933 citations · 4.4k across the 33 of their papers we have counts for
34 papers
Surface supercurrent diode effect
Noah F. Q. Yuan
We propose a new type of supercurrent diode effect on the surface of a superconductor with surface states under in-plane magnetic fields. Surface supercurrent diode effect can lead…
Orbital Fulde-Ferrell-Larkin-Ovchinnikov state in an Ising superconductor
Noah F. Q. Yuan
The critical field behavior of a layered Ising superconductor with finite number of layers is studied. Under in-plane magnetic fields, the finite-momentum superconductivity dubbed…
Anomalous open orbits in Hofstadter spectrum of Chern insulator
Haijiao Ji, Noah F. Q. Yuan, Hua Jiang +2
The nontrivial band topology can influence the Hofstadter spectrum. We investigate the Hofstadter spectrum for various models of Chern insulators under a rational flux $\frac{ϕ_{0}…
Orbital Fulde-Ferrell-Larkin-Ovchinnikov state in an Ising superconductor
Puhua Wan, Oleksandr Zheliuk, Noah F. Q. Yuan +8
The conventional Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state relies on the Zeeman effect of an external magnetic field to break time-reversal symmetry, forming a state of finite-…
Critical field measure for topological superconductivity
Noah F. Q. Yuan, Xiao-Jia Chen
A promising direction for harnessing the laws of quantum mechanics to perform quantum computation is the topological quantum computation, for which topological superconductivity is…
Topological superconductivity in a topological insulator
Hao Yu, Noah F. Q. Yuan, Wei-Jian Li +6
Topological superconductivity is an exotic quantum phenomenon with coupled nontrivial topological order and superconductivity together. A direct idea for producing topological supe…
Josephson diode effect from Cooper pair momentum in a topological semimetal
Banabir Pal1, Anirban Chakraborty, Pranava K. Sivakumar +11
In the presence of an external magnetic field Cooper pairs in noncentrosymmetric superconductors can acquire finite momentum. Recent theory predicts that such finite-momentum pairi…
Topological superfluids in two-dimensional Fermi gas with Rashba spin-orbit coupling
Xiaosen Yang, Ho-Kin Tang, Noah Fan Qi Yuan +4
The realization of spin-orbit coupling (SOC) in ultracold atoms has triggered an intensive exploring of topological superfluids in the degenerate Fermi gases based on mean-field th…
Supercurrent diode effect and finite momentum superconductivity
Noah F. Q. Yuan, Liang Fu
When both inversion and time-reversal symmetries are broken, the critical current of a superconductor can be nonreciprocal. In this work we show that in certain classes of two-dime…
Moiré surface states and enhanced superconductivity in topological insulators
Taige Wang, Noah F. Q. Yuan, Liang Fu
Recently, moiré superlattices have been found on the surface of topological insulators (TI) due to the rotational misalignment of topmost layers. In this work, we study the effects…
Topological metals and finite-momentum superconductors
Noah F. Q. Yuan, Liang Fu
We show that Zeeman field can induce a topological transition in two-dimensional spin-orbit coupled metals, and concomitantly, a first-order phase transition in the superconducting…
Room-temperature skyrmion phase in bulk Cu2OSeO3 under high pressures
Liangzi Deng, Hung-Cheng Wu, Alexander P. Litvinchuk +6
A skyrmion state in a non-centrosymmetric helimagnet displays topologically protected spin textures with profound technological implications for high density information storage, u…
Nematicity and Competing Orders in Superconducting Magic-Angle Graphene
Yuan Cao, Daniel Rodan-Legrain, Jeong Min Park +6
Strongly interacting electrons in solid-state systems often display tendency towards multiple broken symmetries in the ground state. The complex interplay between different order p…
Classification of Critical Points in Energy Bands Based on Topology, Scaling and Symmetry
Noah F. Q. Yuan, Liang Fu
A critical point of the energy dispersion is the momentum where electron velocity vanishes. At the corresponding energy, the density of states (DOS) exhibits non-analyticity such a…
Moiré quantum chemistry: charge transfer in transition metal dichalcogenide superlattices
Yang Zhang, Noah F. Q. Yuan, Liang Fu
Transition metal dichalcogenide (TMD) bilayers have recently emerged as a robust and tunable moiré system for studying and designing correlated electron physics. In this work, by c…
Josephson Detection of Time Reversal Symmetry Broken Superconductivity in SnTe Nanowires
C. J. Trimble, M. T. Wei, N. F. Q. Yuan +8
Exotic superconductors, such as high T, topological, and heavy-fermion superconductors, require phase sensitive measurements to determine the underlying pairing. Here we invest…
Observation of multiple types of topological fermions in PdBiSe
B. Q. Lv, Z. -L. Feng, J. -Z. Zhao +12
Topological semimetals with different types of band crossings provide a rich platform to realize novel fermionic excitations, known as topological fermions. In particular, some fer…
Enhanced Superconductivity in Monolayer -MoTe with Tilted Ising Spin Texture
Daniel Rhodes, Noah F. Yuan, Younghun Jung +13
Crystalline two-dimensional (2D) superconductors with low carrier density are an exciting new class of materials in which superconductivity coexists with strong interactions, the e…
Designing Flat Band by Strain
Zhen Bi, Noah F. Q. Yuan, Liang Fu
We study the effects of heterostrain on moiré bands in twisted bilayer graphene and bilayer transition metal dichalcogenide (TMD) systems. For bilayer graphene with twist angle nea…
Magic of high order van Hove singularity
Noah F. Q. Yuan, Hiroki Isobe, Liang Fu
We introduce a new type of van Hove singularity in two dimensions, where a saddle point in momentum space is changed from second-order to high-order. Correspondingly, the density o…
Maximally-localized Wannier orbitals and the extended Hubbard model for the twisted bilayer graphene
Mikito Koshino, Noah F. Q. Yuan, Takashi Koretsune +3
We develop an effective extended Hubbard model to describe the low-energy electronic properties of the twisted bilayer graphene. By using the Bloch states in the effective continuu…
Unconventional Superconductivity and Density Waves in Twisted Bilayer Graphene
Hiroki Isobe, Noah F. Q. Yuan, Liang Fu
We study electronic ordering instabilities of twisted bilayer graphene with electrons per supercell, where correlated insulator state and superconductivity are recently obser…
Model for Metal-Insulator Transition in Graphene Superlattices and Beyond
Noah F. Q. Yuan, Liang Fu
We propose a two-orbital Hubbard model on an emergent honeycomb lattice to describe the low-energy physics of twisted bilayer graphene. Our model provides a theoretical basis for s…
Zeeman-Induced Gapless Superconductivity with Partial Fermi Surface
Noah F. Q. Yuan, Liang Fu
We show that an in-plane magnetic field can drive two-dimensional spin-orbit-coupled systems under superconducting proximity effect into a gapless phase where parts of the normal s…