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Open Quantum Systems Decoherence Quantum Gravity Relativistic Quantum Information Quantum Simulation

Asymptotically free mimetic gravity

DOAJ

Authors: Ali H. Chamseddine, Viatcheslav Mukhanov, Tobias B. Russ

Year

2019

Paper ID

30453

Status

Peer-reviewed

Abstract Read

~2 min

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Abstract

Abstract The idea of “asymptotically free” gravity is implemented using a constrained mimetic scalar field. The effective gravitational constant is assumed to vanish at some limiting curvature. As a result singularities in spatially flat Friedmann and Kasner universes are avoided. Instead, the solutions in both cases approach a de Sitter metric with limiting curvature. We show that quantum metric fluctuations vanish when this limiting curvature is approached.

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Abstract The idea of “asymptotically free” gravity is implemented using a constrained mimetic scalar field.

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References & Citation Signals

[1] DOI https://doi.org/10.1140/epjc/s10052-019-7075-y [2] Publisher http://link.springer.com/article/10.1140/epjc/s10052-019-7075-y

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