Unique factor ordering in the continuum limit of LQC
classification
🌀 gr-qc
astro-phhep-phhep-th
keywords
factororderingambiguitiesargumentsassociatedchoicecoincidesconsistency
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We show that the factor ordering ambiguities associated with the loop quantisation of the gravitational part of the cosmological Hamiltonian constraint, disappear at the level of Wheeler-DeWitt equation only for a particular choice of lattice refinement model, which coincides with constraints imposed from phenomenological and consistency arguments.
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Cited by 1 Pith paper
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Ordering-Independent Wheeler-DeWitt Equation for Flat Minisuperspace Models
Path-integral measures determine operator orderings for the Wheeler-DeWitt equation in flat minisuperspace models, with all consistent choices yielding identical physical observables via field redefinition Jacobians.
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