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arXiv 1402.0627hep-thgr-qc
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自然暴胀与泛超多重态

Natural Inflation and Universal Hypermultiplet

Sergei V. Ketov

摘要:

提出了一个新的框架,用于将自然暴胀嵌入到在Calabi-Yau(CY)三重上紧化的IIA型超弦中。膨胀子与普适超多重态(UH)的轴子相一致。其他的UH标量(包括介子)是稳定的CY通量的影响,可以通过测量的阿贝尔等距与轴子,当NS 5膜瞬子的贡献被抑制。稳定化的标量势由可积的三维Toda方程控制,导致N=2超对称自发破缺。UH轴子的暴胀标量势是在自然暴胀中通过非微扰的量子场效应(如高吉诺凝聚)在较低尺度下动态产生的。自然暴胀有两个尺度,允许CMB观测量的任何值$(n_s,r)$。

英文摘要:

A novel framework is proposed for embedding the natural inflation into the type IIA superstrings compactified on a Calabi-Yau (CY) three-fold. Inflaton is identified with axion of the Universal Hypermultiplet (UH). The other UH scalars (including dilaton) are stabilized by the CY fluxes whose impact can be described by gauging of the abelian isometry associated with the axion, when the NS5-brane instanton contributions are suppressed. Then the stabilizing scalar potential is controlled by the integrable three-dimensional Toda equation, and leads to spontaneous N=2 SUSY breaking. The inflationary scalar potential of the UH axion is dynamically generated at a lower scale in the natural inflation via the non-perturbative quantum field effects such as gaugino condensation. The natural inflation has two scales that allow any values of the CMB observables $(n_s,r)$.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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