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arXiv 1412.7619hep-ph
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超对称SU中的简化光滑混合暴胀(5)

Simplified Smooth Hybrid Inflation in Supersymmetric SU(5)

Mansoor Ur Rehman, Umer Zubair

摘要:

在超对称$SU(5)$框架下实现了一个简化的光滑混合膨胀方案。混合暴胀的光滑模型为$SU(5)$规范对称性破缺中出现的量子力学问题提供了一个自然的解决方案。在Planck最新边界内,非最小Kähler势的超引力修正对实现红倾标量谱指数$n_s <1$的暴胀起着重要作用.与混合暴胀的位移模型相比,本文得到了较大的张量标量比$r \lesssim 0.01$,耦合$-0.05 \lesssim κ_S \lesssim 0.01$和$-1 \lesssim κ_{SS} \lesssim 1$以及规范对称性破缺标度$M \simeq (2.0 - 16.7) \times 10^{16}$ GeV.

英文摘要:

A scheme of simplified smooth hybrid inflation is realized in the framework of supersymmetric $SU(5)$. The smooth model of hybrid inflation provides a natural solution to the monopole problem that appears in the breaking of $SU(5)$ gauge symmetry. The supergravity corrections with nonminimal Kähler potential are shown to play important role in realizing inflation with a red-tilted scalar spectral index $n_s <1$, within Planck's latest bounds. As compared to shifted model of hybrid inflation, relatively large values of the tensor-to-scalar ratio $r \lesssim 0.01$ are achieved here, with nonminimal couplings $-0.05 \lesssim κ_S \lesssim 0.01$ and $-1 \lesssim κ_{SS} \lesssim 1$ and the gauge symmetry-breaking scale $M \simeq (2.0 - 16.7) \times 10^{16}$ GeV.

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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