Anomaly induced inflation in the minimal quartic extension of Einstein's gravity

被引：0
作者：
Demirel, Kerim [1 ]
Tekin, Bayram [1 ]
机构：
[1] Middle East Tech Univ, Dept Phys, TR-06800 Ankara, Turkiye
来源：
EUROPEAN PHYSICAL JOURNAL C | 2024年 / 84卷 / 12期
关键词：
Relativity;
D O I：
10.1140/epjc/s10052-024-13611-x
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：
A particular extension of Einstein's General Relativity up to and including quartic terms in the curvature tensor is minimal in the sense that it has a unique maximally symmetric vacuum and only a massless spin-2 excitation in its spectrum around the vacuum. We study the inflation phase of the universe in this minimal quartic extension of Einstein's gravity in the presence of trace anomaly terms coming from the Standard Model fields and the fields of the Minimal Supersymmetric Standard Model. We show that the theory allows a quasi-de Sitter phase with sufficient e-foldings.
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页数：17
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