A LOW-TEMPERATURE EXPANSION FOR CLASSICAL N-VECTOR MODELS .1. A RENORMALIZATION-GROUP FLOW

被引：22

作者：

BALABAN, T

机构：

[1] Department of Mathematics, Boston University, Boston, 02215, MA

来源：

COMMUNICATIONS IN MATHEMATICAL PHYSICS | 1995年 / 167卷 / 01期

关键词：

D O I：

10.1007/BF02099355

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A class of low temperature lattice classical spin models with a symmetry group O(N) is considered, including the classical Heisenberg model. In this paper a renormalization group approach in a small field approximation is formulated and studied, with a goal to prove the so-called ''spin wave picture'' displaying massless behavior of the models.

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页码：103 / 154

页数：52

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