Physical Review Letters
Comment on ‘‘Electronic model for superconductivity’’
Claudio Castellani, C. Di Castro, M. Grilli
Abstract
A Comment on the Letter by F. H. L. Essler et al., Phys. Rev. Lett. 70, 73 (1993).Received 17 January 1994DOI:https://doi.org/10.1103/PhysRevLett.72.3626©1994 American Physical Society