ITP OpenIR  > 理论物理所2011年知识产出
True radiation gauge for gravity
Chen, XS; Zhu, BC; Chen, XS (reprint author), Huazhong Univ Sci & Technol, Dept Phys, Wuhan 430074, Peoples R China.
2011
发表期刊PHYSICAL REVIEW D
ISSN1550-7998
卷号83期号:6页码:61501
摘要Corresponding to the similarity between the Lorentz gauge partial derivative(mu)A(mu) = 0 in electrodynamics and g(mu nu)Gamma(rho)(mu nu) = 0 in gravity, we show that the counterpart of the radiation gauge partial derivative(i)A(i) = 0 is g(ij)Gamma(rho)(ij) = 0, instead of other forms as discussed before. Particularly, 1) at least for a weak field, g(ij)Gamma(rho)(ij) = 0 fixes the gauge completely and picks out exactly the two physical components of the gravitational field; 2) like A(0), the nondynamical components h(0 mu) are solved instantaneously; 3) gravitational radiation is generated by the "transverse" part of the energy-momentum tensor, similar to the transverse current (J) over right arrow (perpendicular to). This "true" radiation gauge g(ij)Gamma(rho)(ij) = 0 is especially pertinent for studying gravitational energy, such as the energy flow in gravitational radiation. It agrees with the transverse-traceless gauge for a pure wave, and reveals remarkably how the transverse-traceless gauge can be adapted in the presence of source.
部门归属[Chen, Xiang-Song; Zhu, Ben-Chao] Huazhong Univ Sci & Technol, Dept Phys, Wuhan 430074, Peoples R China; [Chen, Xiang-Song] Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Peoples R China; [Chen, Xiang-Song] CAS, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China
关键词Relativity
学科领域Physics
资助者National Natural Science Foundation of China [10875082, 11035003]; China Education Department ; National Natural Science Foundation of China [10875082, 11035003]; China Education Department ; National Natural Science Foundation of China [10875082, 11035003]; China Education Department ; National Natural Science Foundation of China [10875082, 11035003]; China Education Department
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收录类别SCI
语种英语
资助者National Natural Science Foundation of China [10875082, 11035003]; China Education Department ; National Natural Science Foundation of China [10875082, 11035003]; China Education Department ; National Natural Science Foundation of China [10875082, 11035003]; China Education Department ; National Natural Science Foundation of China [10875082, 11035003]; China Education Department
WOS记录号WOS:000288006000001
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被引频次:8[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/311006/14394
专题理论物理所2011年知识产出
通讯作者Chen, XS (reprint author), Huazhong Univ Sci & Technol, Dept Phys, Wuhan 430074, Peoples R China.
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GB/T 7714
Chen, XS,Zhu, BC,Chen, XS . True radiation gauge for gravity[J]. PHYSICAL REVIEW D,2011,83(6):61501.
APA Chen, XS,Zhu, BC,&Chen, XS .(2011).True radiation gauge for gravity.PHYSICAL REVIEW D,83(6),61501.
MLA Chen, XS,et al."True radiation gauge for gravity".PHYSICAL REVIEW D 83.6(2011):61501.
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