Correlations in one-dimensional disordered electronic systems with interaction

Details Correlations in one-dimensional disordered electronic systems with interaction Correlations in one-dimensional disordered electronic systems with interaction

1996-11-08

arxiv.org/abs/cond-mat/9611056v1

Phy. Rev. B55 R7295 (1997)

Physics

Condensed Matter

Strongly Correlated Electrons

7 pages, Revtex

Scientific paper

10.1103/PhysRevB.55.R7295

We investigate the effects of randomness in a strongly correlated electron model in one-dimension at half-filling. The ground state correlation functions are exactly written by products of 3$\times$3 transfer matrices and are evaluated numerically. The correlation lengths depend on randomness when the interaction is effectively weak. On the contrary, they are completely insensitive to randomness when the interaction is effectively strong.

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