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gr-qc2006★ 30 cited
Why Does Gravity Ignore the Vacuum Energy?
T. Padmanabhan
The equations of motion for matter fields are invariant under the shift of the matter lagrangian by a constant. Such a shift changes the energy momentum tensor of matter by T^a_b -…
gr-qc2003
A note on the thermodynamics of gravitational radiation
T. Padmanabhan, T. P. Singh
It is shown that linearized gravitational radiation confined in a cavity can achieve thermal equilibrium if the mean density of the radiation and the size of the cavity satisfy cer…