QCD Sum Rule External Field Approach and Vacuum Susceptibilities
QCD Sum Rule External Field Approach and Vacuum Susceptibilities作者机构：Department of Physics Nanjing University Nanjing 210093 China CCAST (World Laboratory) P.O. Box 8730 Beijing 100080 China Department of Physics Nanjing Normal University Nanjing 210097 China CCAST (World Laboratory) P.O. Box 8730 Beijing 100080 China Institute of Theoretical Physics Academia Sinica P.O. Box 2735 Beijing 100080 China Department of Physics Nanjing University Nanjing 210093 China CCAST (World Laboratory) P.O. Box 8730 Beijing 100080 China Institute of Theoretical Physics Academia Sinica P.O. Box 2735 Beijing 100080 China
出 版 物：《Communications in Theoretical Physics》 (理论物理通讯（英文版）)
年 卷 期：2002年第38卷第10期
页 面：475-482页
核心收录：
基 金：国家自然科学基金
主 题：nonperturbative methods in QCD, global color symmetry model
摘 要：Based on QCD sum rule three-point and two-point external field formulas respectively, the vector vacuumsusceptibilities are calculated at the mean-field level in the framework of the global color symmetry model. It is shownthat the above two approaches of determination of the vector vacuum susceptibility may lead to different results. Thereason of this contradiction is discussed.
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