Peierls transition in the strong-coupling Hubbard chain
1975
It is demonstrated that in the limit of infinitely strong intra-atomic Coulomb repulsion ($U\ensuremath{\rightarrow}\ensuremath{\infty}$) the Hubbard chain can distort to become a Peierls band insulator with a low-temperature Curie law. The wavelength of this Peierls distortion is different from that commonly obtained for the case $U=0$.
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