Particle acceleration in interstellar shocks

被引：9
作者：
Urosevic, Dejan [1 ]
Arbutina, Bojan [1 ]
Onic, Dusan [1 ]
机构：
[1] Univ Belgrade, Fac Math, Dept Astron, Studentski Trg 16, Belgrade 11000, Serbia
来源：
ASTROPHYSICS AND SPACE SCIENCE | 2019年 / 364卷 / 10期
关键词：
Acceleration mechanisms; Supernova remnants; COSMIC-RAY ACCELERATION; GENERATED MAGNETIC-FIELDS; SUPERNOVA-REMNANTS; SYNCHROTRON EMISSION; AMPLIFICATION; CASSIOPEIA; ELECTRONS; EVOLUTION; ESCAPE; CLOUDS;
D O I：
10.1007/s10509-019-3669-y
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
This review presents the fundamentals of the particle acceleration processes active in interstellar medium (ISM), which are essentially based on the so-called Fermi mechanism theory. More specifically, the review presents here in more details the first order Fermi acceleration process-also known as diffusive shock acceleration (DSA) mechanism. In this case, acceleration is induced by the interstellar (IS) shock waves. These IS shocks are mainly associated with emission nebulae (H ii regions, planetary nebulae and supernova remnants). Among all types of emission nebulae, the strongest shocks are associated with supernova remnants (SNRs). Due to this fact they also provide the most efficient manner to accelerate ISM particles to become high energy particles, i.e. cosmic-rays (CRs). The review therefore focuses on the particle acceleration at the strong shock waves of supernova remnants.
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页数：16
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