College Physics ›› 2018, Vol. 37 ›› Issue (3): 4-5.doi: 10.16854 /j.cnki.1000-0712.170326

Previous Articles     Next Articles

Revisit on the traditional variational calculation for the ground-state energy of 

MENG Li-juan,WU Feng   

  1. Department of Physics,Yancheng Institute of Technology,Yancheng, Jiangsu 224051,China
  • Received:2017-06-01 Revised:2017-07-21 Online:2018-03-20 Published:2018-03-20

Abstract: The deficiency of traditional variational calculation for the ground-state energy of  is found and the reason is revealed,which is beneficial for better understanding the principle of variational method.

Key words: hydrogen molecular ion, variational method, variable substitution