SIMBAD references

2013MNRAS.433.2310C - Mon. Not. R. Astron. Soc., 433, 2310-2313 (2013/August-2)

Scaling relations of the slightly self-interacting cold dark matter in galaxies and clusters.

CHAN M.H.

Abstract (from CDS):

Recent observations in galaxies and clusters indicate that dark matter density profiles exhibit core-like structures which contradict the numerical simulation results of collisionless cold dark matter. The idea of self-interacting cold dark matter (SICDM) has been invoked to solve the discrepancies between the observations and numerical simulations. In this paper, I derive some important scaling relations in galaxies and clusters by using the long-range SICDM model. These scaling relations give good agreement with the empirical fittings from observational data in galaxies and clusters if the dark matter particles are only slightly self-interacting. Also, there may exist a universal critical optical depth τc that characterizes the core-like structures. These results generally support the idea of the SICDM to tackle the long-lasting dark matter problem.

Abstract Copyright: © 2013 The Author Published by Oxford University Press on behalf of the Royal Astronomical Society (2013)

Journal keyword(s): dark matter

Simbad objects: 5

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2021.06.14-19:39:50

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