53 citations · 579 across the 48 of their papers we have counts for
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gr-qc2021
Unitarily inequivalent quantum cosmological bouncing models
Jaime de Cabo Martin, Przemysław Małkiewicz, Patrick Peter
By quantising the background as well as the perturbations in a simple one fluid model, we show that there exists an ambiguity in the choice of relevant variables, potentially leadi…
gr-qc2021★ 3 cited
Dirac procedure and the Hamiltonian formalism for cosmological perturbations in a Bianchi I universe
Alice Boldrin, Przemysław Małkiewicz
We apply the Dirac procedure for constrained systems to the Arnowitt-Deser-Misner formalism linearized around the Bianchi I universe. We discuss and employ basic concepts such as D…