Effective universality in quantum gravity

Eichhorn, Astrid; Labus, Peter; Pawlowski, Jan M.; Reichert, Manuel

doi:10.21468/SciPostPhys.5.4.031

SciPost Physics

Effective universality in quantum gravity

Astrid Eichhorn, Peter Labus, Jan M. Pawlowski, Manuel Reichert

SciPost Phys. 5, 031 (2018) · published 4 October 2018

doi: 10.21468/SciPostPhys.5.4.031
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Abstract

We investigate the asymptotic safety scenario for a scalar-gravity system. This system contains two avatars of the dynamical Newton coupling, a gravitational self-coupling and a scalar-graviton coupling. We uncover an effective universality for the dynamical Newton coupling on the quantum level: its momentum-dependent avatars are in remarkable quantitative agreement in the scaling regime of the UV fixed point. For the background Newton coupling, this effective universality is not present, but qualitative agreement remains.

TY  - JOUR
PB  - SciPost Foundation
DO  - 10.21468/SciPostPhys.5.4.031
TI  - Effective universality in quantum gravity
PY  - 2018/10/04
UR  - https://www.scipost.org/SciPostPhys.5.4.031
JF  - SciPost Physics
JA  - SciPost Phys.
VL  - 5
IS  - 4
SP  - 031
A1  - Eichhorn, Astrid
AU  - Labus, Peter
AU  - Pawlowski, Jan M.
AU  - Reichert, Manuel
AB  - We investigate the asymptotic safety scenario for a scalar-gravity system. This system contains two avatars of the dynamical Newton coupling, a gravitational self-coupling and a scalar-graviton coupling. We uncover an effective universality for the dynamical Newton coupling on the quantum level: its momentum-dependent avatars are in remarkable quantitative agreement in the scaling regime of the UV fixed point. For the background Newton coupling, this effective universality is not present, but qualitative agreement remains.
ER  -

@Article{10.21468/SciPostPhys.5.4.031,
	title={{Effective universality in quantum gravity}},
	author={Astrid Eichhorn and Peter Labus and Jan M. Pawlowski and Manuel Reichert},
	journal={SciPost Phys.},
	volume={5},
	pages={031},
	year={2018},
	publisher={SciPost},
	doi={10.21468/SciPostPhys.5.4.031},
	url={https://scipost.org/10.21468/SciPostPhys.5.4.031},
}

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Ontology / Topics

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Quantum gravity Ultraviolet (UV) fixed points

Authors / Affiliations: mappings to Contributors and Organizations

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¹ Astrid Eichhorn,
² Peter Labus,
¹ ³ Jan M. Pawlowski,
¹ Manuel Reichert

Funders for the research work leading to this publication