QED in inhomogeneous magnetic fields

被引:21
作者
Fry, MP
机构
[1] School of Mathematics, University of Dublin
来源
PHYSICAL REVIEW D | 1996年 / 54卷 / 10期
关键词
D O I
10.1103/PhysRevD.54.6444
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A lower bound is placed on the fermionic determinant of Euclidean quantum electrodynamics in three dimensions in the presence of a smooth, finite-flux, static, unidirectional magnetic field B(r) = (0,0,B(r)), where B(r)greater than or equal to 0 or B(r)less than or equal to 0 and r is a point in the xy plane. Bounds are also obtained for the induced spin for (2+1)-dimensional QED in the presence of B(r). An upper bound is placed on the fermionic determinant of Euclidean QED in four dimensions in the presence of a strong, static, directionally varying, square-integrable magnetic field B(r) on R(3).
引用
收藏
页码:6444 / 6452
页数:9
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