TY - JOUR T1 - Calculation of the Van der Waals Potential of Argon Dimer Using a Modified Tang-Toennies Model AU - Peng , J. F. AU - Li , P. AU - Ren , J. AU - Qiao , L. W. AU - Tang , K. T. JO - Journal of Atomic and Molecular Sciences VL - 4 SP - 289 EP - 293 PY - 2011 DA - 2011/02 SN - 2 DO - http://doi.org/10.4208/jams.011511.022111a UR - https://global-sci.org/intro/article_detail/jams/8163.html KW - modified TT potential model, argon dimer, van der Waals potential. AB -

The Tang-Toennies (TT) potential model was modified based on the physical nature of the interatomic interaction to describe the $Ar-Ar$ potential very accurately in the short range of the repulsive region. Using the modified TT potential model, the ground state van der Waals potential energy curve of $Ar_2$ was calculated. Compare to the experimental result, the current potential shows that the modified potential model not only gives the precise result in the long-range part, but also gives quite accurate result in the short-range repulsive part.