Acceleration of particles in Einstein-Maxwell-dilaton black holes

It has recently been pointed out that, under certain conditions, the energy of particles accelerated by black holes in the center-of-mass frame can become arbitrarily high. In this paper, we study the collision of two particles in the case of four-dimensional charged nonrotating, extremal charged ro...

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Published inChinese physics C Vol. 41; no. 6; pp. 103 - 109
Main Author 毛普健 李然 贾林玉 任继荣
Format Journal Article
LanguageEnglish
Published 01.06.2017
Subjects
Klein
旋转带
爱因斯坦
粒子加速
粒子碰撞
质心能量
麦
黑洞
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Summary:It has recently been pointed out that, under certain conditions, the energy of particles accelerated by black holes in the center-of-mass frame can become arbitrarily high. In this paper, we study the collision of two particles in the case of four-dimensional charged nonrotating, extremal charged rotating and near-extremal charged rotating Kaluza-Klein black holes as well as the naked singularity case in Einstein-Maxwell-dilaton theory. We find that the center-of-mass energy for a pair of colliding particles is unlimited at the horizon of charged nonrotating Kaluza-Klein black holes, extremal charged rotating Kaluza-Klein black holes and in the naked singularity case.
Bibliography:11-5641/O4
black hole, particles accelerator, center-of-mass energy
Pu-Jian Mao1,3, Ran Li2, Lin-Yu Jia3, Ji-Rong Ren3（ 1.Institute of High Energy Physics and Theoretical Physics nter for Science Facilities, Chinese Academy of Sciences, 19B Yuquan Road, Beijing 100049, China 2.Department of Physics, Henan Normal University, Xinxiang 453007, China ; 3Institute of Theoretical Physics, Lanzhou University, Lanzhou 730000, China）
It has recently been pointed out that, under certain conditions, the energy of particles accelerated by black holes in the center-of-mass frame can become arbitrarily high. In this paper, we study the collision of two particles in the case of four-dimensional charged nonrotating, extremal charged rotating and near-extremal charged rotating Kaluza-Klein black holes as well as the naked singularity case in Einstein-Maxwell-dilaton theory. We find that the center-of-mass energy for a pair of colliding particles is unlimited at the horizon of charged nonrotating Kaluza-Klein black holes, extremal charged rotating Kaluza-Klein black holes and in the naked singularity case.
ISSN:1674-1137
0254-3052
DOI:10.1088/1674-1137/41/6/065101