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。
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