| 平面引力波能量密度的规范不变性 |
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| 引用本文： | 王友棠. 平面引力波能量密度的规范不变性[J]. 上海交通大学学报, 1991, 25(5): 43-49 |
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| 作者姓名： | 王友棠 |
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| 作者单位： | 上海交通大学应用物理系 |
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| 摘 要： | 本文在线性与严格平面引力波情况下,讨论了不同的引力场能量动量表达式所定义的能量密度的引力规范不变性问题,并指出这两种情况仅为协变无迹能量、动量、张量给出规范不变的能量密度.
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| 关 键 词： | 引力场 规范不变性 能量密度 |
Gauge Invariance of Energy Density of Plane Gravitational Waves |
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| Wang Youtang. Gauge Invariance of Energy Density of Plane Gravitational Waves[J]. Journal of Shanghai Jiaotong University, 1991, 25(5): 43-49 |
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| Authors: | Wang Youtang |
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| Affiliation: | Wang Youtang |
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| Abstract: | This papar discusses the gravitational gauge invariance of theenergy densities difined by various expressions for the energy-momentum ofthe gravitational field in the linear and exact gravitational waves.It pointsout that in both cases only the covariant traceless energy-momentum tensorgives the energy densities which are gravitational gauge invariant. |
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| Keywords: | general relativity gravitational energy gauge invariance |
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