High harmonic generation (HHG) from gas-phase atoms (or molecules) has opened up a
new frontier in ultrafast optics, where attosecond time resolution and angstrom spatial …

Black phosphorus (BP) is a two-dimensional (2D) layered semiconductor with tunable direct
bandgap, high carrier mobility, balanced on/off ratio and significant crystal anisotropy. These …

Competition and cooperation among orders is at the heart of many-body physics in strongly
correlated materials and leads to their rich physical properties. It is crucial to investigate …

Under strong laser fields, electrons in solids radiate high-harmonic fields by travelling
through quantum pathways in Bloch bands in the sub-laser-cycle timescales. Understanding …

According to the three-step model for solid high-order harmonic generation, there is a one-to-
one correspondence between the emitted photon energy and the band gap where the …

We reveal the crucial effect of strong spin-charge coupling on high-harmonic generation
(HHG) in Mott insulators. In a system with antiferromagnetic correlations, the HHG signal is …

By numerically solving the semiconductor Bloch equation, we study the high-order harmonic
emission spectrum of a MgO crystal under the interaction of a linearly polarized laser pulse …

We present a systematic study of the crystal-orientation dependence of high-harmonic
generation in monolayer transition-metal dichalcogenides, WS 2 and MoSe 2, subjected to …

When a bulk solid is irradiated by an intense laser pulse, transition dipole moments (TDMs)
between different energy bands have an important influence on the ultra-fast dynamic …

To study excitonic effects on high-harmonic generation (HHG) in Mott insulators, we
investigate pumped nonequilibrium dynamics in the one-dimensional extended Hubbard …