1-N EXPANSION IN TWO-DIMENSIONAL LATTICE GAUGE-THEORY

被引:47
作者
GOLDSCHMIDT, YY
机构
[1] Commissariat à l'Énergie Atomique, Division de la Physique, CEN-Saclay, 91190 Gif-Sur-Yvette
关键词
D O I
10.1063/1.524600
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We use the method of orthonormal polynomials to investigate the large N limit of the two-dimensional lattice gauge theory. The 1/N2 and 1/N4 corrections to the vacuum energy and the expectation value of the Wilson loop operator are calculated in the low temperature phase (γ ≡g2 N < 2). These corrections diverge at the transition point. In the high temperature phase we show that there are only corrections which fall exponentially as N becomes large, and hence there are no 1/N corrections in this phase. © 1980 American Institute of Physics.
引用
收藏
页码:1842 / 1850
页数:9
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