INFRARED DIVERGENCES AND CONFINEMENT IN MASSIVE (2+1)-DIMENSIONAL QED

被引：14

作者：

SEN, D

机构：

[1] Centre for Theoretical Studies, Indian Institute of Science

来源：

PHYSICAL REVIEW D | 1990年 / 41卷 / 04期

关键词：

D O I：

10.1103/PhysRevD.41.1227

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In (2+1)-dimensional quantum electrodynamics with massless photons and massive matter fields, it is shown that the mass renormalization of the latter is infrared divergent at one loop. This result remains unchanged at two loops. A simple argument based on a similar divergence of the Coulomb potential leads us to conjecture that charged states are not observable in this model. This argument holds in 1+1 dimensions also. © 1990 The American Physical Society.

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页码：1227 / 1230

页数：4

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