32 citations · 171 across the 20 of their papers we have counts for
3 papers · 1 filter
Physical scale adiabatic regularization in cosmological spacetimes
Antonio Ferreiro, Samuel Monin, Francisco Torrenti
We develop a new regularization method for the stress-energy tensor and the two-point function of free quantum scalar fields propagating in cosmological spacetimes. We proceed by e…
Comment on "Gravitational Pair Production and Black Hole Evaporation"
Antonio Ferreiro, Jose Navarro-Salas, Silvia Pla
We scrutinize the recent Letter "Gravitational pair production and black hole evaporation" by M.F. Wondrak, W.D. van Suijlekom and H. Falcke [Phys. Rev. Lett. 130, 221502 (2023); a…
Instantaneous vacuum and States of Low Energy for a scalar field in cosmological backgrounds
Antonio Ferreiro, Silvia Pla
We construct the instantaneous vacuum state for a quantum scalar field coupled to another classical scalar field as described in [1]. We then compare it with the state of low energ…