Physical Review Letters
Ground state of the attractive-UHubbard model
Jorge O. Sofo, C. A. Balseiro
Abstract
A Comment on the Letter by R. R. P. Singh and R. T. Scalettar, Phys. Rev. Lett. 66, 3203 (1991).Received 17 July 1991DOI:https://doi.org/10.1103/PhysRevLett.68.896©1992 American Physical Society