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Locally Covariant Approach to Effective Quantum Gravity
Despite the fact that quantum gravity is non-renormalizable, a consistent and mathematically rigorous construction of a perturbation series is...
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Cosmological Applications of Loop Quantum Gravity
After a brief introduction to classical and quantum gravity we discuss applications of loop quantum gravity in the cosmological realm. This includes...
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Lattice Quantum Gravity: EDT and CDT
This chapter contains an overview of the use of so-called Euclidean dynamical triangulations (EDT) and causal dynamical triangulations (CDT) as...
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Quantum atmosphere effective radii for different spin fields from quantum gravity inspired black holes
Quantum atmosphere effective radii for the emission of spin-0, 1/2, 1, and 2 massless fields from Schwarzschild, Tangherlini, non-commutative...
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Quantum Tests of Gravity
We give an introduction to quantum tests of gravity including simple exercises. The first part comprises a brief review of the foundations and the...
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Spacetime instability and quantum gravity as low energy effective field theory
We discuss spacetime instability for effective field theories of quantum gravity. The effective action of gravity introduces infinite higher...
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Loop Quantum Gravity and Quantum Information
We summarize recent developments at the interface of quantum gravity and quantum information and discuss applications to the quantum geometry of...
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Perturbative Approaches to Nonperturbative Quantum Gravity
We discuss the birth of the nonperturbative approach to quantum gravity known as quantum Einstein gravity, in which the gravitational interactions...
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Quantum hair in electrodynamics and gravity
We demonstrate the existence of quantum hair in electrodynamics and gravity using effective action techniques. In the case of electrodynamics we use...
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Gauge Invariant Renormalizability of Quantum Gravity
The current understanding of renormalization in quantum gravity (QG) is based on the fact that UV divergences of effective actions in the covariant...
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Analogue simulations of quantum gravity with fluids
Technological advances in controlling and manipulating fluids have enabled the experimental realization of acoustic analogues of gravitational black...
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Quantum conformal gravity
We present the manifestly covariant canonical operator formalism of a Weyl invariant (or equivalently, a locally scale invariant) gravity whose...
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Renormalizability of nonlocal quantum gravity coupled to matter
We extensively study the ultraviolet quantum properties of a nonlocal action for gravity nonminimally coupled to matter. The theory unifies matter...
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One-loop effective action and emergent gravity on quantum spaces in the IKKT matrix model
A detailed derivation of 3 + 1 dimensional induced or emergent gravity in the IKKT matrix model at one loop is given, as announced in [
1 ]. The... -
Quantum Gravity and Scale Symmetry in Cosmology
We discuss predictions for cosmology which result from the scaling solution of functional flow equations for a quantum field theory of gravity. A...
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Formation and evaporation of quantum black holes from the decoupling mechanism in quantum gravity
We propose a new method to account for quantum-gravitational effects in cosmological and black hole spacetimes. At the core of our construction is...
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Islands in non-minimal dilaton gravity: exploring effective theories for black hole evaporation
We start from (3 + 1)-dimensional Einstein gravity with minimally coupled massless scalar matter, through spherical dimensional reduction, the matter...
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Quantum General Relativity and Effective Field Theory
This is a review of some of the concepts and results of the effective field theory treatment of quantum general relativity. Included are lessons of...
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On Efforts to Decouple Early Universe Cosmology and Quantum Gravity Phenomenology
The Big Bang singularity in standard model cosmology suggests a program of study in ‘early universe’ quantum gravity phenomenology. Inflation is...
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Search for decoherence from quantum gravity with atmospheric neutrinos
Neutrino oscillations at the highest energies and longest baselines can be used to study the structure of spacetime and test the fundamental...
