来自 CMB 的汤川耦合新约束

arXiv - PHYS - General Physics Pub Date : 2024-05-05 DOI:arxiv-2405.03717

Anupama B, P K Suresh

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引用次数: 0

摘要

我们研究了超弦理论在支流世界情景下产生的一环膨胀。我们发现环路膨胀的张量与标量比与最近CMB关于SM扇区的尤卡娃耦合的结果不一致。我们提出了一个新的尤卡娃耦合约束，即9.92本文章由计算机程序翻译，如有差异，请以英文原文为准。

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New bound on the Yukawa coupling from CMB

We investigate the one loop inflation stemming from the superstring theory in the braneworld scenario. The tensor to scalar ratio of the loop inflation is found inconsistent with the recent CMB results for the Yukawa coupling from the SM sector. We propose a new bound on the Yukawa coupling, $9.92<\lambda<13.4$, applicable to the cosmological sector from CMB. The aftermath of this new bound is explored. The present results may shed some light on the phenomenology of superstring theory and its associated phenomena.