The emergent field of cavity quantum materials bridges collective many-body phenomena in
solid state platforms with strong light–matter coupling in cavity quantum electrodynamics …

Geometry, an ancient yet vibrant branch of mathematics, has important and far-reaching
impacts on various disciplines such as art, science, and engineering. Here, we introduce an …

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 …

Quantum geometry defines the phase and amplitude distances between quantum states.
The phase distance is characterized by the Berry curvature and thus relates to topological …

A central result in superconductivity is that flat bands, though dispersionless, can still host a
nonzero superfluid weight due to quantum geometry. We show that the derivation of the …

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 …

Using circularly polarized light to control quantum matter is a highly intriguing topic in
physics, chemistry and biology. Previous studies have demonstrated helicity-dependent …

The quantum geometry has significant consequences in determining transport and optical
properties in quantum materials. Here, we use a semiclassical formalism coupled with …

The bulk photovoltaic effect (BPVE) occurs in solids with broken inversion symmetry and
refers to DC generation due to uniform illumination, without the need of heterostructures or …

Nonlinear transport phenomena offer an exciting probe into the band geometry and
symmetry properties of a system. While most studies on nonlinear transport have looked at …