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8 papers · 2 filters
Local temperatures and local terms in modular Hamiltonians
Raul Arias, David Blanco, Horacio Casini +1
We show there are analogues to the Unruh temperature that can be defined for any quantum field theory and region of the space. These local temperatures are defined using relative e…
Massless Interacting Scalar Fields in de Sitter space
Diana López Nacir, Francisco D. Mazzitelli, Leonardo G. Trombetta
We present a method to compute the two-point functions for an scalar field model in de Sitter spacetime, avoiding the well known infrared problems for massless fields. The m…
On the Difference Between the Vacuum Casimir Energies for Grounded and Isolated Conductors
C. D. Fosco, F. C. Lombardo, F. D. Mazzitelli
We study the vacuum (i.e., zero-temperature) Casimir energy for a system of neutral conductors which are isolated, as opposed to grounded. The former is meant to describe a situati…
Nonsupersymmetric dualities from mirror symmetry
Shamit Kachru, Michael Mulligan, Gonzalo Torroba +1
We study supersymmetry breaking perturbations of the simplest dual pair of 2+1-dimensional N = 2 supersymmetric field theories -- the free chiral multiplet and N = 2 super-QED with…
Bosonization and Mirror Symmetry
Shamit Kachru, Michael Mulligan, Gonzalo Torroba +1
We study bosonization in 2+1 dimensions using mirror symmetry, a duality that relates pairs of supersymmetric theories. Upon breaking supersymmetry in a controlled way, we dynamica…
The g-theorem and quantum information theory
Horacio Casini, Ignacio Salazar Landea, Gonzalo Torroba
We study boundary renormalization group flows between boundary conformal field theories in dimensions using methods of quantum information theory. We define an entropic -f…