Macroscopic Quantum Coherence in Magnetic Molecular Clusters

JIN Yan-Hong; NIE Yi-Hang; LIANG Jiu-Qing; PU Fu-Cho

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Macroscopic Quantum Coherence in Magnetic Molecular Clusters

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摘要

The oscillation of tunnel splitting in Fes molecular clusters is obtained as a function of magnetic field applied along the hard axis by means of the instanton method with both semiclassical treatment and the effective potential field description of the quantum spin system. The theoretical splittings of the instanton method are compared with the numerical result by diagonalization of spin Hamiltonian operators and experimental observations. By taking the appropriate parameters, our theoretical formula yields a result the same as the experimental observation.

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《中国物理快报：英文版》 |2001年第5期|687-689|共3页
作者
JIN Yan-Hong; NIE Yi-Hang; LIANG Jiu-Qing; PU Fu-Cho;
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作者单位

Institute of Physics and Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080;

Institute of Theoretical Physics and Department of Physics, Shanxi University, Taiyuan 030006;

Institute of Theoretical Physics and Department of Physics, Shanxi University, Taiyuan 030006;

Institute of Theoretical Physics and Department of Physics, Shanxi University, Taiyuan 030006;

Institute of Physics and Center for Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080;

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正文语种 chi
中图分类物理学;
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Macroscopic Quantum Coherence in Magnetic Molecular Clusters

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