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U(1) symmetric $\alpha$-attractors

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arxiv 1802.04848 v3 pith:52YP4MJW submitted 2018-02-13 hep-th gr-qchep-ph

Yusuke Yamada This is my paper · ORCID
classification hep-thgr-qchep-ph
keywords alphaattractorsmodelssuperfieldapproximateattractoraxionclass
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abstract

We present a class of supergravity $\alpha$-attractors with an approximate global U(1) symmetry corresponding to the axion direction. We also develop a multi-field generalization of these models and show that the $\alpha$-attractor models with U(1) symmetries have a dual description in terms of a two-form superfield coupled to a three-form superfield.

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Cited by 1 Pith paper

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  1. Behaviour of $\alpha$-attractors in Warm Inflation

    astro-ph.CO 2025-06 reject novelty 5.0 of 10

    In strongly dissipative warm inflation, T, E, and polynomial alpha-attractor models lose the cold-inflation attractor convergence in the n_s-r plane.

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