Factor ordering in standard quantum cosmology
| Authors | |
|---|---|
| Year of publication | 2006 |
| Type | Article in Periodical |
| Magazine / Source | Classical and Quantum Gravity |
| MU Faculty or unit | |
| Citation | |
| Field | Theoretical physics |
| Keywords | Quantum Friedmann models with scalar field; factor ordering of Hamiltonian constraint; critical energy; cosmological constant |
| Description | The Wheeler-DeWitt equation of Friedmann models with a massless scalar field is formulated with arbitrary factor ordering of the Hamiltonian constraint and a scalar product of wave functions is constructed. A critical energy of the matter field turns out to be necessary for a dynamical evolution of the wave function of the model. The introduction of a cosmological constant does not change the essential features. |
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