Z（2）规范场－Higgs场和Z（4）规范场──Z（2）Higgs场系统相结构的解析研究  

Phase Structure of Z(2)Gauge-Higgs and Z(4) Gauge An Analytical Analysis of Z(2)Higgs Systems

作　　者：李文雄[1] 杨金民 吴济民[1] 

机构地区：[1]石家庄铁道学院,河南师大物理系,中国科学院高能物理所

出　　处：《河南师范大学学报（自然科学版）》1995年第1期31-34,共4页Journal of Henan Normal University(Natural Science Edition)

摘　　要：应用累积展开方法，我们解析地计算了格点Ｚ（２）规范场－Ｈｉｇｇｓ场和Ｚ（４）规范场－Ｈｉｇｇｓ场定模耦合系统的相结构，这一计算分别精确到累积展开的第四级和第三级，所得结果和ＭｏｎｔｅＣａｒｌｏ结果相一致。We study the Z(2)and Z(4)gauge fields coupled with radially fixed Z(2)Higgs fieldon a lattice in the variational cumulant expansion approach The expansion is performed to the fourth or-der for Z(2)gauge-Higgs and the third order for Z(4)gauge-7(2)Higgs system.The phase structuresgiven by this method are in agreement with Monte Carlo results.

关 键 词：累积展开 相图 格点规范 规范场 HIGGS场 

分 类 号：O412.3[理学—理论物理]