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20 papers · 2 filters
Canonical charges and asymptotic symmetry algebra of conformal gravity
Maria Irakleidou, Iva Lovrekovic, Florian Preis
We study canonical conformal gravity in four dimensions and construct the gauge generators and the associated charges. Using slightly generalized boundary conditions compared to th…
Flat space (higher spin) gravity with chemical potentials
Michael Gary, Daniel Grumiller, Max Riegler +1
We introduce flat space spin-3 gravity in the presence of chemical potentials and discuss some applications to flat space cosmology solutions, their entropy, free energy and flat s…
Entanglement entropy in Galilean conformal field theories and flat holography
Arjun Bagchi, Rudranil Basu, Daniel Grumiller +1
We present the analytical calculation of entanglement entropy for a class of two dimensional field theories governed by the symmetries of the Galilean conformal algebra, thus provi…
Interacting spin-2 fields in three dimensions
Hamid R. Afshar, Eric A. Bergshoeff, Wout Merbis
Using the frame formulation of multi-gravity in three dimensions, we show that demanding the presence of secondary constraints which remove the Boulware-Deser ghosts restricts the…
Flat space cosmologies in two dimensions - Phase transitions and asymptotic mass-domination
Arjun Bagchi, Daniel Grumiller, Jakob Salzer +2
We study flat space cosmologies in two dimensions by taking the flat space limit of the Achucarro-Ortiz model. We unravel a phase transition between hot flat space and flat space c…
Flat Space Limit of (Higher-Spin) Cardy Formula
Max Riegler
In this note I derive the flat space limit of the modified Cardy formula associated with inner horizons and show that it reproduces the correct Galilean conformal field theory coun…