Departamento de Gravitación y Teoría de Campos

                          Seminarios 2012

  

                          Instituto de Ciencias Nucleares, UNAM
[ ICN-UNAM]

Jueves 7 de marzo, a las 17:00 hrs en la Sala de Seminarios del ICN

Edison Montoya (UNAM Morelia)

Effective Dynamics of Anisotropic Cosmologies in Loop Quantum Cosmology

We present results of numerical evolutions of effective equations for anisotropic cosmologies with spatial curvature in loop quantum cosmology. We show that the effective solutions approach the classical ones after and before the bounce. To address the issue of singularity resolution we examine the time evolution of geometrical and curvature invariants that yield information about the semiclassical spacetime geometry. We show that the modifications which come from Loop Quantum Cosmology imply a non-chaotic effective behavior in the vacuum Bianchi IX model. We also study the differences between the effective dynamics of Bianchi type I, II and IX.