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The Spinon Fermi Surface U(1) Spin Liquid in a Spin-Orbit-Coupled Triangular Lattice Mott Insulator YbMgGaO4
Yao Dong Li, Yuan-Ming Lu, Gang Chen
Motivated by the recent progress on the spin-orbit-coupled triangular lattice spin liquid candidate YbMgGaO4, we carry out a systematic projective symmetry group analysis and mean-…
Topological Bootstrap: Fractionalization From Kondo Coupling
Timothy H. Hsieh, Yuan-Ming Lu, Andreas W. W. Ludwig
We propose a route toward realizing fractionalized topological phases of matter (i.e. with intrinsic topological order) by literally building on un-fractionalized phases. Our appro…
Interplay of non-symmorphic symmetry and spin-orbit coupling in hyperkagome spin liquids: Applications to NaIrO
Biao Huang, Yong Baek Kim, Yuan-Ming Lu
NaIrO provides a material platform to study three-dimensional quantum spin liquids in the geometrically frustrated hyperkagome lattice of Ir ions. In this work,…
Symmetry protected gapless spin liquids
Yuan-Ming Lu
Despite rapid progress in understanding gapped topological states, much less is known about gapless topological phases of matter, especially in strongly correlated electrons. In th…
Space group constraints on weak indices in topological insulators
Daniel Varjas, Fernando de Juan, Yuan-Ming Lu
Lattice translation symmetry gives rise to a large class of "weak" topological insulators (TIs), characterized by translation-protected gapless surface states and dislocation bound…