PHASE-STRUCTURE AND CRITICAL-POINTS IN A SCALAR-FERMION MODEL

被引：35

作者：

HASENFRATZ, A

LIU, WQ

NEUHAUS, T

机构：

[1] FLORIDA STATE UNIV,SUPERCOMP COMPUTAT RES INST,TALLAHASSEE,FL 32306

[2] UNIV BIELEFELD,INST THEORET PHYS,W-4800 BIELEFELD,GERMANY

来源：

PHYSICS LETTERS B | 1990年 / 236卷 / 03期

关键词：

D O I：

10.1016/0370-2693(90)90994-H

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We investigate a U (1) symmetric scalar model coupled locally to naive lattice fermions via Yukawa interaction. We argue that the system is highly non-perturbative and has a complex phase diagram with ferromagnetic, antiferromagnetic symmetric and ferrimagnetic phases. Fixed points where possible non-trivial continuum theories could be defined are identified. © 1990.

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页码：339 / 343

页数：5

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