论文标题
某些双原子分子的改善变形指数型电势(IDEP)的热力学特性
Thermodynamic Properties of Improved Deformed Exponential-type Potential (IDEP) for some Diatomic Molecules
论文作者
论文摘要
在非相关量子力学的框架内,使用Greene-Aldrich近似方案和适当的坐标转换获得了改进的变形指数型电势模型的RO振动能谱。借助能量光谱,通过使用泊松求和公式来得出振动分区函数和其他热力学功能的分析表达。研究了这些热力学功能,用于氢二聚体,一氧化碳,氮二聚体和氢化氢二原子部分子的电子状态,因为它们随温度和上限振动量子数的变化而变化。
Within the framework of non-relativistic quantum mechanics, the ro-vibrational energy spectra of the improved deformed exponential-type potential model are obtained using the Greene-Aldrich approximation scheme and an appropriate coordinate transformation. With the help of the energy spectra, analytical expressions of the vibrational partition function and other thermodynamic functions are derived by employing the Poisson summation formula. These thermodynamic functions are studied for the electronic states of hydrogen dimer, carbon monoxide, nitrogen dimer and lithium hydride diatomic molecules, as they vary with temperature and upper bound vibration quantum number.