Small-scale structure of cold dark matter

Schwarz D, Hofmann S (2000)
Nuclear Physics B - Proceedings Supplements 87(1-3): 93-95.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
We investigate the clumping of cold dark matter (CDM) at small scales. If the CDM particle is the neutralino, we find that collisional damping during its kinetic decoupling from the radiation fluid and free streaming introduce a small-scale cut-off in the primordial power spectrum of CDM. This cut-off sets the scale for the very first CDM objects in the Universe, which we expect to have a mass of similar to 10(-12) M-circle dot. For non-thermal CDM candidates, such as axions, wimpzillas, or primordial black holes, the cosmological QCD transition might induce features in the primordial spectrum at similar mass scales.
Erscheinungsjahr
Zeitschriftentitel
Nuclear Physics B - Proceedings Supplements
Band
87
Zeitschriftennummer
1-3
Seite
93-95
ISSN
PUB-ID

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Schwarz D, Hofmann S. Small-scale structure of cold dark matter. Nuclear Physics B - Proceedings Supplements. 2000;87(1-3):93-95.
Schwarz, D., & Hofmann, S. (2000). Small-scale structure of cold dark matter. Nuclear Physics B - Proceedings Supplements, 87(1-3), 93-95. doi:10.1016/S0920-5632(00)00642-3
Schwarz, D., and Hofmann, S. (2000). Small-scale structure of cold dark matter. Nuclear Physics B - Proceedings Supplements 87, 93-95.
Schwarz, D., & Hofmann, S., 2000. Small-scale structure of cold dark matter. Nuclear Physics B - Proceedings Supplements, 87(1-3), p 93-95.
D. Schwarz and S. Hofmann, “Small-scale structure of cold dark matter”, Nuclear Physics B - Proceedings Supplements, vol. 87, 2000, pp. 93-95.
Schwarz, D., Hofmann, S.: Small-scale structure of cold dark matter. Nuclear Physics B - Proceedings Supplements. 87, 93-95 (2000).
Schwarz, Dominik, and Hofmann, S. “Small-scale structure of cold dark matter”. Nuclear Physics B - Proceedings Supplements 87.1-3 (2000): 93-95.

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arXiv: astro-ph/9912343

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