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Anisotropy in the chaotic inflationary universe

1986; Elsevier BV; Volume: 178; Issue: 2-3 Linguagem: Inglês

10.1016/0370-2693(86)91488-7

1873-2445

Ian G. Moss, Varon Sahni,

Relativity and Gravitational Theory

The effect of anisotropies on the chaotic inflationary model is investigated for a general class of Bianchi cosmologies. It is shown that for suitable initial conditions of a scalar field any initial anisotropy always disappers before the onset of inflation. Using numerical calculations it is also shown for Bianchi I models that the class initial conditions of the scalar field which leads to inflation is very large.