| Full text | |
| Author(s): |
Total Authors: 2
|
| Affiliation: | [1] Univ Sao Paulo, IAG, BR-05508900 Sao Paulo - Brazil
[2] Univ Tokyo, IPMU, Kashiwa, Chiba 2778583 - Japan
Total Affiliations: 2
|
| Document type: | Journal article |
| Source: | Astronomy & Astrophysics; v. 524, DEC 2010. |
| Web of Science Citations: | 4 |
| Abstract | |
Aims. An analytical solution for the discrepancy between observed core-like profiles and predicted cusp profiles in dark matter halos is studied. Methods. We calculate the distribution function for Navarro-Frenk-White halos and extract energy from the distribution, taking into account the effects of baryonic physics processes. Results. We show with a simple argument that we can reproduce the evolution of a cusp to a flat density profile by a decrease of the initial potential energy. (AU) | |
| FAPESP's process: | 09/05176-4 - Analysis of the influence of magnetic fields and cold dark matter in the formation and evolution of galaxies |
| Grantee: | Rafael da Silva de Souza |
| Support type: | Scholarships in Brazil - Post-Doctorate |