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Degenerate Fermions in Galaxy Clusters and Halos

Published online by Cambridge University Press:  19 May 2006

G.A. Mamon ,
F. Combes ,
C. Deffayet ,
B. Fort ,
V. Muccione  and
D. Pfenniger
V. Muccione
Affiliation:
Geneva Observatory, 51 Ch. des Maillettes, 1290 Sauverny, Switzerland
D. Pfenniger
Affiliation:
Geneva Observatory, 51 Ch. des Maillettes, 1290 Sauverny, Switzerland
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Abstract

We explore the possibility that galaxy clusters or halos could be suited environments to host fermions like massive neutrinos in their degenerate state. Equilibrium density profiles for galaxy clusters and halos are calculated where the contribution of fermion particles to an isotropic collisionless component is taken into account. Fermions are supposed to cluster in CDM protoclusters while their phase space density is sufficient for not neglecting the Pauli's exclusion principle.


Type
Research Article
Information
European Astronomical Society Publications Series , Volume 20: Mass Profiles and Shapes of Cosmological Structures , 2006 , pp. 291 - 292
Copyright
© EAS, EDP Sciences, 2006

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