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Foliation dependence of black hole apparent horizons in spherical symmetry
Valerio Faraoni, George F. R. Ellis, Javad T. Firouzjaee +2
Numerical studies of gravitational collapse to black holes make use of apparent horizons, which are intrinsically foliation-dependent. We expose the problem and discuss possible so…
Schrödinger field theory in curved spacetime: In-In formalism and three-point function for inflationary background
Abasalt Rostami, Javad T. Firouzjaee
We review the Schrödinger picture of field theory in curved spacetime and using this formalism, the power spectrum of massive non-interacting, minimally coupled scalars in a fixed…
Primordial black holes in linear and non-linear regimes
Alireza Allahyari, Javad T. Firouzjaee, Ali Akbar Abolhasani
Using the concept of apparent horizon for dynamical black holes, we revisit the formation of primordial black holes (PBH) in the early universe for both linear and non-linear regim…