Can the Big Bang Singularity be avoided by a single scalar field?

Details Can the Big Bang Singularity be avoided by a single scalar field? Can the Big Bang Singularity be avoided by a single scalar field?

2010-07-17

arxiv.org/abs/1007.2929v2

Class.Quant.Grav.27:215013,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 7 figures

Scientific paper

10.1088/0264-9381/27/21/215013

In this note, we investigate the possibility of avoiding the Big Bang singularity with a single scalar field which couples non-minimally to gravity. We show that in the case that gravity couples linearly to the field, some severe conditions on the field's potential have to be imposed. However, in non-linear case, it is quite generic to avoid the singularity with single scalar field.

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