2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/17833In an attempt to clarify the nature of the crossover from a Peierls band insulator to a Mott Hubbard insulator, we analyze ground-state and spectral properties of the one-dimensional half-filled Holstein Hubbard model using exact diagonalization techniques.3 pages, 2 figures, submitted to SCES 2001Strongly Correlated Electronstext