Publication details

Quantum time evolution of a closed Friedmann model



Year of publication 2002
Type Article in Periodical
Magazine / Source Classical and Quantum Gravity
MU Faculty or unit

Faculty of Science

Field Theoretical physics
Keywords Quantum cosmology; Ashtekar variables; time evolution; classical limit
Description The hamiltonian constraint equation is solved for a closed, homogenous, isotropic cosmological model in Ashtekar variables. With the aid of matter in form of incoherent dust a quantum time evolution is introduced. This evolution smoothes out the singularities and approximates classical time evolution in the large-scale limit.
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