24 citations · 153 across the 16 of their papers we have counts for
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gr-qc2019★ 9 cited
Exploring the Rindler vacuum and the Euclidean Plane
Karthik Rajeev, T. Padmanabhan
In flat spacetime, two inequivalent vacuum states which arise rather naturally are the Rindler vacuum (R) and the Minkowski vacuum (M). We disuss several aspects of the Rindler vac…
gr-qc2019★ 13 cited
Generalized Schwinger effect and particle production in an expanding universe
Karthik Rajeev, Sumanta Chakraborty, T. Padmanabhan
We discuss several aspects of particle production in: (a) time dependent electric field and (b) expanding Friedmann background. In the first part of the paper, we provide an algebr…