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arXiv · 2404.06929

Exact solution of a two-parameter extended Bariev model

Mingchen Zheng·Xin Zhang·Junpeng Cao·Wen-li Yang·Yupeng Wang
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Abstract

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 are done to confirm the accuracy of our analytic results.

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Mingchen Zheng, Xin Zhang, Junpeng Cao, Wen-li Yang, Yupeng Wang. 2024-04-10. Exact solution of a two-parameter extended Bariev model. https://doi.org/10.1016/j.nuclphysb.2024.116652

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