Coupled cluster expansions for (2+1)-dimensional U(1) lattice gauge theory with improved Hamiltonian

被引：2

作者：

Fang, XY ^{[1
]}

Guo, SH

Liu, JM

机构：

[1] Zhongshan Univ, Dept Phys, Guangzhou 510275, Peoples R China

[2] China Ctr Adv Sci & Technol, World Lab, Beijing 100080, Peoples R China

来源：

MODERN PHYSICS LETTERS A | 2000年 / 15卷 / 11-12期

关键词：

D O I：

10.1142/S0217732300000724

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Using coupled cluster method, we calculate the vacuum wave function and the mass gaps of (2 + 1)-dimensional U(1) lattice gauge theory with improved Hamiltonian up to the seventh order. The results are compared with those from the unimproved Hamiltonian.

引用

页码：737 / 745

页数：9

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