A theory of time from wavefunction collapse in GR predicts emergent unitary tensor graviton dynamics and identifies long-wavelength scalar modes as a viable dark matter candidate in a cosmological constant-dominated universe.
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In a quantum Bianchi type-I cosmology, the conditional probability density for zero volume vanishes for all clock times, resolving the classical singularity via Page-Wootters relational dynamics.
FeynGrav 4.0 adds a finite BRST ghost-graviton interaction set for GR and quadratic gravity plus Cheung-Remmen polynomial variables that also yield finite rules.
Diffeomorphism invariance qualifies as a gauge symmetry solely in the global sense, restricting the applicability of observables and rendering correlation-based accounts of physical content unfounded.
Derives analytical tunneling probability with exact Gaussian prefactor for closed universe creation in fixed-interval minisuperspace.
citing papers explorer
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Singularity Resolution in Quantum Cosmology via Page-Wootters Formalism
In a quantum Bianchi type-I cosmology, the conditional probability density for zero volume vanishes for all clock times, resolving the classical singularity via Page-Wootters relational dynamics.
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The Limitations of the Notion of `Observable' in Diffeomorphism-Invariant Models
Diffeomorphism invariance qualifies as a gauge symmetry solely in the global sense, restricting the applicability of observables and rendering correlation-based accounts of physical content unfounded.
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Gaussian fluctuations in the tunneling probability of a closed universe
Derives analytical tunneling probability with exact Gaussian prefactor for closed universe creation in fixed-interval minisuperspace.
- Quantum dust cores of rotating black holes