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math-ph2021★ 5 cited
Exact ground state and elementary excitations of a competing spin chain with twisted boundary condition
Wei Wang, Yi Qiao, Junpeng Cao +2
A novel Bethe ansatz scheme is proposed to investigate the exact physical properties of an integrable anisotropic quantum spin chain with competing interactions among the nearest,…
cond-mat.str-el2021★ 27 cited
Phase diagram of the spin-1/2 Yukawa-SYK model: Non-Fermi liquid, insulator, and superconductor
Wei Wang, Andrew Davis, Gaopei Pan +2
We analyze the phase diagram of the Yukawa-Sachdev-Ye-Kitaev model, which describes complex fermions randomly interacting with real bosons via a Yukawa coupling, at finite temperat…