Intrinsic dipole Hall effect in twisted MoTe2: magnetoelectricity and contact-free signatures of topological transitions
We discover an intrinsic dipole Hall effect in a variety of magnetic insulating states at integer
fillings of twisted MoTe2 moiré superlattice, including topologically trivial and nontrivial ferro …
fillings of twisted MoTe2 moiré superlattice, including topologically trivial and nontrivial ferro …
Chiral Pseudospin Liquids in Moiré Heterostructures
We propose multilayer moiré structures in strong external magnetic fields as a novel platform
for realizing highly tunable, frustrated Hubbard physics with topological order. Identifying the …
for realizing highly tunable, frustrated Hubbard physics with topological order. Identifying the …
Interlayer electric multipoles induced by in-plane field from quantum geometric origins
We show that interlayer charge transfer in 2D materials can be driven by an in-plane electric
field, giving rise to electrical multipole generation in linear and second order in-plane field …
field, giving rise to electrical multipole generation in linear and second order in-plane field …
Dissipationless layertronics in axion insulator MnBi2Te4
Surface electrons in axion insulators are endowed with a topological layer degree of
freedom followed by exotic transport phenomena, eg, the layer Hall effect. Here, we propose …
freedom followed by exotic transport phenomena, eg, the layer Hall effect. Here, we propose …
Chirality probe of twisted bilayer graphene in the linear transport regime
DA Bahamon, G Gómez-Santos, DK Efetov… - Nano Letters, 2024 - ACS Publications
We propose minimal transport experiments in the coherent regime that can probe the
chirality of twisted moiré structures. We show that only with a third contact and in the …
chirality of twisted moiré structures. We show that only with a third contact and in the …
Linear displacement current solely driven by the quantum metric
Quantum metric and Berry curvature are the real part and imaginary part of the quantum
geometric tensor, respectively. The T-odd (T, time-reversal) nonlinear Hall effect driven by …
geometric tensor, respectively. The T-odd (T, time-reversal) nonlinear Hall effect driven by …
Equivalence of semiclassical and response theories for second-order nonlinear ac Hall effects
It has been known that the semiclassical and the response theories can equivalently give
the Drude and the intrinsic anomalous Hall conductivities in the linear order of electric field …
the Drude and the intrinsic anomalous Hall conductivities in the linear order of electric field …
Crossed nonlinear dynamical Hall effect in twisted bilayers
We propose a nonlinear dynamical Hall effect characteristic of layered materials with chiral
symmetry, which is driven by the joint action of in-plane and time variation of out-of-plane ac …
symmetry, which is driven by the joint action of in-plane and time variation of out-of-plane ac …
Stable higher-order topological Dirac semimetals with monopole charge in alternating-twist multilayer graphene and beyond
We demonstrate that a class of stable Z 2 monopole charge Dirac point (Z 2 DP) phases can
robustly exist in real materials, which is counterintuitive: that is, a Z 2 DP is unstable and …
robustly exist in real materials, which is counterintuitive: that is, a Z 2 DP is unstable and …
Van Hove Singularity-Enhanced Raman Scattering and Photocurrent Generation in Twisted Monolayer–Bilayer Graphene
Twisted monolayer–bilayer graphene (TMBG) has recently emerged as an exciting platform
for exploring correlated physics and topological states with rich tunability. Strong light …
for exploring correlated physics and topological states with rich tunability. Strong light …