3 papers
cond-mat.str-el2021
Metal-insulator transition and intermediate phases in the kagome lattice Hubbard model
Rong-Yang Sun, Zheng Zhu
Motivated by the recent discovery of metallic kagome lattice materials, AVSb (A=K, Rb, Cs), we investigate the ground state of the half-filled kagome lattice Hubbard mo…
cond-mat.str-el2020
Complex Phase Diagram of Doped XXZ Ladder: Localization and Pairing
Rong-Yang Sun, Zheng Zhu, Zheng-Yu Weng
How the ground state nature can be dramatically changed by the distinct underlying spin correlation is a central issue of doped Mott insulators. The two-leg XXZ ladder provides a p…
cond-mat.str-el2018
Localization in a - type ladder with translational symmetry
Rong-Yang Sun, Zheng Zhu, Zheng-Yu Weng
An explicit localization of a hole is shown in a two-leg - ladder in the presence of a staggered chemical potential, which still retains a translational sy…