Stochastic evolution of scalar fields with continuous symmetries during inflation
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DOI: 10.1103/physrevd.102.023526
Abstract: During inflation, scalar fields with masses less than the Hubble scale acquire vacuum expectation values (vevs) via stochastic processes driven by quantum fluctuations. For nearly massless spectator scalars transforming nontrivially under a continuous symmetry group,… read more here.
Keywords: scalar fields; inflation; evolution scalar; fields continuous ... See more keywords