| 被吸附氦(~4He)薄膜准二维运动的有效势近似 |
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| 引用本文： | 郭志椿,缪胜清,易佑民.被吸附氦(~4He)薄膜准二维运动的有效势近似[J].安徽大学学报(自然科学版),1983(2). |
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| 作者姓名： | 郭志椿 缪胜清 易佑民 |
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| 摘 要： | 对氦单层和氦二层体系的第二层低密度量子气体,依简化的准二维运动物理模型,求得了被吸附在石墨基底上的氦原子对之间的有效相互作用。由这种有效相互作用所求得的被吸附量子气体的二级维里系数及其二阶导数,比由理想二维物理模型出发所得结果更接近实验数据。
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THE EFFECTIVE POTENTIAL APPROXIMATION OF ADSORBED ~4He FILM IN QUASI 2D MOTION |
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| Abstract: | By means of the quasi 2D motion picture of adsorbed ~4He monolayer or second layer an effective pair potential of Helium atoms has been derived. The second Virial coefficients and its second derivatives calculated fromthis effective potential agree with the experimental data much better than that calculated from ideal 2D model. |
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