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Axion stabilization in modular cosmology

delete2025-07-31
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PRE
AI
J
John Joseph Carrasco
R
Renata Kallosh
A
Andrei Linde
D
Diederik Roest
DOI:doi:10.1088/1475-7516/2025/07/090delete
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摘要

摘要

En 中文
SL(2,ℤ)不变的α-吸引子模型;标量场势能平台;标量场和轴子场;轴子方向的势能;暴胀期间几乎完全平坦;轴子场保持近无质量;我们发展了这类模型的广义类别;SL(2,ℤ)对称性被保持;轴子获得大质量;在暴胀期间被强稳定化;消除了该情景中的等曲率扰动;双场模型中的暴胀;与单场α-吸引子相同;导致相同的宇宙学预言
Keyword:
SL(2,ℤ) symmetry
α-attractor models
axion stabilization
two-field inflation
isocurvature perturbations

期刊

Journal of Cosmology and Astroparticle Physics 封面图
Journal of Cosmology and Astroparticle Physics
IF:
5.9
论文数:
1.3W
被引数:
4.7W

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