Resolving infall caustics in dark matter halos

被引：0

作者：

K. Dolag

A. D. Dolgov

I. I. Tkachev

机构：

[1] University Observatory Munich,Laboratory of Cosmology and Elementary Particles

[2] Max-Planck-Institut für Astrophysik,Dipartimento di Fisica

[3] Novosibirsk State University,Istituto Nazionale di Fisica Nucleare

[4] Universitá degli Studi di Ferrara,Institute for Nuclear Research

[5] Polo Scientifico e Tecnologico—Edificio C,undefined

[6] Sezione di Ferrara,undefined

[7] Polo Scientifico e Tecnologico—Edificio C,undefined

[8] Alikhanov Institute for Theoretical and Experimental Physics,undefined

[9] Russian Academy of Sciences,undefined

来源：

JETP Letters | 2013年 / 96卷

关键词：

Phase Space; JETP Letter; Dark Matter Particle; Galactic Halo; Dark Matter Halo;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

It has been found that the phase space of dark matter particles assembling a galactic halo in cosmological N-body simulations well defines the fine grained structure. Recently accreted particles form distinctive velocity streams with high density contrast. For a fixed observer position, these streams lead to peaks in the velocity distribution. Overall structure is close to that emerging in the secondary infall model.

引用

页码：754 / 758

页数：4

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