One-loop quantum gravity from the N=4 spinning particle

Bastianelli, Fiorenzo; Bonezzi, Roberto; Corradini, Olindo; Latini, Emanuele

doi:10.1007/JHEP11(2019)124

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One-loop quantum gravity from the N=4 spinning particle

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Bastianelli, Fiorenzo
AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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1909.05750.pdf
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Bastianelli2019_Article_One-loopQuantumGravityFromTheN.pdf
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Citation

Bastianelli, F., Bonezzi, R., Corradini, O., & Latini, E. (2019). One-loop quantum gravity from the N=4 spinning particle. Journal of High Energy Physics, 2019(11): 124. doi:10.1007/JHEP11(2019)124.

Cite as: https://hdl.handle.net/21.11116/0000-0004-CCAB-6

Abstract

We construct a spinning particle that reproduces the propagation of the
graviton on those curved backgrounds which solve the Einstein equations, with
or without cosmological constant, i.e. Einstein manifolds. It is obtained by
modifying the N=4 supersymmetric spinning particle by relaxing the gauging of
the full SO(4) R-symmetry group to a parabolic subgroup, and selecting suitable
Chern-Simons couplings on the worldline. We test it by computing the correct
one-loop divergencies of quantum gravity in D=4.