Fermion production in time-dependent fields

被引：30
|
作者：
Dietrich, DD [1 ]
机构：
[1] Goethe Univ Frankfurt, Inst Theoret Phys, D-60054 Frankfurt, Germany
[2] Inst Rech Subatom, F-67037 Strasbourg, France
来源：
PHYSICAL REVIEW D | 2003年 / 68卷 / 10期
关键词：
D O I：
10.1103/PhysRevD.68.105005
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The exact fermion propagator in a classical time-dependent gauge field is derived by solving the equation of motion for the Dirac Green's functions. From the retarded propagator obtained in this way the momentum spectrum for the produced fermion pairs is calculated. Different approximations and the exact solution for the propagator and the momentum spectrum are presented.
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