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arXiv 1408.2652gr-qchep-th
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Eddington启发的Born-Infeld暴胀中的张量标量比

Tensor-to-Scalar Ratio in Eddington-inspired Born-Infeld Inflation

Inyong Cho, Naveen K. Singh

摘要:

研究了在Eddington启发的Born-Infeld引力中由质量标量场驱动的暴胀模型的标量扰动。我们重点讨论了在第一和第二慢滚条件满足的吸引子阶段的扰动。标量微扰体现了对广义相对论中混沌暴胀模型的修正。我们发现张量标量比变得比通常的混沌暴胀小。

英文摘要:

We investigate the scalar perturbation of the inflation model driven by a massive-scalar field in Eddington-inspired Born-Infeld gravity. We focus on the perturbation at the attractor stage in which the first and the second slow-roll conditions are satisfied. The scalar perturbation exhibits the corrections to the chaotic inflation model in general relativity. We find that the tensor-to-scalar ratio becomes smaller than that of the usual chaotic inflation.

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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