Macroscopic Quantum Coherence in Magnetic Molecular Clusters
作者机构：Institute of Physics and Center for Condensed Matter PhysicsChinese Academy of SciencesBeijing 100080 Institute of Theoretical Physics and Department of PhysicsShanxi UniversityTaiyuan 030006
出 版 物：《Chinese Physics Letters》 (中国物理快报（英文版）)
年 卷 期：2001年第18卷第5期
页 面：687-689页
核心收录：
学科分类：07[理学] 070202[理学-粒子物理与原子核物理] 0702[理学-物理学]
基 金：Supported by the National Natural Science Foundation of China under Grant No.19775033
主 题：splitting instant oscillation
摘 要：The oscillation of tunnel splitting in Fe8 molecular clusters is obtained as a function of magnetic field applied along the hard axis by means of instanton method with both semiclassical treatment and the effective potential field description of quantum spin *** theoretical splittings of the instanton method are compared with the numerical result by diagonalization of spin Hamilton operator and experimental *** taking the appropriate parameters,our theory formula yields the result as the same as the experimental observation.
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