608 citations · 1.6k across the 37 of their papers we have counts for
37 papers
Annular Majorana mode in a superconducting topological insulator
Shengshan Qin, Chi Wu, Lun-hui Hu +2
When the surface states of a topological insulator becomes superconducting, topological superconductivity can be obtained, and each vortex on the surface can host one single Majora…
Vortex States and Coherence Lengths in Flat-Band Superconductors
Chuang Li, Fu-Chun Zhang, Lun-Hui Hu
Superconductivity in flat-band systems, governed by quantum metric of Bloch states rather than the BCS framework, exhibits unique phenomena due to the vanishing electron group velo…
Engineering Helical Superconductors with Multiple Majorana Kramers Pairs via Higher-Order Rashba Spin-Orbit Coupling
Qi-Sheng Xu, Zi-Ming Wang, Chui-Zhen Chen +3
The momentum dependence of Rashba spin-orbit coupling (RSOC) is a key ingredient for engineering topological superconductors (TSCs), yet research has overwhelmingly focused on its…
Theory of Second-Order Topological Superconductors
Zi-Ming Wang, Meng Zeng, Chen Lu +4
Topological superconductors are a class of unconventional superconducting materials featuring sub-gap zero-energy Majorana bound modes that hold promise as a building block for top…
Fully-gapped superconductivity and topological aspects of the noncentrosymmetric TaReSi superconductor
T. Shang, J. Z. Zhao, Lun-Hui Hu +11
We report a study of the noncentrosymmetric TaReSi superconductor by means of muon-spin rotation and relaxation (SR) technique, complemented by electronic band-structure calcula…
Concurrent Ferromagnetism and Superconductivity in Fe(Te,Se) van der Waals Josephson Junctions
Gang Qiu, Hung-Yu Yang, Lunhui Hu +9
Ferromagnetism and superconductivity are two key ingredients to create non-Abelian quasiparticle excitations that are expected as building blocks to construct topological quantum c…
Finite-momentum Cooper pairing in proximitized altermagnets
Song-Bo Zhang, Lun-Hui Hu, Titus Neupert
Finite-momentum Cooper pairing is an unconventional form of superconductivity that is widely believed to require finite magnetization. Altermagnetism is an emerging magnetic phase…
Hierarchy of quasi-symmetries and degeneracies in chiral crystal materials CoSi
Lun-Hui Hu, Chunyu Guo, Yan Sun +5
In materials, certain approximated symmetry operations can exist in a lower-order approximation of the effective model but are good enough to influence the physical responses of th…
Dislocation Majorana Bound States in Iron-based Superconductors
Lun-Hui Hu, Rui-Xing Zhang
We show that lattice dislocations of topological iron-based superconductors such as FeTeSe will intrinsically trap non-Abelian Majorana quasiparticles, in the absence o…
Topological Superconducting Vortex From Trivial Electronic Bands
Lun-Hui Hu, Rui-Xing Zhang
Superconducting vortices are promising traps to confine non-Abelian Majorana quasi-particles. It has been widely believed that bulk-state topology, of either normal-state or superc…
Spin-orbit-coupled superconductivity with spin-singlet non-unitary pairing
Meng Zeng, Dong-Hui Xu, Zi-Ming Wang +1
An unconventional superconductor is distinguished with two types of gap functions: unitary and non-unitary. This core subject has been concentrated on purely spin-triplet or single…
Two-orbital model for possible superconductivity pairing mechanism in nickelates
Chen Lu, Lun-Hui Hu, Yu Wang +2
The newly synthesized strontium doped RNiO (R=Nd, La) superconductors have stimulated extensive interests in understanding their pairing mechanism and pairing nature. Here we s…
Crossover of Ising- to Rashba-Type Superconductivity in Epitaxial Bi2Se3/Monolayer NbSe2 Heterostructures
Hemian Yi, Lun-Hui Hu, Yuanxi Wang +15
A topological insulator (TI) interfaced with an s-wave superconductor has been predicted to host an unusual form of superconductivity known as topological superconductivity (TSC).…
Competing Vortex Topologies in Iron-based Superconductors
Lun-Hui Hu, Xianxin Wu, Chao-Xing Liu +1
In this work, we establish a new theoretical paradigm for vortex Majorana physics in the recently discovered topological iron-based superconductors (tFeSCs). While tFeSCs are widel…
Pseudospin-Triplet Pairing in Iron-Chalcogenide Superconductors
Meng Zeng, Dong-Hui Xu, Zi-Ming Wang +2
We study superconductivity of electron systems with both spin and pseudospin-1/2 degrees of freedom. By solving linearized gap equations, we derive a weak coupling criterion for th…
Quasi-symmetry protected topology in a semi-metal
Chunyu Guo, Lunhui Hu, Carsten Putzke +10
The crystal symmetry of a material dictates the type of topological band structures it may host, and therefore symmetry is the guiding principle to find topological materials. Here…
Observation of Superconductivity Induced Ferromagnetism in an Fe-Chalcogenide Superconductor
Nathan J. McLaughlin, Hailong Wang, Mengqi Huang +8
The interplay among topology, superconductivity, and magnetism promises to bring a plethora of exotic and unintuitive behaviors in emergent quantum materials. The family of Fe-chal…
Phonon helicity induced by electronic Berry curvature in Dirac materials
Lun-Hui Hu, Jiabin Yu, Ion Garate +1
In two-dimensional insulators with time-reversal (TR) symmetry, a nonzero local Berry curvature of low-energy massive Dirac fermions can give rise to nontrivial spin and charge res…
High-order Time-Reversal Symmetry Breaking Normal State
Meng Zeng, Lun-Hui Hu, Hong-Ye Hu +2
Spontaneous time-reversal symmetry breaking plays an important role in studying strongly correlated unconventional superconductors. When two superconducting gap functions with diff…
Spontaneous magnetization in unitary superconductors with time reversal symmetry breaking
Lun-Hui Hu, Xuepeng Wang, T. Shang
We report the study of spontaneous magnetization (i.e., spin-polarization) for time-reversal symmetry (TRS)-breaking superconductors with unitary pairing potentials, in the absence…
Topological excitonic corner states and nodal phase in bilayer quantum spin Hall insulators
Zheng-Rong Liu, Lun-Hui Hu, Chui-Zhen Chen +2
Interaction induced topological states remain one of the fascinating phases in condensed matter physics. The exciton condensate has recently sparked renewed interest due to the dis…
Interacting topological mirror excitonic insulator in one dimension
Lun-Hui Hu, Rui-Xing Zhang, Fu-Chun Zhang +1
We introduce the topological mirror excitonic insulator as a new type of interacting topological crystalline phase in one dimension. Its mirror-symmetry-protected topological prope…
Two-band model for magnetism and superconductivity in nickelates
Lun-Hui Hu, Congjun Wu
The recently discovered superconductivity in NdSrNiO provides a new opportunity for studying strongly correlated unconventional superconductivity. The single-hole N…
Interference dislocations in condensate of indirect excitons
J. R. Leonard, Lunhui Hu, A. A. High +5
Phase singularities in quantum states play a significant role both in the state properties and in the transition between the states. For instance, a transition to two-dimensional s…