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cond-mat.str-el1998
Phase Diagram of strongly correlated one-dimensional fermions in incommensurate potentials
Juan Carlos Chaves, Indubala I. Satija, Mauro M. Doria
We study the interplay between strong correlations and incommensurability on fermions using mean field as well as exact many-body Lanczos diagonalization techniques. In a two-dimen…
cond-mat.dis-nn1998
Hidden Dimer in the Frenkel-Kontorova model
Jukka A. Ketoja, Indubala I. Satija
The incommensurability of the supercritical Frenkel-Kontorova model is decomposed into a family of dimer type "defects" by appropriate decimations. Interestingly, this hidden dimer…