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A Possible Fermi liquid in the lightly doped Kitaev spin liquid
Jia-Wei Mei
In this paper, we study the lightly doped Kitaev spin liquid (DKSL) and find it to be a Fermi liquid state. The DKSL has a closed Fermi surface around the center of the Brillouin z…
Luttinger-volume violating Fermi liquid in the pseudogap phase of the cuprate superconductors
Jia-Wei Mei, Shinji Kawasaki, Guo-Qing Zheng +2
Based on the NMR measurements on BiSrLaCuO (La-Bi2201) in strong magnetic fields, we identify the non-superconducting pseudogap phase in the cuprates as a L…
Chiral spin states in polarized kagome spin systems with spin-orbit coupling
Jia-Wei Mei, Evelyn Tang, Xiao-Gang Wen
We study quantum spin systems with a proper combination of geometric frustration, spin-orbit coupling and ferromagnetism. We argue that such a system is likely to be in a chiral sp…
High temperature fractional quantum Hall states
Evelyn Tang, Jia-Wei Mei, Xiao-Gang Wen
We show that a suitable combination of geometric frustration, ferromagnetism and spin-orbit interactions can give rise to nearly flat bands with a large bandgap and non-zero Chern…