Coupled-cluster expansions for the lattice O(3) sigma model

被引：3

作者：

Fang, XY ^{[1
]}

Guo, SH ^{[1
]}

Liu, JM ^{[1
]}

Chen, QZ ^{[1
]}

机构：

[1] ZHONGSHAN UNIV,DEPT PHYS,GUANGZHOU 510275,PEOPLES R CHINA

来源：

PHYSICAL REVIEW D | 1996年 / 54卷 / 10期

关键词：

D O I：

10.1103/PhysRevD.54.6521

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The coupled-cluster method with the eigenvalue equations truncated according to the continuum limit is applied to the Hamiltonian lattice O(3) sigma model. The long wavelength approximation of the vacuum wave function and mass gaps are calculated up to order 8. The results show general scaling behavior according to the full beta function.

引用

页码：6521 / 6526

页数：6

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