786 citations · 1.2k across the 23 of their papers we have counts for
23 papers
Competition of Exchange and Correlation Energies in Two-Dimensional -component Electron Gas Ferromagnetism
Chen-How Huang, Chunli Huang, M. A. Cazalilla
Motivated by recent observations of symmtry broken phases in lightly-doped multilayer graphene, we investigate magnetic phase transitions in a generalized electron gas model with f…
Unconventional Metallic Magnetism: Non-analyticity and Sign-changing Behavior of Orbital Magnetization in ABC Trilayer Graphene
Mainak Das, Chunli Huang
We study an unique form of metallic ferromagnetism in which orbital moments surpasses the role of spin moments in shaping the overall magnetization. This system emerges naturally u…
Spectroscopic signature of spin triplet odd-valley superconductivity in two-dimensional materials
T. H. Kokkeler, Chunli Huang, F. S. Bergeret +1
Motivated by recent discoveries of superconductivity in lightly-doped multilayer graphene systems, we present a low-energy model to study superconductivity in 2D materials whose Fe…
Partial condensation of mobile excitons in graphene multilayers
Igor V. Blinov, Chunli Huang, Nemin Wei +3
At a large displacement field, in rhomboedral and Bernal-stacked graphene a normal paramagnetic state transitions to a correlated state. Recent experiments showed that such systems…
Spin and Orbital Metallic Magnetism in Rhombohedral Trilayer Graphene
Chunli Huang, Tobias Wolf, Wei Qin +3
We provide a complete theoretical interpretation of the metallic broken spin/valley symmetry states recently discovered in ABC trilayer graphene (ABC) perturbed by a large transver…
Functional Renormalization Group Study of Superconductivity in Rhombohedral Trilayer Graphene
Wei Qin, Chunli Huang, Tobias Wolf +3
We employ a functional renormalization group approach to ascertain the pairing mechanism and symmetry of the superconducting phase observed in rhombohedral trilayer graphene. Super…
Pseudospin Paramagnons and the Superconducting Dome in Magic Angle Twisted Bilayer Graphene
Chunli Huang, Nemin Wei, Wei Qin +1
We present a theory of superconductivity in twisted bilayer graphene in which attraction is generated between electrons on the same honeycomb sublattice when the system is close to…
Strong-Magnetic-Field Magnon Transport in Monolayer Graphene
Haoxin Zhou, Chunli Huang, Nemin Wei +6
At high magnetic fields, monolayer graphene hosts competing phases distinguished by their breaking of the approximate SU(4) isospin symmetry. Recent experiments have observed an ev…
Scattering of magnons at graphene quantum-Hall-magnet junctions
Nemin Wei, Chunli Huang, Allan H. MacDonald
Motivated by recent non-local transport studies of quantum-Hall-magnet (QHM) states formed in monolayer graphene's Landau level, we study the scattering of QHM magnons by gat…
Enhancement of Spin-charge Conversion in Dilute Magnetic Alloys by Kondo Screening
Chunli Huang, Ilya Tokatly, Miguel Cazalilla
We derive a kinetic theory capable of dealing both with large spin-orbit coupling and Kondo screening in dilute magnetic alloys. We obtain the collision integral non-perturbatively…
Current Driven Magnetization Reversal in Orbital Chern Insulators
Chunli Huang, Nemin Wei, Allan H. MacDonald
Graphene multilayers with flat moiré minibands can exhibit the quantized anomalous Hall effect due to the combined influence of spontaneous valley polarization and topologically no…
Theory of Spin Injection in Two-dimensional Metals with Proximity-Induced Spin-Orbit Coupling
Yu-Hsuan Lin, Chunli Huang, Manuel Offidani +2
Spin injection is a powerful experimental probe into a wealth of nonequilibrium spin-dependent phenomena displayed by materials with spin-orbit coupling (SOC). Here, we develop a t…
Unambiguous Electrical Detection of Spin-Charge Conversion in Lateral Spin-Valves
Stuart A. Cavill, Chunli Huang, Manuel Offidani +3
Efficient detection of spin-charge conversion is crucial for advancing our understanding of emergent phenomena in spin-orbit-coupled nanostructures. Here, we provide proof of princ…
Control of Spin Diffusion and Suppression of the Hanle Effect by the Coexistence of Spin and Valley Hall Effects
Xian-Peng Zhang, Chunli Huang, Miguel A. Cazalilla
In addition to spin, electrons in many materials possess an additional pseudo-spin degree of freedom known as 'valley'. In materials where the spin and valley degrees of freedom ar…
Extrinsic Spin-Charge Coupling in Diffusive Superconducting Systems
Chunli Huang, Ilya V. Tokatly, F. Sebastian Bergeret
We present a theoretical study of diffusive superconducting systems with extrinsic spin-orbit coupling and arbitrarily strong impurity potential. We derive from a microscopic Hamil…
Spin-charge conversion in disordered two-dimensional electron gases lacking inversion symmetry
Chunli Huang, Mirco Milletari, Miguel Cazalilla
We study the spin-charge conversion mechanisms in a two-dimensional gas of electrons moving in a smooth disorder potential by accounting for both Rashba-type and Mott's skew scatte…
Anomalous Nonlocal Resistance and Spin-charge Conversion Mechanisms in Two-Dimensional Metals
Chunli Huang, Y. D Chong, Miguel A. Cazalilla
We uncover two anomalous features in the nonlocal transport behavior of two-dimensional metallic materials with spin-orbit coupling. Firstly, the nonlocal resistance can have negat…
Valley Hall Effect and Nonlocal Transport in Strained Graphene
Xian-Peng Zhang, Chunli Huang, Miguel A. Cazalilla
Graphene subject to high levels of shear strain leads to strong pseudo-magnetic fields resulting in the emergence of Landau levels. Here we show that, with modest levels of strain,…
Edge Modes, Degeneracies, and Topological Numbers in Non-Hermitian Systems
Daniel Leykam, Konstantin Y. Bliokh, Chunli Huang +2
We analyze chiral topological edge modes in a non-Hermitian variant of the 2D Dirac equation. Such modes appear at interfaces between media with different "masses" and/or signs of…
Direct coupling between charge current and spin polarization by extrinsic mechanisms in graphene
Chunli Huang, Y. D. Chong, Miguel. A. Cazalilla
Spintronics---the all-electrical control of the electron spin for quantum or classical information storage and processing---is one of the most promising applications of the two-dim…
Graphene Electrodynamics in the presence of the Extrinsic Spin Hall Effect
Chunli Huang, Yidong Chong, Giovanni Vignale +1
We extend the electrodynamics of two dimensional electron gases to account for the extrinsic spin Hall effect (SHE). The theory is applied to doped graphene decorated with a random…
Extrinsic Spin Hall Effect from Anisotropic Rashba Spin-Orbit Coupling in Graphene
H-Y. Yang, Chunli Huang, Hector Ochoa +1
We study the effect of anisotropy of the Rashba coupling on the extrinsic spin Hall effect due to spin-orbit active adatoms on graphene. In addition to the intrinsic spin-orbit cou…
Absence of Perfect Conductance Quantization of Helical-edge Transport in Graphene under a Strong, Tilted Magnetic Field
Chunli Huang, Miguel. A. Cazalilla
In a recent experiment, Young et al. [Nature {\bf 505}, 528 (2014)] observed a metal to insulator transition as well as transport through helical edge states in monolayer graphene…