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用代数哈米顿量研究CH_3Cl分子的振动谱(英文)
引用本文:龚福明,万明芳,侯喜文.用代数哈米顿量研究CH_3Cl分子的振动谱(英文)[J].原子与分子物理学报,2007,24(5):903-906.
作者姓名:龚福明  万明芳  侯喜文
作者单位:武汉交通职业学院,武汉理工大学理学院,华中师范大学物理系 武汉430062,华中师范大学物理系,武汉430079,武汉430079,武汉430079
基金项目:国家自然科学基金(10675050)
摘    要:我们提出一种描述XH3分子的伸缩和弯曲振动的U(2)代数哈米顿量,其中包括了伸缩和弯曲振动的费米共振耦合,用它来拟合CH3Cl分子的实验数据,结果表明有较少参数的代数模型算得的偏差比其它模型算得的偏差要小.

关 键 词:U(2)代数  振动谱  费米共振
文章编号:1000-0364(2007)05-0903-04
收稿时间:2006/3/18
修稿时间:2006-03-18

Algebraic Hamiltonian for vibrational spectra of molecule CH_3Cl
GONG Fu-ming, WAN Ming-fang, HOU Xi-wen.Algebraic Hamiltonian for vibrational spectra of molecule CH_3Cl[J].Journal of Atomic and Molecular Physics,2007,24(5):903-906.
Authors:GONG Fu-ming  WAN Ming-fang  HOU Xi-wen
Institution:1. Wuhan Vocational College of Communications, Wuhan 430062, China; 2. Department of Physics, Huazhong Normal University, Wuhan 430079, China; 3. School of Natural Science, Wuhan University of Technology, Wuhan 430079, China
Abstract:An algebraic Hamiltonian describing both stretching and bending vibrational energy levels of molecule XH3 is presented, where Fermi resonance couplings between the stretch and bend modes are included. The Hamiltonian is employed to fit the observed vibrational spectra of CH3Cl. The result shows that the algebraic Hamiltonian with few parameters reproduces the observed experimental values with smaller standard deviation than other model.
Keywords:U(2) algebra  vibrational spectra  Fermi resonance
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