稠密流体中双原子分子振动弛豫的非谐性及质量效应 |
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引用本文: | 丁家强,陈致英. 稠密流体中双原子分子振动弛豫的非谐性及质量效应[J]. 力学学报, 1995, 27(2): 250-252. DOI: 10.6052/0459-1879-1995-2-1995-430 |
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作者姓名: | 丁家强 陈致英 |
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作者单位: | 中国科学院力学研究所 |
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摘 要: | 利用分子动力学计算机模拟方法研究了稠密流体中双原子分子的振动弛豫问题,证实了双原产分子的振动弛豫速率随着其非谐性的增大而加快,同时,其速率也随其质量因子的变大而加速。
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关 键 词: | 分子动力学 稠密态 非谐性效应 质量因子 |
EFFECTS OF ANHARMONICITY AND MASS FACTOR ON MOLECULAR VIBRATIONAL RELAXATION OF DIATOMICS IN CONDENSED STATE |
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Abstract: | In this note,we investigate the effects of anharmonicity and mass for diatomicmolecular vibrational relaxation in condensed fluid by computer simulation. We have shownthat the rates of vibrational relaxation increase with the increase of anharmonicity and massfactor. This is in agreement with the data from experiment. |
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Keywords: | molecular dynamics condensed state nonharmonic effect mass factor |
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