On elastic scattering amplitude of planar charged fermions in a constant magnetic field

被引：4
作者：
Khalilov, V. R. [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119991, Russia
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2019年 / 34卷 / 30期
关键词：
Planar charged fermion; external magnetic field; Landau level; elastic scattering amplitude; photon emission; MASSLESS; PARTICLES; NEUTRINO; GRAPHENE;
D O I：
10.1142/S0217751X19501896
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The elastic scattering amplitude (ESA) is obtained in the one-loop approximation of the (2+1)-dimensional quantum electrodynamics (QED(2+1)) for planar charged fermions in an external constant magnetic field. We obtain the elastic scattering amplitude in the corresponding massive theory and then discuss and calculate the massless limit of ESA. The imaginary part of ESA are related to the total probability of photons emission by charged fermions in the considered magnetic field. Simple analytical formulas are obtained when planar charged fermions in initial states occupy high excited Landau levels.
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收藏
页数：10
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