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

Jiaxiang Wang, Sabre Kais

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Abstract

We examined the characteristics of a metal-insulator transition on a two-dimensional nonbipartite 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.

Original languageEnglish
Pages (from-to)265-270
Number of pages6
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume316
Issue number3-4
DOIs
Publication statusPublished - 22 Sep 2003
Externally publishedYes

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Keywords

  • Finite-size scaling
  • Metal-insulator transition
  • Renormalization group

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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