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Two-Quark Condensate Changes with Quark Current Mass

Two-Quark Condensate Changes with Quark Current Mass

作     者:LU Chang-Fang LU Xiao-Fu WU Xiao-Hua ZHAN Yong-Xin 

作者机构:Department of Physics Sichuan University Chengdu 610064 China Department of Physics Sichuan Agricultural University Ya'an 625014 China Institute of Theoretical Physics The Chinese Academy of Sciences Beijing 100080 China CCAST (World Laboratory) P.O. Box 8730 Beijing 100080 China 

出 版 物:《Communications in Theoretical Physics》 (理论物理通讯(英文版))

年 卷 期:2009年第52卷第9期

页      面:483-486页

核心收录:

学科分类:0832[工学-食品科学与工程(可授工学、农学学位)] 07[理学] 08[工学] 070202[理学-粒子物理与原子核物理] 0836[工学-生物工程] 082203[工学-发酵工程] 0822[工学-轻工技术与工程] 083203[工学-农产品加工及贮藏工程] 0702[理学-物理学] 

基  金:Supported in part by the Key Research Plan of Theoretical Physics and Cross Science of China under Grant No.90503011 National Natural Science Foundation under Grant No.10775012 

主  题:quark current mass quark condensates QCD sum rule Schwinger-Dyson equation perturbation theory 

摘      要:Using the Schwinger Dyson equation and perturbation theory,we calculate the two-quark condensates forthe light quarks u,d,strange quark s and a heavy quark c with their current masses *** results show thatthe two-quark condensate will decrease when the quark mass increases,which hints the chiral symmetry may be restoredfor the heavy quarks.

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