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gr-qc2009★ 1 cited
An alternative non-negative gravitational energy tensor to the Bel-Robinson tensor
Lau Loi So
The Bel-Robinson tensor gives a positive definite gravitational energy in the small sphere limit approximation. However, there is an alternative tensor which…
gr-qc2009★ 12 cited
Energy-momentum density in small regions: the classical pseudotensors
Lau Loi So, James M. Nester, Hsin Chen
The values for the gravitational energy-momentum density, given by the famous classical pseudotensors: Einstein, Papapetrou, Landau-Lifshitz, Bergmann-Thompson, Goldberg, Møller, a…