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Author Nishimoto, Satoshi ♦ Nakamura, Masaaki ♦ O'Brien, Aroon ♦ Fulde, Peter
Source arXiv.org
Content type Text
File Format PDF
Date of Submission 2010-01-05
Language English
Subject Domain (in DDC) Computer science, information & general works ♦ Natural sciences & mathematics ♦ Physics
Subject Keyword Condensed Matter - Strongly Correlated Electrons ♦ physics:cond-mat
Abstract We discuss the metal-insulator transition of the spinless fermion model on the Kagom\'{e} lattice at 1/3-filling. The system is analyzed using exact diagonalization, the density-matrix renormalization group methods and the random phase approximation. In the strong-coupling region, the charge-ordered ground state is consistent with the predictions of the effective model with a plaquette order. We find that the qualitative properties of the metal-insulator transition are totally different depending on the sign of the hopping integrals, reflecting the difference of band structure at the Fermi level.
Educational Use Research
Learning Resource Type Article
Page Count 4


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