Monday, June 24, 2013

1306.4995 (Viqar Husain et al.)

Dust time in quantum cosmology    [PDF]

Viqar Husain, Tomasz Pawlowski
We give a formulation of quantum cosmology with a pressureless dust and arbitrary additional matter fields. The dust provides a natural time gauge corresponding to a cosmic time, yielding a physical time independent Hamiltonian. The approach simplifies the analysis of both Wheeler-deWitt and loop quantum cosmology models, broadening the applicability of the latter.
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