Abstract
Monte Carlo simulations are used to study the charge-density-wave to spin-density-wave transition in the one-dimensional Hubbard model with on-site () and nearest-neighbor () repulsion. The transition is found to be continuous for small and first order for large , with the crossover occurring around . The transition line deviates somewhat from the theoretical prediction towards the charge-density-wave phase for intermediate coupling. A qualitative explanation for the results is given by use of strong-coupling arguments.
- Received 10 September 1984
DOI:https://doi.org/10.1103/PhysRevLett.53.2327
©1984 American Physical Society