Stability of the de-Sitter universe: one-loop nonlocal f (R) gravity

被引：0
|
作者：
Feng, Haiyuan [1 ]
Liao, Yi [2 ,3 ]
Yang, Rong-Jia [4 ]
机构：
[1] Southern Univ Sci & Technol, Dept Phys, Shenzhen 518055, Guangdong, Peoples R China
[2] Fujian Agr & Forestry Univ, Coll Mech & Elect Engn, Dept Phys, Fuzhou 350002, Peoples R China
[3] Southern Univ Sci & Technol, Coll Engn, Dept Mat Sci & Engn, Shenzhen 518055, Peoples R China
[4] Hebei Univ, Coll Phys Sci & Technol, Baoding 071002, Peoples R China
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2024年 / 05期
基金：
中国国家自然科学基金;
关键词：
Models of Quantum Gravity; de Sitter space; Spacetime Singularities; ULTRAVIOLET PROPERTIES; DARK-ENERGY; RENORMALIZATION; DIVERGENCES; SUPERNOVAE; EXPANSION; UNITARITY; CONSTANT; LAMBDA;
D O I：
10.1007/JHEP05(2024)115
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：
With the method of the background field expansion, we investigate the one-loop quantization of the Euclidean nonlocal f (R) model in the de-Sitter universe. We obtain the ghost-free condition (GFC) based on the transformation from the Jordan frame to the Einstein frame and the classical stability condition (CSC) satisfied f(RR)((0))-phi F-0(RR)(0). We present the on-shell and off-shell one-loop effective action and quantum stability condition (QSC) by utilizing the generalized zeta-function. We find that under the fulfillment of GFC, CSC and QSC are inconsistent.
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页数：22
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