Expanding universe and dynamical compactification using Yang-Mills instantons

被引：7

作者：

Kim, Kyung Kiu ^{[1
]}

Koh, Seoktae ^{[2
]}

Yang, Hyun Seok ^{[3
]}

机构：

[1] Sejong Univ, Dept Phys & Astron, Seoul 05006, South Korea

[2] Jeju Natl Univ, Dept Sci Educ, Jeju 63243, South Korea

[3] Sogang Univ, Ctr Quantum Spacetime, Seoul 121741, South Korea

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2018年 / 12期

基金：

新加坡国家研究基金会;

关键词：

Cosmology of Theories beyond the SM; Compactification and String Models; Field Theories in Higher Dimensions; KALUZA-KLEIN; INFLATIONARY UNIVERSE; EXTENDED INFLATION; EXTRA DIMENSIONS; SITTER VACUA; COSMOLOGY; EVOLUTION; TOPOLOGY; SCENARIO; FLATNESS;

D O I：

10.1007/JHEP12(2018)085

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We consider an eight-dimensional Einstein-Yang-Mills theory to explore whether Yang-Mills instantons formed in extra dimensions can induce the dynamical instability of our four-dimensional spacetime. We show that the Yang-Mills instantons in extra dimensions can trigger the expansion of our universe in four-dimensional spacetime as well as the dynamical compactification of extra dimensions. We also discuss a possibility to realize a reheating mechanism via the quantum back-reaction from the contracting tiny internal space with a smeared instanton.

引用

页数：26

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