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cond-mat.str-el2021★ 95 cited
Quantum Criticality and Spin Liquid Phase in the Shastry-Sutherland model
Jianwei Yang, Anders W. Sandvik, Ling Wang
Using the density-matrix renormalization group method for the ground state and excitations of the Shastry- Sutherland spin model, we demonstrate the existence of a narrow quantum s…
cond-mat.str-el2021★ 5 cited
Z2 topological order and first-order quantum phase transitions in systems with combinatorial gauge symmetry
Kai-Hsin Wu, Zhi-Cheng Yang, Dmitry Green +2
We study a generalization of the two-dimensional transverse-field Ising model, combining both ferromagnetic and antiferromagnetic two-body interactions, that hosts exact global and…
cond-mat.str-el2021★ 25 cited
Emergent O(4) symmetry at the phase transition from plaquette-singlet to antiferromagnetic order in quasi-two-dimensional quantum magnets
Guangyu Sun, Nvsen Ma, Bowen Zhao +2
Recent experiments [J. Guo et al., Phys. Rev. Lett.124,206602 (2020)] on thermodynamic properties of the frustrated layered quantum magnet SrCu(BO) -- the Shastry-Suthe…