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Classical and Quantum Gravity
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arXiv.org e-Print Archive
Preprint . 1998
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Classical and Quantum Gravity
Article . 1999 . Peer-reviewed
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https://dx.doi.org/10.48550/ar...
Article . 1998
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Classical and Quantum Gravity
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Scalar fields as dark matter in spiral galaxies

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 13 Dec 1999Embargo end date: 01 Jan 1998Publisher:IOP PublishingJournal:Classical and Quantum Gravity, volume 17, pages L9-L16 (issn: 0264-9381, eissn: 1361-6382, Copyright policy )
Authors: Tonatiuh Matos; F. Siddhartha Guzman;

doi: 10.1088/0264-9381/17/1/102 , 10.48550/arxiv.gr-qc/9810028

arXiv: http://arxiv.org/abs/gr-qc/9810028

Scalar fields as dark matter in spiral galaxies

Abstract

We present a model for the dark matter in spiral galaxies, which is a result of a static and axial symmetric exact solution of the Einstein-Dilaton theory. We suposse that dark matter is a scalar field endowed with a scalar potential. We obtain that a) the effective energy density goes like $1/(r^2+r_{c}^{2})$ and b) the resulting circular velocity profile of tests particles is in good agreement with the observed one.

5 pages, RevTeX, eight eps figures. To appear in Classical and Quantum Gravity

Keywords

Astrophysics (astro-ph), FOS: Physical sciences, Einstein-dilaton theory, Exact solutions to problems in general relativity and gravitational theory, General Relativity and Quantum Cosmology (gr-qc), Astrophysics, General Relativity and Quantum Cosmology, Relativistic cosmology, dark matter in spiral galaxies

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    citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    		 193
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    		 Top 1%
    influence
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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    		 Top 10%
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
193
Top 1%
Top 1%
Top 10%
Green
bronze
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