It is found that energy density of static sphere symmetry of gravitational field is negative in the sphere coordinates and their energy density is positive definite in the Cartesian coordinates.
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美
- 在球坐標系和直角坐標系下我們用Einstien-Tolman(E-T)表述計算球對稱(chēng)靜態(tài)引力場(chǎng)的能量密度,發(fā)現在球坐標系下能量密度為負,而在直角坐標系下能量密度為正;
