Abstract
Abstract A competition of the spin-Peierls state and the charge ordering is examined using a Peierls–Hubbard model with a quarter-filled band, dimerization and the nearest-neighbor repulsive interaction ( V ). In terms of the renormalization group method and the bosonization, it is found that the spin-Peierls state is strongly reduced when the charge ordering appears with increasing V . We discuss the relevance to the spin-Peierls state in organic conductors.
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