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arXiv 1502.06301hep-phastro-ph.COgr-qchep-th
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非最小双环充盈

Non-Minimal Two-Loop Inflation

Tomohiro Inagaki, Ryota Nakanishi, Sergei D. Odintsov

摘要:

利用弯曲时空中自相互作用标量场理论的双圈有效势研究了混沌暴胀模型。我们使用的势包含一个非最小标量曲率耦合和一个四次标量自相互作用。我们分析了de Sitter解的李雅普诺夫稳定性,并给出了稳定性界.通过计算暴胀参数,系统地研究了谱指数$n_s$和张量标量比$r$随标量曲率耦合$ξ_0$、标量四次耦合$λ_0$、重整化尺度$μ$和e折叠数$N$四个参数的变化.研究发现,在$n_s$上的双回线校正值远大于先前研究的超前对数校正值。我们表明,该模型是一致的观测普朗克与WMAP和最近的联合分析BICEP 2。

英文摘要:

We investigate the chaotic inflationary model using the two-loop effective potential of a self-interacting scalar field theory in curved spacetime. We use the potential which contains a non-minimal scalar curvature coupling and a quartic scalar self-interaction. We analyze the Lyapunov stability of de Sitter solution and show the stability bound. Calculating the inflationary parameters, we systematically explore the spectral index $n_s$ and the tensor-to-scalar ratio $r$, with varying the four parameters, the scalar-curvature coupling $ξ_0$, the scalar quartic coupling $λ_0$, the renormalization scale $μ$ and the e-folding number $N$. It is found that the two-loop correction on $n_s$ is much larger than the leading-log correction, which has previously been studied. We show that the model is consistent with the observation by Planck with WMAP and a recent joint analysis of BICEP2.

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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