119 citations · 436 across the 31 of their papers we have counts for
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gr-qc2010★ 1 cited
Time Evolution of Horizons
Arundhati Dasgupta
A density matrix is defined using coherent states for space-times with apparent horizons. Evolving the density matrix in time gives the origin of Hawking radiation.
gr-qc2010
Entropic Origin of Hawking Radiation
Arundhati Dasgupta
We describe a black hole slice by a density matrix and evolve the slice in semiclassical time to search for the origin of Hawking radiation.