Finite-size scaling for Mott metal-insulator transition on a half filled nonpartite lattice

J. X. Wang; Sabre Kais

doi:10.1103/PhysRevB.66.081101

Finite-size scaling for Mott metal-insulator transition on a half filled nonpartite lattice

J. X. Wang^*
, Sabre Kais

^*此作品的通讯作者

Purdue University

科研成果: 期刊稿件 › 文章 › 同行评审

7 引用（Scopus）

摘要

We combine the finite-size scaling method with a multistage real-space renormalization-group procedure to examine the Mott metal-insulator transition (MIT) on a nonpartite lattice. Based on the Hubbard model, we have found that there exists a critical point U/t=12.5 for the MIT with the correlation length exponent v = 1. At the critical point, the charge gap scales with the system size as Δ_g∼1/L^0.91.

源语言	英语
期刊论文编号	081101
页（从-至）	811011-811014
页数	4
期刊	Physical Review B-Condensed Matter
卷	66
期	8
DOI	https://doi.org/10.1103/PhysRevB.66.081101
出版状态	已出版 - 15 8月 2002
已对外发布	是

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10.1103/PhysRevB.66.081101

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abstract = "We combine the finite-size scaling method with a multistage real-space renormalization-group procedure to examine the Mott metal-insulator transition (MIT) on a nonpartite lattice. Based on the Hubbard model, we have found that there exists a critical point U/t=12.5 for the MIT with the correlation length exponent v = 1. At the critical point, the charge gap scales with the system size as Δg∼1/L0.91.",

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N2 - We combine the finite-size scaling method with a multistage real-space renormalization-group procedure to examine the Mott metal-insulator transition (MIT) on a nonpartite lattice. Based on the Hubbard model, we have found that there exists a critical point U/t=12.5 for the MIT with the correlation length exponent v = 1. At the critical point, the charge gap scales with the system size as Δg∼1/L0.91.

AB - We combine the finite-size scaling method with a multistage real-space renormalization-group procedure to examine the Mott metal-insulator transition (MIT) on a nonpartite lattice. Based on the Hubbard model, we have found that there exists a critical point U/t=12.5 for the MIT with the correlation length exponent v = 1. At the critical point, the charge gap scales with the system size as Δg∼1/L0.91.

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Finite-size scaling for Mott metal-insulator transition on a half filled nonpartite lattice

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