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Universality and scaling in multi-field $\alpha$-attractor preheating · Around

2018

Universality and scaling in multi-field $\alpha$-attractor preheating

Iarygina, Oksana, Sfakianakis, Evangelos I., Wang, Dong-Gang et al.

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We explore preheating in multi-field models of inflation in which the field-space metric is a highly curved hyperbolic manifold.

One broad family of such models is called $\alpha$-attractors, whose single-field regimes have been extensively studied in the context of inflation and supergravity.
We focus on a simple two-field generalization of the $T$-model, which has received renewed attention in the literature.
Krajewski et al.

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