α-attractors: Planck, LHC and dark energy
α-attractors: Planck, LHC and dark energy
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α-吸引子：普朗克、大型强子对撞机和暗能量
DOI：
10.1007/jhep10(2015)147
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发表时间：
2015
影响因子：
5.4
通讯作者：
Andrei Linde
中科院分区：
文献类型：
--
作者：
J. J. Carrasco;R. Kallosh;Andrei Linde
We develop four-parameter supergravity models of inflation and dark energy, constrained so that δρρ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ \frac{\delta \rho }{\rho } $$\end{document}, ns and the cosmological constant Λ take their known observable values, but where the mass of gravitino m3/2 and the tensor-to-scalar ratio r are free parameters. We focus on generalized cosmological α-attractor models, with logarithmic Kähler potentials, a nilpotent goldstino and spontaneously broken supersymmetry at the de Sitter minimum. The future data on B-modes will specify the parameter α, measuring the geometry of the Kähler manifold. The string landscape idea for dark energy is supported in these models via an incomplete cancellation of the universal positive goldstino and negative gravitino contribution. The scale of SUSY breaking M related to the mass of gravitino in our models is a controllable parameter, independent on the scale of inflation, it will be constrained by LHC data and future collider Energy-frontier experiments.
We develop four-parameter supergravity models of inflation and dark energy, constrained so that δρρ\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ \frac{\delta \rho }{\rho } $$\end{document}, ns and the cosmological constant Λ take their known observable values, but where the mass of gravitino m3/2 and the tensor-to-scalar ratio r are free parameters. We focus on generalized cosmological α-attractor models, with logarithmic Kähler potentials, a nilpotent goldstino and spontaneously broken supersymmetry at the de Sitter minimum. The future data on B-modes will specify the parameter α, measuring the geometry of the Kähler manifold. The string landscape idea for dark energy is supported in these models via an incomplete cancellation of the universal positive goldstino and negative gravitino contribution. The scale of SUSY breaking M related to the mass of gravitino in our models is a controllable parameter, independent on the scale of inflation, it will be constrained by LHC data and future collider Energy-frontier experiments.
影响因子：
6.4
作者：
R. Flauger;L. McAllister;E. Silverstein;A. Westphal
通讯作者：
R. Flauger;L. McAllister;E. Silverstein;A. Westphal