Spacetime and Planck mass generation from scale-invariant degenerate gravity
arXiv:2411.17238 · doi:10.1103/PhysRevD.111.046002
Abstract
We investigate a gravitational model based on local Lorentz invariance and general coordinate invariance. The model incorporates classical scale invariance, which forbids dimensionful parameters, and the irreversible vierbein postulate, which enables continuous degenerate limits of the vierbein, both at a specific scale. Through the dynamics of the system, we demonstrate the simultaneous emergence of the Planck mass and a curved spacetime background.
arXiv comment18 pages, 2 figures, version published in Phys. Rev. D
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