Spacetime Fluctuations and the Cosmological Constant Problem
Moffat, J. W.
High Energy Physics - Phenomenology
Astrophysics
General Relativity and Quantum Cosmology
High Energy Physics - Theory
Original · EN
Spacetime geometry is treated as a fluctuating, stochastic quantum system allowing an effective quantum gravity solution to the cosmological constant problem. A Focker-Planck equation for the probability density of spacetime metric fluctuations is solved for an FRW universe and the most probable value for the metric scale factor R is for a very small cosmological constant.
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