Unimodular quantum gravity and the cosmological constant

DOI10.1007/s10701-018-0189-5zbMath1417.83006arXiv1712.09903OpenAlexW3104698705WikidataQ129617261 ScholiaQ129617261MaRDI QIDQ1735861

Roberto Percacci

Publication date: 29 March 2019

Published in: Foundations of Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1712.09903

zbMATH Keywords

quantum gravitycosmological constantunimodular groupscosmological constant problemvacuum energy

Mathematics Subject Classification ID

Relativistic cosmology (83F05) Quantum field theory on curved space or space-time backgrounds (81T20) Quantization of the gravitational field (83C45) Finite-dimensional groups and algebras motivated by physics and their representations (81R05) Astrophysical cosmology (85A40)

Related Items (19)

Lie and Leibniz algebras of lower-degree conservation laws ⋮ Unimodular gravity vs general relativity: a status report ⋮ A note on unimodular N=1, d=4 AdS supergravity ⋮ Off-shell unimodular \(N = 1, \quad d = 4\) supergravity ⋮ A note on unfree gauge symmetry ⋮ Unfree gauge symmetry in the Hamiltonian formalism ⋮ The cosmological constant as a boundary term ⋮ Reference Level of the Vacuum Energy Density of the Universe and Astrophysical Data ⋮ What do gravitons say about (unimodular) gravity? ⋮ Massive unimodular gravity ⋮ Non-minimal tinges of unimodular gravity ⋮ Unimodular quantum gravity: steps beyond perturbation theory ⋮ The continuum limit of quantum gravity at second order in perturbation theory ⋮ Reducible gauge symmetry versus unfree gauge symmetry in Hamiltonian formalism ⋮ Can quantum fluctuations differentiate between standard and unimodular gravity? ⋮ A link that matters: towards phenomenological tests of unimodular asymptotic safety ⋮ Compact objects in unimodular gravity ⋮ New Weyl-invariant vector-tensor theory for the cosmological constant ⋮ Losing the trace to find dynamical Newton or Planck constants

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