72 citations · 97 across the 8 of their papers we have counts for
4 papers · 1 filter
Snyder and their representation with creation and annihilation operators
Juan M. Romero, Leonardo Ortíz
Inspired by the Schwinger's representation of angular momentum, we propose a representation of certain operators where we use the algebra of the annihilation and creation operators…
Notes on quantum fields on two dimensional spacetimes
Leonardo Ortíz
We point out how to construct the Hartle-Hawking-Israel state for the minimaly coupled massless quantum real scalar field in the two dimensional BTZ black hole. We also calculate t…
A note on the two point function on the boundary of AdS spacetime
L. Ortíz
We calculate by a new way the two point function on the boundary of AdS spacetime in 1+2 dimensions for the massless conformal real scalar field. The result agrees with the answer…
No superradiance for the scalar field in the BTZ black hole with reflexive boundary conditions
L. Ortíz
We show that there is no superradiance in the rotating BTZ black hole for vanishing boundary conditions at infinity for the real scalar field