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gr-qc1999
Vacuum-driven Metamorphosis
Leonard Parker, Alpan Raval
We show that nonperturbative vacuum effects can produce a vacuum-driven transition from a matter-dominated universe to one in which the effective equation of state is that of radia…
gr-qc1999
Notes on Black Hole Fluctuations and Backreaction
B. L. Hu, Alpan Raval, Sukanya Sinha
In these notes we prepare the ground for a systematic investigation into the issues of black hole fluctuations and backreaction by discussing the formulation of the problem, commen…