Scalar Field and Nonsingular Cosmology Within Gauge Theories of Gravity

Details Scalar Field and Nonsingular Cosmology Within Gauge Theories of Gravity Scalar Field and Nonsingular Cosmology Within Gauge Theories of Gravity

Feb 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005tmgm.meet.1480v&link_type=abstract

The Tenth Marcel Grossmann Meeting. Proceedings of the MG10 Meeting held at Brazilian Center for Research in Physics (CBPF), Rio

Physics

Scientific paper

At high energy densities the geometry of the Universe could deviate from Riemaniann, and correct description of the Universe evolution can be given within framework of gauge theories of gravity. One of the most important cosmological implications of such theories is a possibility to avoid cosmological singularity of general relativity. From the other hand, it is a wide spread opinion that at the early Universe the scalar field could give dominant contribution to the energy density. Solutions of cosmological equations of gauge theories of gravity for the Universe filled by scalar field are discussed. Special attention is devoted to initial conditions for inflation and conditions leading to nonsingular solutions.

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