A structure factor approach to the Sunyaev-Zel'dovich effect

被引：2
|
作者：
Sandoval-Villalbazo, A [1 ]
机构：
[1] Univ Iberoamer, Dept Ciencias, Mexico City 01210, DF, Mexico
[2] Univ Portsmouth, Sch Comp Sci & Math, Relat & Cosmol Grp, Portsmouth PO1 2EG, Hants, England
来源：
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2002年 / 313卷 / 3-4期
关键词：
collisionless hot plasmas; light scattering; cosmic background radiation;
D O I：
10.1016/S0378-4371(02)00976-7
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Structure factor theory (SFT) is applied to analyze distortions to the cosmic microwave background radiation (CMBR) due the Sunyaev-Zel'dovich Effect (SZE) in typical clusters of galaxies. It is shown that a suitable structure factor associated to a collisionless (Knudsen) gas is able to reproduce the SZE distortion of the CMBR. Physical arguments suggest that SFT yields an approximate solution to the Kompaneets equation and sets plausible values for the two "free" parameters involved in the calculation of the spectral distortion. Finally, further applications of the SFT to other standard cosmological problems are briefly discussed. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：456 / 462
页数：7
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