NATURE OF THE GAUSSIAN APPROXIMATIONS IN PHASE-ORDERING KINETICS

被引：8

作者：

DESIENA, S

ZANNETTI, M

机构：

[1] Dipartimento di Fisica, Università di Salerno, 84081 Baronissi, Salerno

来源：

PHYSICAL REVIEW E | 1994年 / 50卷 / 04期

关键词：

D O I：

10.1103/PhysRevE.50.2621

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The structure of the Gaussian auxiliary field approximation in the theory of phase-ordering kinetics is analyzed with the aim of placing the method within the context of a systematic theory. While we are unable to do this for systems with a scalar order parameter, where the approximation remains uncontrolled, a systematic development about the Gaussian approximation can be outlined for systems with a vector order parameter in terms of a suitably defined 1/N expansion.

引用

页码：2621 / 2629

页数：9

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