This review presents recent breakthroughs in the realm of nonlinear Hall effects,
emphasizing central theoretical foundations and recent experimental progress. We elucidate …

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 …

We experimentally elucidate the origin of the anomalous Hall conductivity in a three-
dimensional Dirac semimetal, Cd 3 As 2, driven by circularly polarized light. Using time …

Generating photogalvanic effects in centrosymmetric materials can provide new
opportunities for develo** passive photodetectors and energy-harvesting devices. In this …

We study the dc photocurrent induced by linearly polarized light in a multiband Dirac-
electron system, focusing on the organic conductor α-(BEDT-TTF) 2 I 3. Utilizing perturbation …

For materials lacking inversion symmetries, an interband transition induced by a photon may
result in excited electrons (holes) experiencing a spatial shift leading to generation of …

The shift current is part of the second-order optical response of materials with a close
connection to topology. Here we report a sign inversion in the band-edge shift …

The electronic and optical properties of graphene nanoribbons under uniaxial periodic strain
have been explored using various nearest-neighbor hop** patterns. It is found that by …

In this comprehensive study, we conduct a theoretical investigation into the Stark shift of
topological states (TSs) in finite armchair graphene nanoribbons (AGNRs) and …

Shift photovoltaic current (SPC) in polar non-centrosymmetric materials has recently
emerged as a promising candidate for the next generation photovoltaic devices in which …