Gauge invariance of (2+1)-dimensional QED

被引：0
|
作者：
Tyutin, IV [1 ]
Zeitlin, VY [1 ]
机构：
[1] Russian Acad Sci, PN Lebedev Phys Inst, Moscow 117924, Russia
来源：
PHYSICS OF ATOMIC NUCLEI | 1998年 / 61卷 / 12期
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D O I：
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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 problem of gauge invariance of the physical sector is studied in (2 + 1)-dimensional Maxwell-Chern-Simons QED (QED(2 + 1)). For the procedure employing the Proca mass term to perform infrared regularization, it is shown that the fermion mass is gauge-invariant and that the mass shell in QED(2 + 1) is well defined in all orders of perturbation theory. A class of gauges (including the transverse and Feynman gauges) that lead to the physical sector that is well defined and which is independent of the gauge parameter is indicated in QED(2 + 1).
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页码：2165 / 2174
页数：10
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