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题名: Statistical and Dynamical Decoupling of the IGM from Dark Matter
作者: Fang, Li-Zhi1; Zhu, Weishan1, 2
刊名: ADVANCES IN ASTRONOMY
出版日期: 2011
DOI: 10.1155/2011/492980
文章类型: Review
英文摘要: Although the gravitational field in the universe is dominated by dark matter, cosmological observations show that the statistical properties of cosmic baryonic matter are significantly and systematically decoupled from that of the underlying dark matter. The dynamical reason of the decoupling is the difference of the nonlinear evolution of baryon fluid from that of collisionless dark matter. In highly nonlinear regime, the cosmic baryon fluid on scale free range evolves into the state of fully developed turbulence, of which the velocity field consists of shocks, vortices and complex structures. This scenario provides a coherent explanation of various phenomena referring to the statistical and dynamical decoupling of the IGM from dark matter.
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Astronomy & Astrophysics
研究领域[WOS]: Astronomy & Astrophysics
收录类别: SCI
语种: 英语
WOS记录号: WOS:000208833300010
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内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/15978
Appears in Collections:南极天文中心_期刊论文

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作者单位: 1.Univ Arizona, Dept Phys, Tucson, AZ 85721 USA
2.Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
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