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arXiv 2005.07956hep-thgr-qc
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弦场论中的暴胀

Inflation in String Field Theory

Haidar Sheikhahmadi, Mir Faizal, Ali Aghamohammadi, Saheb Soroushfar, Sebastian Bahamonde

摘要:

本文用弦场论分析暴胀宇宙学。这是通过使用弦场论的零级贡献来完成的,弦场论是一种非局域的快子作用。我们将利用基于弦场论的非定域Friedmann方程,计算该模型的慢滚参数。然后,我们将显式地获得该模型的标量和张量功率谱,它们的相关指数,以及张量与标量之比。最后,我们使用普朗克2013年至2018年的宇宙学数据来约束该模型中的自由参数,发现弦场论与它们是相容的。

英文摘要:

In this paper, we analyze the inflationary cosmology using string field theory. This is done by using the zero level contribution from string field theory, which is a non-local tachyonic action. We will use the non-local Friedmann equations for this model based on string field theory, and calculate the slow-roll parameters for this model. We will then explicitly obtain the scalar and tensorial power spectrum, their related indices, and the tensor-to-scalar ratio for this model. Finally, we use cosmological data from Planck 2013 to 2018 to constrain the free parameters in this model and find that string field theory is compatible with them.

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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