Collisional Penrose process of 4D rotational Einstein-Gauss-Bonnet black holes

• 作者: Yunlong Liu Xiangdong Zhang
• 来源期刊: 中国物理C（英文版）
• 年，卷（期）: 2021,（5）
• 所属期刊栏目: PARTICLE AND NUCLEAR ASTROPHYSICS AND COSMOLOGY
• 页码范围: 212-222
• 页数: 11页
• 语种: 英文
• DOI: 10.1088/1674-1137/abe36a

摘要

The collisional Penrose process of massive spinning particles in a rotational Einstein-Gauss-Bonnet (EGB) black hole background is studied.By numerically solving the equations of motion for spinning particles,we find that the energy extraction efficiency increases monotonically with the decrease of the EGB coupling parameter α.Moreover,the efficiency η increases as the particle spin s grows.We also find that the energy extraction efficiency increases with the decrease of the EGB coupling parameter α.When the EGB coupling constant α =0,ourresults reduce to the Kerr case,which has been investigated previously.