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23 papers · 2 filters
Non-Renormalization and Naturalness in a Class of Scalar-Tensor Theories
Claudia de Rham, Gregory Gabadadze, Lavinia Heisenberg +1
We study the renormalization of some dimension-4, 7 and 10 operators in a class of nonlinear scalar-tensor theories. These theories are invariant under: (a) linear diffeomorphisms…
Quantum hair and the string-black hole correspondence
Gabriele Veneziano
We consider a thought experiment in which an energetic massless string probes a "stringhole" (a heavy string lying on the correspondence curve between strings and black holes) at l…
Inflation from Flux Cascades
Guido D'Amico, Roberto Gobbetti, Matthew Kleban +1
When electric-type flux threads compact extra dimensions, a quantum nucleation event can break a flux line and initiate a cascade that unwinds many units of flux. Here, we present…
Unwinding Inflation
Guido D'Amico, Roberto Gobbetti, Matthew Kleban +1
Higher-form flux that extends in all 3+1 dimensions of spacetime is a source of positive vacuum energy that can drive meta-stable eternal inflation. If the flux also threads compac…
Mutual information between thermo-field doubles and disconnected holographic boundaries
Ian A. Morrison, Matthew M. Roberts
We use mutual information as a measure of the entanglement between 'physical' and thermo-field double degrees of freedom in field theories at finite temperature. We compute this "t…
Bose-Fermi duality and entanglement entropies
Matthew Headrick, Albion Lawrence, Matthew M. Roberts
Entanglement (Renyi) entropies of spatial regions are a useful tool for characterizing the ground states of quantum field theories. In this paper we investigate the extent to which…