Inflation without gauge redundancy
arXiv:2001.05480 · doi:10.1088/1475-7516/2020/04/040
Abstract
In the context of gauge theories, observable quantities, if properly defined and computed, do not depend on the gauge-fixing procedure. In this paper, we develop a formalism that implements this (apparent) tautology in the case of inflation. As a simple application, we discuss Coleman-Weinberg "hilltop" inflation.
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