Journal
CLASSICAL AND QUANTUM GRAVITY
Volume 17, Issue 1, Pages L9-L16Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0264-9381/17/1/102
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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 suppose that dark; matter is a scalar field endowed with a scaler 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 test particles is in good agreement with the observed one.
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