Combined effects of disorders and electron-electron interactions upon metal-insulator transition in 2D non-bipartite lattice

Details Combined effects of disorders and electron-electron interactions upon metal-insulator transition in 2D non-bipartite lattice Combined effects of disorders and electron-electron interactions upon metal-insulator transition in 2D non-bipartite lattice

2004-05-16

arxiv.org/abs/cond-mat/0405346v1

Physics

Condensed Matter

Strongly Correlated Electrons

Scientific paper

We examined the characteristics of a metal-insulator transition on a two-dimensional non-bipartite lattice when both disorders and electron interactions are present. Using a real-space renormalization group method and finite-size scaling analysis we have found that after the disordered system transits from the insulating state to the metal one, it can reenter an insulating state if there is a further increase in the electron-electron interactions.

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