Summing inflationary logarithms in nonlinear sigma models
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DOI: 10.1007/jhep03(2022)069
Abstract: Abstract We consider two nonlinear sigma models on de Sitter background which involve the same derivative interactions as quantum gravity but without the gauge issue. The first model contains only a single field, which can… read more here.
Keywords: sigma models; nonlinear sigma; inflationary logarithms; summing inflationary ... See more keywords