Intrinsic second-order anomalous Hall effect and its application in compensated antiferromagnets

H Liu, J Zhao, YX Huang, W Wu, XL Sheng, C Xiao… - Physical Review Letters, 2021 - APS
Response properties that are purely intrinsic to physical systems are of paramount
importance in physics research, as they probe fundamental properties of band structures …

Large effective magnetic fields from chiral phonons in rare-earth halides

J Luo, T Lin, J Zhang, X Chen, ER Blackert, R Xu… - Science, 2023 - science.org
Time-reversal symmetry (TRS) is pivotal for materials' optical, magnetic, topological, and
transport properties. Chiral phonons, characterized by atoms rotating unidirectionally around …

Intrinsic nonlinear electric spin generation in centrosymmetric magnets

C Xiao, H Liu, W Wu, H Wang, Q Niu, SA Yang - Physical Review Letters, 2022 - APS
We propose an intrinsic nonlinear electric spin generation effect, which can dominate in
centrosymmetric magnets. We reveal the band geometric origin of this effect and clarify its …

Orbital origin of the intrinsic planar hall effect

H Wang, YX Huang, H Liu, X Feng, J Zhu, W Wu… - Physical review …, 2024 - APS
Recent experiments reported an antisymmetric planar Hall effect, where the Hall current is
odd in the in plane magnetic field and scales linearly with both electric and magnetic fields …

Nonlinear valley Hall effect

K Das, K Ghorai, D Culcer, A Agarwal - Physical review letters, 2024 - APS
The valley Hall effect arises from valley-contrasting Berry curvature and requires inversion
symmetry breaking. Here, we propose a nonlinear mechanism to generate a valley Hall …

Giant effective magnetic moments of chiral phonons from orbit-lattice coupling

S Chaudhary, DM Juraschek, M Rodriguez-Vega… - Physical Review B, 2024 - APS
Circularly polarized lattice vibrations carry angular momentum and lead to magnetic
responses in applied magnetic fields or when resonantly driven with ultrashort laser pulses …

Magnetoelectrics and multiferroics: theory, synthesis, characterisation, preliminary results and perspectives for all-optical manipulations

D Bossini, DM Juraschek, RM Geilhufe… - Journal of Physics D …, 2023 - iopscience.iop.org
Solid state compounds exhibiting multiple and coupled macroscopic orders, named
multiferroics, represent a challenge for both theoretical and experimental modern …

Time-reversal-even nonlinear current induced spin polarization

C Xiao, W Wu, H Wang, YX Huang, X Feng, H Liu… - Physical Review Letters, 2023 - APS
We propose a time-reversal-even spin generation in second order of electric fields, which
dominates the current induced spin polarization in a wide class of centrosymmetric …

Gate-tunable phonon magnetic moment in bilayer graphene

XW Zhang, Y Ren, C Wang, T Cao, D Xiao - Physical Review Letters, 2023 - APS
We develop a first-principles quantum scheme to calculate the phonon magnetic moment in
solids. As a showcase example, we apply our method to study gated bilayer graphene, a …

Giant effective magnetic fields from optically driven chiral phonons in paramagnets

DM Juraschek, T Neuman, P Narang - Physical Review Research, 2022 - APS
We present a mechanism by which optically driven chiral phonon modes in rare-earth
trihalides generate giant effective magnetic fields acting on the paramagnetic 4 f spins. With …