Evolution in bouncing quantum cosmology

Understand

We present the method of describing an evolution in quantum cosmology in the framework of the reduced phase space quantization of loop cosmology.

• We apply our method to the flat Friedman-Robertson-Walker model coupled to a massless scalar field.
• We identify the physical quantum Hamiltonian that is positive-definite and generates globally an unitary evolution of considered quantum system.
• We examine properties of expectation values of physical observables in the process of the quantum big bounce transition.