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Cosmic Information, the Cosmological Constant and the Amplitude of primordial perturbations
T. Padmanabhan, Hamsa Padmanabhan
A unique feature of gravity is its ability to control the information accessible to any specific observer. We quantify the notion of cosmic information ('CosmIn') for an eternal ob…
Cosmological Constant from the Emergent Gravity Perspective
T. Padmanabhan, Hamsa Padmanabhan
Observations indicate that our universe is characterized by a late-time accelerating phase, possibly driven by a cosmological constant , with the dimensionless parameter $ΛL_P^2…
Non-relativistic limit of quantum field theory in inertial and non-inertial frames and the Principle of Equivalence
Hamsa Padmanabhan, T. Padmanabhan
We discuss the non-relativistic limit of quantum field theory in an inertial frame, in the Rindler frame and in the presence of a weak gravitational field, highlighting and clarify…
Aspects of electrostatics in a weak gravitational field
Hamsa Padmanabhan, T. Padmanabhan
Several features of electrostatics of point charged particles in a weak, homogeneous, gravitational field are discussed using the Rindler metric to model the gravitational field. S…