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Galaxies 2018, 6(1), 24; https://doi.org/10.3390/galaxies6010024

Cosmological Constant and Renormalization of Gravity

1
Department of Physics, Nagoya University, Nagoya 464-8602, Japan
2
Kobayashi-Maskawa Institute for the Origin of Particles and the Universe, Nagoya University, Nagoya 464-8602, Japan
3
KEK Theory Center, High Energy Accelerator Research Organization (KEK), Oho 1-1, Tsukuba 305-0801, Ibaraki, Japan
Received: 23 October 2017 / Revised: 20 December 2017 / Accepted: 13 February 2018 / Published: 18 February 2018
(This article belongs to the Special Issue Cosmology and the Quantum Vacuum)
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Abstract

In arXiv:1601.02203 and arXiv:1702.07063, we have proposed a topological model with a simple Lagrangian density and have tried to solve one of the cosmological constant problems. The Lagrangian density is the BRS exact and therefore the model can be regarded as a topological theory. In this model, the divergence of the vacuum energy coming from the quantum corrections from matters can be absorbed into the redefinition of the scalar field. In this paper, we consider the extension of the model in order to apply the mechanism to other kinds of divergences coming from the quantum correction and consider the cosmology in an extended model. View Full-Text
Keywords: cosmological constant; quantum gravity; renormalization cosmological constant; quantum gravity; renormalization
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Nojiri, S. Cosmological Constant and Renormalization of Gravity. Galaxies 2018, 6, 24.

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