The question of a “best” lower bound in variational calculations

• 1 June 1968
• journal article
• research article
• Published by Springer Nature in The European Physical Journal A
• Vol. 210  (3) , 309-311
• https://doi.org/10.1007/bf01379948

Abstract

Keywords

• SPECTRAL REPRESENTATION
• VARIATIONAL CALCULATION
• SMALL EIGENVALUE
• TRIAL FUNCTION
• PRACTICAL CALCULATION