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2014

Inflation in supergravity without Kahler potential

Aoki, Shuntaro, Yamada, Yusuke

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We propose a new class of inflation models in supergravity with higher derivative terms.

In those models, the K\"ahler potential does not contain the inflaton multiplet, but a supersymmetric derivative term does.
In the models, inflation is effectively driven by a single scalar field with a standard kinetic term and a scalar potential.
Remarkably, the so-called $\eta$ problem does not exist in our models.

Inflation in supergravity without Kahler potential · Around

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