Quantum-metric-induced nonlinear transport in a topological antiferromagnet
The Berry curvature and quantum metric are the imaginary part and real part, respectively, of
the quantum geometric tensor, which characterizes the topology of quantum states. The …
the quantum geometric tensor, which characterizes the topology of quantum states. The …
Quantum metric nonlinear Hall effect in a topological antiferromagnetic heterostructure
Quantum geometry in condensed-matter physics has two components: the real part quantum
metric and the imaginary part Berry curvature. Whereas the effects of Berry curvature have …
metric and the imaginary part Berry curvature. Whereas the effects of Berry curvature have …
Intrinsic second-order anomalous Hall effect and its application in compensated antiferromagnets
Response properties that are purely intrinsic to physical systems are of paramount
importance in physics research, as they probe fundamental properties of band structures …
importance in physics research, as they probe fundamental properties of band structures …
Resonant second-harmonic generation as a probe of quantum geometry
Nonlinear responses are actively studied as probes of topology and band geometric
properties of solids. Here, we show that second harmonic generation serves as a probe of …
properties of solids. Here, we show that second harmonic generation serves as a probe of …
Emergent layer stacking arrangements in c-axis confined MoTe2
The layer stacking order in 2D materials strongly affects functional properties and holds
promise for next-generation electronic devices. In bulk, octahedral MoTe2 possesses two …
promise for next-generation electronic devices. In bulk, octahedral MoTe2 possesses two …
Intrinsic nonlinear electric spin generation in centrosymmetric magnets
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 …
centrosymmetric magnets. We reveal the band geometric origin of this effect and clarify its …
Quantum geometry induced nonlinear transport in altermagnets
Quantum geometry plays a pivotal role in the second-order response of PT-symmetric
antiferromagnets. Here we study the nonlinear response of 2D altermagnets protected by C …
antiferromagnets. Here we study the nonlinear response of 2D altermagnets protected by C …
Orbital origin of the intrinsic planar hall effect
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 …
odd in the in plane magnetic field and scales linearly with both electric and magnetic fields …
Control over Berry Curvature Dipole with Electric Field in
Berry curvature dipole plays an important role in various nonlinear quantum phenomena.
However, the maximum symmetry allowed for nonzero Berry curvature dipole in the …
However, the maximum symmetry allowed for nonzero Berry curvature dipole in the …
Orbital Magneto-Nonlinear Anomalous Hall Effect in Kagome Magnet
It has been theoretically predicted that perturbation of the Berry curvature by electromagnetic
fields gives rise to intrinsic nonlinear anomalous Hall effects that are independent of …
fields gives rise to intrinsic nonlinear anomalous Hall effects that are independent of …