Quantizing a dust-filled universe with positive cosmological constant yields a unitary wave packet whose expectation value bounces, avoiding the classical Big Bang singularity.
Singularity avoidance in Bianchi I quantum cosmology
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
abstract
We extend recent discussions of singularity avoidance in quantum gravity from isotropic to anisotropic cosmological models. The investigation is done in the framework of quantum geometrodynamics (Wheeler-DeWitt equation). We formulate criteria of singularity avoidance for general Bianchi class A models and give explicit and detailed results for Bianchi I models with and without matter. We find that the classical singularities can generally be avoided in these models.
fields
gr-qc 1years
2025 1verdicts
CONDITIONAL 1representative citing papers
citing papers explorer
-
Unitary quantum matter-bounce in a universe with a positive cosmological constant
Quantizing a dust-filled universe with positive cosmological constant yields a unitary wave packet whose expectation value bounces, avoiding the classical Big Bang singularity.