75 citations · 357 across the 23 of their papers we have counts for
24 papers
Interaction-induced sign reversal of the orbital magnetic susceptibility in Chern insulators
Ke Huang, Xiao Li
It has been well established that the orbital magnetization of interacting electrons can be simply evaluated by applying the single-particle formula to self-consistent HF bands. Ho…
Tunable high-Chern-number Chern insulators in rhombohedral tetralayer graphene/hBN moiré superlattices
Chuanqi Zheng, Chushan Li, Ke Huang +17
Moiré superlattices based on rhombohedral multilayer graphene have emerged as a highly tunable platform for engineering correlated topological phases. Here, we systematically inves…
Mo Atom Rearrangement Drives Layer-Dependent Reactivity in Two-Dimensional MoS2
Zifan Wang, Jiaxuan Wen, Tina Mihm +8
Two-dimensional (2D) materials offer a valuable platform for manipulating and studying chemical reactions at atomic level, owing to the ease of controlling their microscopic struct…
Out-of-time-order correlator, many-body quantum chaos, light-like generators, and singular values
Ke Huang, Xiao Li, David A. Huse +1
We study out-of-time-order correlators (OTOCs) of local operators in spatial-temporal invariant or random quantum circuits using light-like generators (LLG) -- many-body operators…
Statistics of noninteracting many-body fermionic states: The question of a many-body mobility edge
Ke Huang, DinhDuy Vu, Sankar Das Sarma +1
In this work, we study the statistics of a generic noninteracting many-body fermionic system whose single-particle counterpart has a single-particle mobility edge (SPME). We first…
Interaction-enhanced many body localization in a generalized Aubry-Andre model
Ke Huang, DinhDuy Vu, Sankar Das Sarma +1
We study the many-body localization (MBL) transition in a generalized Aubry-Andre model (also known as the GPD model) introduced in Phys. Rev. Lett. 114, 146601 (2015). In contrast…
Engineering subharmonic responses beyond prethermalization via Floquet scar states
Ke Huang, Xiao Li
In this work we propose a new scheme to engineer subharmonic responses via scar states in a generalized PXP model. We first show that the generalized PXP model also possesses a ban…
Phase diagram of the quantum Hall state in bilayer graphene
Udit Khanna, Ke Huang, Ganpathy Murthy +5
Bilayer graphene exhibits a rich phase diagram in the quantum Hall regime, arising from a multitude of internal degrees of freedom, including spin, valley, and orbital indices. The…
Phase diagram of superconducting vortex ratchet motion in a superlattice with noncentrosymmetry
Shengyao Li, Lijuan Zhang, Ke Huang +8
Ratchet motion of superconducting vortices, which is a directional flow of vortices in superconductors, is highly useful for exploring quantum phenomena and developing superconduct…
Aharonov-Bohm oscillations in bilayer graphene edge state Fabry-Pérot interferometers
Hailong Fu, Ke Huang, Kenji Watanabe +3
The charge and exchange statistics of an elementary excitation manifest in quantum coherent oscillations that can be explored in interferometry measurements. Quantum Hall interfero…
Incommensurate many-body localization in the presence of long-range hopping and single-particle mobility edge
Ke Huang, DinhDuy Vu, Xiao Li +1
We study many-body localization (MBL) in the quasiperiodic - model, focusing on the role of next-nearest-neighbor (NNN) hopping , which introduces a single-particle…
Nonreciprocal transport in a bilayer of MnBi2Te4 and Pt
Chen Ye, Xiangnan Xie, Wenxing Lv3 +16
MnBi2Te4 (MBT) is the first intrinsic magnetic topological insulator with the interaction of spin-momentum locked surface electrons and intrinsic magnetism, and it exhibits novel m…
Nano-engineering the evolution of skyrmion crystal in synthetic antiferromagnets
Mangyuan Ma, Ke Huang, Yong Li +9
The evolution of skyrmion crystal encapsulates skyrmion critical behaviors, such as nucleation, deformation and annihilation. Here, we achieve a tunable evolution of artificial sky…
Fermionic many-body localization for random and quasiperiodic systems in the presence of short- and long-range interactions
DinhDuy Vu, Ke Huang, Xiao Li +1
We study many-body localization (MBL) for interacting one-dimensional lattice fermions in random (Anderson) and quasiperiodic (Aubry-Andre) models, focusing on the role of interact…
A new class of exact mobility edges in non-Hermitian quasiperiodic models
Xu Xia, Ke Huang, Shubo Wang +1
Quantum localization in 1D non-Hermitian systems, especially the search for exact single-particle mobility edges, has attracted considerable interest recently. While much progress…
Valley Isospin Controlled Fractional Quantum Hall States in Bilayer Graphene
Ke Huang, Hailong Fu, Danielle Reifsnyder Hickey +5
A two-dimensional electron system placed in a magnetic field develops Landau levels, where strong Coulomb interactions lead to the appearance of many-body correlated ground states.…
Enhanced metal-insulator transition in freestanding VO2 down to 5 nm thickness
Kun Han, Liang Wu, Yu Cao +9
Ultrathin freestanding membranes with a pronounced metal-insulator transition (MIT) provides huge potential in future flexible electronic applications as well as a unique aspect of…
Bipolar conduction and giant positive magnetoresistance in doped metallic titanium oxide heterostructures
Ke Huang, Tao Wang, Mengjia Jin +11
Empowering conventional materials with unexpected magnetoelectric properties is appealing to the multi-functionalization of existing devices and the exploration of future electroni…
Gapless Spin Wave Transport through a Quantum Canted-Antiferromagnet
Hailong Fu, Ke Huang, Kenji Watanabe +2
In the Landau levels of a two-dimensional electron system or when flat bands are present, e.g. in twisted van der Waals bilayers, strong electron-electron interaction gives rise to…
Stability of scar states in 2D PXP model against random disorders
Ke Huang, Yu Wang, Xiao Li
Recently a class of quantum systems exhibiting weak ergodicity breaking has attracted much attention. These systems feature a special band of eigenstates called quantum many-body s…
Tailoring magnetic order via atomically stacking 3d/5d electrons
Ke Huang, Liang Wu, Maoyu Wang +18
The ability to tune magnetic orders, such as magnetic anisotropy and topological spin texture, is desired in order to achieve high-performance spintronic devices. A recent strategy…
A Synthetic Skyrmion Platform with Robust Tunability
Yong Li, Qiyuan Feng, Sihua Li +8
Magnetic skyrmions are topologically non-trivial spin structure, and their existence in ferromagnetically coupled multilayers has been reported with disordered arrangement. In thes…
Re-Symmetrizing the Broken Symmetry with Isotropic Hydrostatic Pressure
Ke Huang, Pengjie Wang, L. N. Pfeiffer +4
Recent progresses in condensed matter physics, such as graphene, topological insulator and Weyl semimetal, often origin from the specific topological symmetries of their lattice st…
Piezo-driven sample rotation system with ultra-low electron temperature
Pengjie Wang, Ke Huang, Jian Sun +3
Piezo-driven rotator is convenient for tilted magnetic field experiments due to its precise angle control. However, the rotator itself and the sample mounted on it are difficult to…