On the geometrical interpretation of scale-invariant models of inflation

Published 28 Jun 2016 in hep-ph, astro-ph.CO, gr-qc, and hep-th | (1606.08848v1)

Abstract: We study the geometrical properties of scale-invariant two-field models of inflation. In particular, we show that when the field-derivative space in the Einstein frame is maximally symmetric during inflation, the inflationary predictions can be universal and independent of the details of the theory.

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