An emergent universe supported by a nonlinear sigma model
arXiv:0904.0773 · doi:10.1088/0264-9381/26/7/075017
Abstract
We suggest the use of a nonlinear sigma model as the source which supports an emergent universe. The two-component nonlinear sigma model is considered as the simplest model containing inflaton and auxiliary chiral fields.
10 pages, To appear in Class. Quantum. Grav