Galactic Constraints on Fermionic Dark Matter View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2018-12-28

AUTHORS

A. Krut, C. R. Arguëlles, J. Rueda, R. Ruffini

ABSTRACT

In order to explain Galactic structures, a self-gravitating system composed of massive fermions in spherical symmetry is considered. The finite mass distribution of such a component is obtained after solving the Einstein equation for a thermal and semi-degenerate fermionic gas, described by a perfect fluid in hydrostatic equilibrium and exposed to cutoff effects (e.g. evaporation). Within this more general approach a family of density profiles arises, which explains dark matter halo constraints of the Galaxy and provides at the same time an alternative to the central black hole scenario in Sgr A*. This analysis narrows the allowed particle mass to mc2 = 48−345 keV. More... »

PAGES

898-904

References to SciGraph publications

  • 2014-09. Critical configurations for a system of semidegenerate fermions in JOURNAL OF THE KOREAN PHYSICAL SOCIETY
  • 2014-09. On the distribution of dark matter in galaxies: Quantum treatments in JOURNAL OF THE KOREAN PHYSICAL SOCIETY
  • 2015-07-09. Dark matter massive fermions and Einasto profiles in galactic haloes in ASTRONOMY REPORTS
  • 2017-03-02. Beyond the event horizon or altogether without it? in NATURE ASTRONOMY
  • 2015-02-09. Evidence for dark matter in the inner Milky Way in NATURE PHYSICS
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1134/s1063772918120247

    DOI

    http://dx.doi.org/10.1134/s1063772918120247

    DIMENSIONS

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