Physical Review Letters
Comment on ‘‘New 1/Nexpansion method for the generalized Hubbard model’’
P. G. J. van Dongen
Abstract
A Comment on the Letter by G. Czrcholl and Q. Qin, Phys. Rev. Lett. 68, 3244 (1992).Received 10 August 1992DOI:https://doi.org/10.1103/PhysRevLett.69.2878©1992 American Physical Society