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New primordial-magnetic-field limit from the latest LIGO S5 data
Wang, S.; Wang, S , Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China
2010
发表期刊PHYSICAL REVIEW D
ISSN1550-7998
卷号81期号:2页码:-
摘要Since the energy momentum tensor of a magnetic field always contains a spin-2 component in its anisotropic stress, stochastic primordial magnetic field (PMF) in the early universe must generate stochastic gravitational-wave (GW) background. This process will greatly affect the relic gravitational wave (RGW), which is one of the major scientific goals of the laser interferometer GW detections. Recently, the fifth science (S5) run of laser interferometer gravitational-wave observatory (LIGO) gave a latest upper limit Omega(GW) < 6.9 x 10(-6) on the RGW background. Utilizing this upper limit, we derive new PMF limits: for a scale of galactic cluster lambda = 1 Mpc, the amplitude of PMF, that produced by the electroweak phase transition, has to be weaker than B(lambda) <= 4 x 10(-7) G; for a scale of supercluster lambda = 100 Mpc, the amplitude of PMF has to be weaker than B(lambda) <= 9 x 10(-11) G. In this manner, GW observation has potential to make interesting contributions to the study of primordial magnetic field.
部门归属[Wang, S] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China; [Wang, S] Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Relic Gravitational-waves Microwave Background Polarization Probe Wmap Observations Faraday-rotation Accelerating Universe Inflation Cosmology Origin
学科领域Physics
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收录类别SCI
WOS记录号WOS:000275068900009
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被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5181
专题理论物理所SCI论文
通讯作者Wang, S , Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China
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Wang, S.,Wang, S , Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China. New primordial-magnetic-field limit from the latest LIGO S5 data[J]. PHYSICAL REVIEW D,2010,81(2):-.
APA Wang, S.,&Wang, S , Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China.(2010).New primordial-magnetic-field limit from the latest LIGO S5 data.PHYSICAL REVIEW D,81(2),-.
MLA Wang, S.,et al."New primordial-magnetic-field limit from the latest LIGO S5 data".PHYSICAL REVIEW D 81.2(2010):-.
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