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10 papers · 2 filters
Infrared Propagator Corrections for Constant Deceleration
T. M. Janssen, S. P. Miao, T. Prokopec +1
We derive the propagator for a massless, minimally coupled scalar on a -dimensional, spatially flat, homogeneous and isotropic background with arbitrary constant deceleration pa…
Black Hole Thermodynamics and Statistical Mechanics
Steven Carlip
We have known for more than thirty years that black holes behave as thermodynamic systems, radiating as black bodies with characteristic temperatures and entropies. This behavior i…
Graviton one-loop effective action and inflationary dynamics
Tomas Janssen, Shun-Pei Miao, Tomislav Prokopec
We consider the one-loop effective action due to gravitons in a FLRW background with constant epsilon=-(dH/dt)/H^2. By expanding around epsilon=0 (corresponding to an expansion aro…
The graviton one-loop effective action in cosmological space-times with constant deceleration
Tomas Janssen, Tomislav Prokopec
We consider the quantum Friedmann equations which include one-loop vacuum fluctuations due to gravitons and scalar field matter in a FLRW background with constant $ε=-{\dot{H}}/{H^…
The Self-Organized de Sitter Universe
J. Ambjorn, J. Jurkiewicz, R. Loll
We propose a theory of quantum gravity which formulates the quantum theory as a nonperturbative path integral, where each spacetime history appears with a weight given by the expon…
Resolving Curvature Singularities in Holomorphic Gravity
Christiaan L. M. Mantz, Tomislav Prokopec
We formulate holomorphic theory of gravity and study how the holomorphy symmetry alters the two most important singular solutions of general relativity: black holes and cosmology.…