2009/10/13 by Abhik Kumar Sanyal
Physics and Astronomy · #Noncommutative and Quantum Gravity Theories #Quantum Mechanics and Applications #Quantum Mechanics and Non-Hermitian Physics #gr-qc
paper · pdf · doi:10.1186/1754-0410-3-5
published as PMC Phys.A3:5,2009 · 15 pages
arxiv created 2009/10/13 · openalex publication_date 2009/10/22 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/29
The quantum cosmological version of a nonsingular Universe presented by Mukhanov and Brandenberger in the early nineties has been developed and the Hamilton Jacobi equation has been found under semiclassical (WKB) approximation. It has been pointed out that, parameterization of classical trajectories with semiclassical time parameter, for such a classically constrained system, is a nontrivial task and requires Lagrangian formulation rather than the Hamiltonian formalism. PACS Codes: 98.80.Qc, 04.50.Kd.