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gr-qc2019★ 3 cited
Fock quantization of the Dirac field in hybrid quantum cosmology: Relation with adiabatic states
Beatriz Elizaga Navascués, Guillermo A. Mena Marugán, Santiago Prado
We study the relation between the Fock representations for a Dirac field given by the adiabatic scheme and the unique family of vacua with a unitarily implementable quantum evoluti…
gr-qc2019
Hamiltonian diagonalization in hybrid quantum cosmology
Beatriz Elizaga Navascués, Guillermo A. Mena Marugán, Thomas Thiemann
We explore the possibility of selecting a natural vacuum state for scalar and tensor gauge-invariant cosmological perturbations in the context of hybrid quantum cosmology, by ident…