In no-roll quantum cosmology, fixing the integration constant for potential energy yields a one-dimensional Hilbert space selecting Vilenkin's tunnelling wavefunction, while arbitrary values permit an infinite-dimensional space with a one-parameter family of boundary conditions at the singularity th
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Boundary conditions and Hilbert spaces in no-roll quantum cosmology
In no-roll quantum cosmology, fixing the integration constant for potential energy yields a one-dimensional Hilbert space selecting Vilenkin's tunnelling wavefunction, while arbitrary values permit an infinite-dimensional space with a one-parameter family of boundary conditions at the singularity th