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Self-Interacting Dark Matter with Flavor Mixing | | Mikhail V. Medvedev
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23 Feb 2001 | | Subject: | astro-ph | | Affiliation: | CITA | | Abstract: | The crisis of the cold dark matter and problems of the self-interacting dark matter models is resolved by postulating flavor mixing of dark matter particles. Flavor-mixed particles segregate in the gravitational field to form dark halos composed of heavy mass eigenstates. Since these particles are mixed in the interaction basis, elastic collisions convert some of heavy eigenstates into light ones which leave dense central regions of the halo. This annihilation-like process will soften dense central cusps of halos. The proposed model accumulates most of the attractive features of self-interacting and annihilating dark matter models, but does not suffer from their severe drawbacks. This model is natural; it does not require fine tuning. | | Source: | arXiv, astro-ph/0102400 | | Other source: | [GID 749414] astro-ph/0010616 | | Services: | Forum | Review | PDF | Favorites | |
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