44 citations · 275 across the 23 of their papers we have counts for
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quant-ph2020★ 4 cited
Ring-Frustrated Non-Hermitian Model
Shihao Bi, Yan He, Peng Li
We study a non-Hermitian version of XY closed chain with odd number of lattice sites. We consider both anti-ferromagnetic coupling and also a symmetric non-collinear spin coupling.…
cond-mat.str-el2020
Exact Solution to Sodium-Iridate-BCS-Hubbard Model along the Symmetric Line: Non-trivial topology in the ferromagnetic order
Shihao Bi, Yan He, Peng Li
We study the sodium-iridates model on the honeycomb lattice with both BCS pairing potential and Hubbard interaction term. It is shown that this model can be exactly solved with app…
cond-mat.str-el2020★ 4 cited
Impurity-driven transitions in frustrated quantum Ising ring
Han-Chuan Kou, Zhen-Yu Zheng, Peng Li
We study the quantum phase transitions driven by a point impurity in a chain seamed with ring frustration. Rich phases and quantum phase transitions are uncovered and characterized…