CRITICAL EXPONENTS OF NEW UNIVERSALITY CLASSES

被引：97

作者：

ROSENSTEIN, B ^{[1
]}

YU, HL ^{[1
]}

KOVNER, A ^{[1
]}

机构：

[1] LOS ALAMOS NATL LAB, DIV THEORY, LOS ALAMOS, NM 87545 USA

来源：

PHYSICS LETTERS B | 1993年 / 314卷 / 3-4期

关键词：

D O I：

10.1016/0370-2693(93)91253-J

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We calculate critical exponents of chiral Ising, XY and Heisenberg universality classes up to second order in 4 - epsilon expansion. General expressions for any number N of fermionic variables are given and compared with recent extensive 1/N calculation and lattice simulations. The possibility that these new universality classes describe critical phenomena in certain 3D magnetic systems and in finite temperature phase transitions of 3 + 1 dimensional quantum field theories is briefly discussed.

引用

页码：381 / 386

页数：6

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