2 papers
gr-qc2020
Hawking Radiation of Black Shells
Fernando Castro, J. Robel Arenas
A black shell consists of a massive thin spherical shell contracting toward its gravitational radius, coinciding with 't Hooft's brick wall, from the point of view of an external o…
gr-qc2011
Entanglement Entropy of Black Shells
J. Robel Arenas, J. Manuel Tejeiro
We present a coherent account of how the entanglement interpretation, thermofield dynamical description and the brick wall formulations (with the ground state correctly identified)…