Our result shows that after considering the direct instanton effect, the mass of glueball is greatly reduced.
结果显示在考虑了瞬子效应后，胶球的质量被大大降低。
The quantum tunneling of a vortex in an annular Josephson junction is investigated by using the periodic instanton method.
利用周期瞬子方法从理论上研究了环状偏流约瑟夫森结中的单个涡旋隧穿特性。
The effect of the external magnetic field on macroscopic quantum tunneling in biaxial single domain antiferromagnetic particles is studied with the help of the instanton method.
用瞬子方法研究了外加磁场对单畴双轴反铁磁颗粒宏观量子效应的影响。
First we review our tools which will be used in our research. After a detailed introduction to the QCD sum rules approach in Chapter 2, we review the basic concepts of instanton physics.
本文分为两个部分，首先是我们所采用的研究方法的介绍，包括第二章对QC D求和规则的详细介绍以及第三章对瞬子物理基本概念的介绍。
First we review our tools which will be used in our research. After a detailed introduction to the QCD sum rules approach in Chapter 2, we review the basic concepts of instanton physics.
本文分为两个部分，首先是我们所采用的研究方法的介绍，包括第二章对QC D求和规则的详细介绍以及第三章对瞬子物理基本概念的介绍。
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