_full Galaxy rotation curves via conformal factors
title_fullStr Galaxy rotation curves via conformal factors
title_full_unstemmed Galaxy rotation curves via conformal factors
title_short Galaxy rotation curves via conformal factors
title_sort galaxy rotation curves via conformal factors
topic Regular Article - Theoretical Physics
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5906514/
https://www.ncbi.nlm.nih.gov/pubmed/29681764
http://dx.doi.org/10.1140/epjc/s10052-018-5792-2
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AT borowiecandrzej galaxyrotationcurvesviaconformalfactors
AT wojnaraneta galaxyrotationcurvesviaconformalfactors

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