338 citations · 507 across the 2 of their papers we have counts for
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gr-qc2007★ 338 cited
Dark Energy and Gravity
T. Padmanabhan
I review the problem of dark energy focusing on the cosmological constant as the candidate and discuss its implications for the nature of gravity. Part 1 briefly overviews the curr…
gr-qc2007★ 169 cited
Entropy of Null Surfaces and Dynamics of Spacetime
T. Padmanabhan, Aseem Paranjape
The null surfaces of a spacetime act as one-way membranes and can block information for a corresponding family of observers (time-like curves). Since lack of information can be rel…
gr-qc2004
Entropy of Horizons, Complex Paths and Quantum Tunneling
T. Padmanabhan
In any spacetime, it is possible to have a family of observers following a congruence of timelike curves such that they do not have access to part of the spacetime. This lack of in…