2 papers
gr-qc2019
Gravity and Quantum Theory: Domains of Conflict and Contact
T. Padmanabhan
There are two strong clues about the quantum structure of spacetime and the gravitational dynamics, which are almost universally ignored in the conventional approaches to quantize…
gr-qc2019
Boundary Term in the Gravitational Action is the Heat Content of the Null surfaces
Sumanta Chakraborty, T. Padmanabhan
The Einstein-Hilbert Lagrangian has no well-defined variational derivative with respect to the metric. This issue has to be tackled by adding a suitable surface term to the action,…