409 citations · 2k across the 29 of their papers we have counts for
30 papers
Electronic Density of States of a Quantum Spin Liquid with Spinon Fermi Surface. II. Zeeman Magnetic Field Effects
Wen-Yu He, Patrick A. Lee
The Zeeman effect lowers the energy of electrons with spin states which are anti-parallel to the applied magnetic field but lifts that of spin parallel states. In quantum spin liqu…
Electronic Density of States of a Quantum Spin Liquid with Spinon Fermi Surface. I. Orbital Magnetic Field Effects
Wen-Yu He, Patrick. A. Lee
Quantum spin liquid (QSL) with spinon Fermi surface is an exotic insulator that hosts neutral Fermi surfaces inside the gap. In an external magnetic field, it has been pointed out…
Magnetic Impurity as a Local Probe of the U(1) Quantum Spin Liquid with Spinon Fermi Surface
Wen-Yu He, Patrick. A. Lee
We solve the problem of a magnetic impurity coupled to a U(1) quantum spin liquid with spinon Fermi surface and compute the impurity spectral function. Using the slave rotor mean f…
Quantum Oscillation of Thermally Activated Conductivity in a Monolayer WTe-like Excitonic Insulator
Wen-Yu He, Patrick A. Lee
Recently, quantum oscillation of the resistance in insulating monolayer WTe was reported. An explanation in terms of gap modulation in the hybridized Landau levels of an excito…
Topological Superconductivity in Multifold Fermion Metals
Jason Z. S. Gao, Xue-Jian Gao, Wen-Yu He +3
Recently, multifold fermions characterized by band crossings with multifold degeneracy and Fermi surfaces with nontrivial Chern numbers have been discovered experimentally in AlPt[…
Superconducting Orbital Magnetoelectric Effect and its Evolution across the Superconductivity Normal Metal Phase Transition
Wen-Yu He, K. T. Law
Superconducting magnetoelectric effect, which is the current-induced magnetization in a superconductor, mainly focused on the spin magnetization in previous studies, but ignore the…
Giant Orbital Magneto-electric effect and Current-driven Magnetization Switching in Twisted Bilayer Graphene
Wen-Yu He, David Goldhaber-Gordon, K. T. Law
Recently, signatures of quantum anomalous Hall states with spontaneous ferromagnetism were observed in twisted bilayer graphenes (TBGs) near 3/4 filling [1, 2]. Importantly, it was…
Kramers Weyl Semimetals as Quantum Solenoids and Their Applications in Spin-Orbit Torque Devices
Wen-Yu He, Xiao Yan Xu, K. T. Law
Kramers Weyl semimetals are Weyl semimetals that have Weyl points pinned at the time reversal invariant momenta. Recently it has been discovered that all chiral crystals host Weyl…
Magnetoelectric Effects in Gyrotropic Superconductors
Wen-Yu He, K. T. Law
The magnetoelectric effect (or Edelstein effect) in noncentrosymmetric superconductors states that a supercurrent can induce spin magnetization. This is an intriguing phenomenon wh…
An unusual continuous paramagnetic-limited superconducting phase transition in 2D NbSe
Egon Sohn, Xiaoxiang Xi, Wen-Yu He +9
Time reversal and spatial inversion are two key symmetries for conventional Bardeen-Cooper-Schrieffer (BCS) superconductivity. Breaking inversion symmetry can lead to mixed-parity…
Spinon Fermi surface in a cluster Mott insulator model on a triangular lattice and possible application to 1T-TaS
Wen-Yu He, Xiao Yan Xu, Gang Chen +2
1T-TaS is a cluster Mott insulator on the triangular lattice with 13 Ta atoms forming a star of David cluster as the unit cell. We derive a two dimensional XXZ spin-1/2 model w…
From Nodal Ring Topological Superfluids to Spiral Majorana Modes in Cold Atomic Systems
Wen-Yu He, Dong-Hui Xu, Benjamin T. Zhou +2
In this work, we consider a 3D cubic optical lattice composed of coupled 1D wires with 1D spin-orbit coupling. When the s-wave pairing is induced through Feshbach resonance, the sy…
Transport evidence of asymmetric spin-orbit coupling in fewlayer superconducting 1TdMoTe
Jian Cui, Peiling Li, Jiadong Zhou +16
Two-dimensional (2D) transition metal dichalcogenides (TMDCs) MX2 (M=W, Mo, Nb, and X=Te, Se, S) with strong spin-orbit coupling (SOC) possess plenty of novel physics including sup…
Nematic topological superconducting phase in Nb-doped Bi2Se3
Junying Shen, Wen-Yu He, Noah Fan Qi Yuan +6
A nematic topological superconductor has an order parameter symmetry, which spontaneously breaks the crystalline symmetry in its superconducting state. This state can be observed,…
Superconductivity-Induced Ferromagnetism and Weyl Superconductivity in Nb-doped BiSe
Noah F. Q. Yuan, Wen-Yu He, K. T. Law
A recent experiment on Nb-doped Bi2Se3 showed that zero field magnetization appears below the superconducting transition temperature. This gives evidence that the superconducting s…
Ising Superconductivity in Transition Metal Dichalcogenides
Noah F. Q. Yuan, Benjamin T. Zhou, Wen-Yu He +1
In this work, we review the results of several recent works on the experimental and theoretical studies of monolayer superconducting transition metal dichalcogenides (TMD) such as…
Magnetic Field Driven Nodal Topological Superconductivity in Monolayer Transition Metal Dichalcogenides
Wen-Yu He, Benjamin T. Zhou, James J. He +3
Recently, Ising superconductors which possess in-plane upper critical fields much larger than the Pauli limit field are under intense experimental study. Many monolayer or few laye…
Synthetic gauge fields and Weyl point in Time-Reversal Invariant Acoustic Systems
Meng Xiao, Wen-Jie Chen, Wen-Yu He +2
Inspired by the discovery of quantum hall effect and topological insulator, topological properties of classical waves start to draw worldwide attention. Topological non-trivial ban…
A New Platform for Engineering Topological Superconductors: Superlattices on Rashba Superconductors
Yao Lu, Wen-Yu He, Dong-Hui Xu +2
The search for topological superconductors which support Majorana fermion excitations has been an important topic in condensed matter physics. In this work, we propose a new experi…
The Realization and Dectection of Weyl Semimetals and Chiral Anomaly in Cold Atomic Systems
Wen-Yu He, Shizhong Zhang, K. T. Law
In this work, we describe a method to realize 3D Weyl semimetal by coupling multilayers of honeycomb optical lattice in the presence of a pair of Raman lasers. The Raman lasers ren…
The Emergence of Topological Nodal Points in Photonic Crystal with Mirror Symmetry
Wen-Yu He, C. T. Chan
We show that topological nodal points can emerge in photonic crystal possessing mirror symmetry. The mechanism of generating topological nodal points is discussed in a two-dimensio…
Spin Splitting Induced by a Competition between Quantum Spin Hall Edge States and Valley Edge States
Mudan Yang, Jia-Bin Qiao, Zhao-Dong Chu +2
Strained graphene with lattice deformations has been demonstrated to give rise to large pseudomagnetic fields and host many exotic properties. Here, we propose a non-magnetic appro…
Creating Magnetic Fields in excess of 1000 T by Misoriented Stacking in a Graphene Bilayer
Wen-Yu He, Ying Su, Mudan Yang +1
It is well established that some kinds of lattice deformations in graphene monolayer, which change electron hopping in sublattice and affect in-plane motion of electrons, may induc…
Coupled Spin and Pseudo-magnetic Field in Graphene Nanoribbons
Wen-Yu He, Lin He
Pseudo-magnetic field becomes an experimental reality after the observation of zero-field Landau level-like quantization in strained graphene, but it is not expected that the time-…