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Modular inflation observables and j-inflation phenomenology

Modular inflation is the restriction to two fields of automorphic inflation, a general group based framework for multifield scalar field theories with curved target spaces, which can be parametrized by the comoving curvature perturbation ℛ and the isocurvature perturbation tensor S IJ . This paper describes the dynamics and observables of these per-turbations and considers in...

A general framework of automorphic inflation

HJE general framework of automorphic inflation Rolf Schimmrigk 0 1 Discrete Symmetries 0 1700 Mishawaka Ave. South Bend, IN 46634 , U.S.A 1 Department of Physics, Indiana University at South Bend