费曼—海尔曼定理和定态微扰论 |
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引用本文: | 马涛. 费曼—海尔曼定理和定态微扰论[J]. 阜阳师范学院学报(自然科学版), 1991, 0(2): 35-41 |
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作者姓名: | 马涛 |
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作者单位: | 阜阳师院物理系 |
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摘 要: | 本文通过费曼—海尔曼定理导出体系哈密顿算符的本征矢和本征值的微扰级数,并从微扰级数出发,得到了定态微扰理论中的能级和相应本征态的修正公式.
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关 键 词: | F-H定理 定态微扰论 量子体系 |
THE FEYNMAN—HELLMANN THEOREM AND STATIONARY STATE PERTURBATION THEORY |
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Abstract: | In this paper,the perturbation series of eigenkets and eigenvalues of H is derived by Feynman—Hellman theoem,and starting from the pertu- rbation series,We have got the corrections to the energy leoel and eigen- vector in stationary state perturbation theory. |
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