Black holes and non-perturbative gravitational waves in f(R) gravity

被引：0
|
作者：
Liu, Chunmei [1 ]
Zhang, Hongsheng [1 ]
机构：
[1] Univ Jinan, Sch Phys & Technol, 336 West Rd Nan Xinzhuang, Jinan 250022, Shandong, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL C | 2023年 / 83卷 / 12期
基金：
中国国家自然科学基金;
关键词：
F R GRAVITY; INFLATION;
D O I：
10.1140/epjc/s10052-023-12261-9
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：
Exact solutions of spherically symmetric black hole and gravitational wave are explored in f(R) gravity in arbitrary dimension. We find two exact solutions for the radiation and absorption of null dust. In the framework of general relativity, the Birkhoff theorem strictly forbids the existence of spherical gravitational waves in vacuum space. We find spherical non-perturbative gravitational waves, which are shear-free, twist-free, but expanding.
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收藏
页数：7
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