Axion condensate as a model for dark matter halos

被引：34
|
作者：
Mielke, Eckehard W. [1 ]
Velez Perez, Jose A. [1 ]
机构：
[1] Univ Autonoma Metropolitana Iztapalapa, Dept Fis, Mexico City 09340, DF, Mexico
来源：
PHYSICS LETTERS B | 2009年 / 671卷 / 01期
关键词：
Dark matter; Universal axion; Scalar field models; Halos; Rotation curves; Galaxy clusters;
D O I：
10.1016/j.physletb.2008.11.044
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Localized solutions of an axion-like scalar model with a periodic self-interaction are analyzed as a model of dark matter halos. It is shown that Such a cold Bose-Einstein type condensate can provide a substantial contribution to the observed rotations curves of galaxies, as well provide a soliton type interpretation of the dark matter 'bullets' observed via gravitational lensing in merging clusters. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：174 / 178
页数：5
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