4 papers
Semiclassical spacetimes at super-Planckian scales from delocalized sources
Ali Akil, Mariano Cadoni, Leonardo Modesto +2
We derive the gravitational field and the spacetime metric generated by sources in quantum superposition of different locations. We start by working in a Newtonian approximation, i…
Gauge Invariance, Polar Coordinates and Inflation
Ali Akil, Xi Tong
We point out the necessity of resolving the apparent gauge dependence in the quantum corrections of cosmological observables for Higgs-like inflation models. We highlight the fact…
A Firepoint at the Black Hole Singularity
Ali Akil, Oscar Dahlsten, Leonardo Modesto
In his original derivation, Hawking showed that a Schwarzschild black hole is unstable at quantum level and it evolves to a final thermal mixed state violating unitarity. There are…
Entanglement swapping in black holes: restoring predictability
Ali Akil, Oscar Dahlsten, Leonardo Modesto
Hawking's black hole evaporation process suggests that we may need to choose between quantum unitarity and other basic physical principles such as no-signalling, entanglement monog…