Lorentz gauge fixing and lattice QED

被引：0
|
作者：
Bogolubsky, IL [1 ]
Mitrjushkin, VK [1 ]
Müller-Preussker, M [1 ]
Peter, P [1 ]
Zverev, NV [1 ]
机构：
[1] Joint Inst Nucl Res, Dubna 141980, Russia
来源：
LATTICE FERMIONS AND STRUCTURE OF THE VACUUM | 2000年 / 553卷
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D O I：
暂无
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
The Gribov ambiguity problem is studied for compact lattice QED within the Lorentz gauge. In the Coulomb phase, Gribov copies are mainly caused by double Dirac sheets and zero-momentum modes of the gauge fields. Removing them by (non-) periodic gauge transformations allows to reach the absolute extremum of the Lorentz gauge functional. For standard Lorentz gauge fixing the Wilson fermion correlator turns out to be strongly effected by the zero-momentum modes. A reliable fermion mass estimate requires the proper treatment of these modes.
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页码：257 / 267
页数：11
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