Quantitative determination of the critical points of Mott metal–insulator transition in strongly correlated systems

被引：0

作者：

牛月坤 ^{[1
]}

倪煜 ^{[2
]}

王建利 ^{[3
]}

陈雷鸣 ^{[3
]}

邢晔 ^{[3
]}

宋筠 ^{[4
]}

冯世平 ^{[4
]}

机构：

[1] School of Physical Science and Technology,Inner Mongolia University

[2] College of Physics and Electronic Information,Yunnan Normal University

[3] School of Materials Science and Physics China University of Mining and Technology

[4] Department of Physics,Beijing Normal University

来源：

Chinese Physics B | 2024年 / 33卷 / 01期

基金：

中国国家自然科学基金; 中央高校基本科研业务费专项资金资助;

关键词：

D O I：

暂无

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Mottness is at the heart of the essential physics in a strongly correlated system as many novel quantum phenomena occur in the metallic phase near the Mott metal–insulator transition. We investigate the Mott transition in a Hubbard model by using the dynamical mean-field theory and introduce the local quantum state fidelity to depict the Mott metal–insulator transition. The local quantum state fidelity provides a convenient approach to determining the critical point of the Mott transition. Additionally, it presents a consistent description of the two distinct forms of the Mott transition points.

引用

页码：584 / 589

页数：6

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