Description
In the context of the loop quantum cosmology we have analyzed the
evolution of the Bianchi I model in the presence of vector fields. The
existence of the quantum of length changes visibly the evolution of the
scale factors around the Planck scale. The finite maximal energy density
epears even in the limit of vector field domination, which gives an efect
of the classicall Big Bounce. In this talk I will analyze in some detail
the LQC Bianchi I model with two scale factors and with a massless vector
field, massive vector field, massive vector and scalar fields, and with a
massive vector field with the mass term from the Higgs mechanism. All of
those scenarios offer a physical source of the anisotropic expansion in
Bianchi I model.
