American Journal of Physics
Comment on “The variational principle and simple properties of the ground-state wave function,” by J. Mur-Petit, A. Polls, and F. Mazzanti [Am. J. Phys. 70 (8), 808–810 (2002)]
See Kit Foong, David Kiang, Yukihisa Nogami
American Journal of Physics
See Kit Foong, David Kiang, Yukihisa Nogami