Exact solution of a two-parameter extended Bariev model

被引：0

作者：

Zheng, Mingchen ^{[1
,2
]}

Zhang, Xin ^{[1
]}

Cao, Junpeng ^{[1
,2
,3
,4
]}

Yang, Wen-Li ^{[4
,5
,6
]}

Wang, Yupeng ^{[1
]}

机构：

[1] Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100190, Peoples R China

[2] Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China

[3] Songshan Lake Mat Lab, Dongguan 523808, Guangdong, Peoples R China

[4] Peng Huanwu Ctr Fundamental Theory, Xian 710127, Peoples R China

[5] Northwest Univ, Inst Modern Phys, Xian 710127, Peoples R China

[6] Shaanxi Key Lab Theoret Phys Frontiers, Xian 710127, Peoples R China

来源：

NUCLEAR PHYSICS B | 2024年 / 1006卷

基金：

国家重点研发计划; 中国国家自然科学基金;

关键词：

INTEGRABLE MODEL; 2-PARTICLE; HUBBARD;

D O I：

10.1016/j.nuclphysb.2024.116652

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

An exactly solvable strongly correlated electron model with two independent parameters is constructed in the frame of the quantum inverse scattering method, which can be seen as a generalization of the Bariev model. Through the Bethe ansatz method, a set of Bethe ansatz equations is derived. In the thermodynamic limit, to study the ground state of the model, we obtain the integral equations for the density of Bethe roots. Numerical validation is done to confirm the accuracy of our analytic results.

引用

页数：13

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