Authors:
De Filippis, G
Cataudella, V
Iadonisi, G
Ramaglia, VM
Perroni, CA
Ventriglia, F
Citation: G. De Filippis et al., Polaron and bipolaron formation in the Hubbard-Holstein model: Role of next-nearest-neighbor electron hopping - art. no. 155105, PHYS REV B, 6415(15), 2001, pp. 5105