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Analysis of chiral symmetry breaking mechanism
Guo XH(郭新恒); 黄涛(理); Guo, XH; Huang, T
1997
发表期刊NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA A-NUCLEI PARTICLES AND FIELDS
卷号110期号:8页码:799-815
通讯作者Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil ; Acad Sinica, Inst High Energy Phys, Beijing, Peoples R China ; CCAST, World Lab, Ctr Theoret Phys, Beijing, Peoples R China
文章类型Article
摘要The renormalization group invariant quack condensate <(mu)over cap> is determined both from the consistent equation for quark condensate in the chiral limit and from the Schwinger-Dyson (SD) equation improved by the intermediate range QCD force singular like delta(q) which is associated with the gluon condensate. The solutions of <(mu)over cap> in these two equations are consistent. We also obtain the critical strong coupling constant alpha(c) above which chiral symmetry breaks in these two approaches. The nonperturbative kernel of the SD equation makes alpha(c) smaller and <(mu)over cap> bigger. An intuitive picture of the condensation above alpha(c) is discussed. In addition, with the help of the Slavnov-Taylor-Ward (STW) identity we derive the equations for the nonperturbative quark propagator hom the SD equation in the presence of the intermediate range force and find that the intermediate-range force is also responsible for dynamical chiral symmetry breaking.
学科领域Physics
研究领域[WOS]Physics ; Physics
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语种英语
研究领域[WOS]Physics ; Physics
WOS类目Physics, Particles & Fields
WOS记录号WOS:000071549500002
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238516
专题理论物理室
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714
Guo XH,Huang T,Guo, XH,et al. Analysis of chiral symmetry breaking mechanism[J]. NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA A-NUCLEI PARTICLES AND FIELDS,1997,110(8):799-815.
APA 郭新恒,黄涛,Guo, XH,&Huang, T.(1997).Analysis of chiral symmetry breaking mechanism.NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA A-NUCLEI PARTICLES AND FIELDS,110(8),799-815.
MLA 郭新恒,et al."Analysis of chiral symmetry breaking mechanism".NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA A-NUCLEI PARTICLES AND FIELDS 110.8(1997):799-815.
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