3 papers
physics.optics2025
High-harmonic spectroscopy of mobility edges in one-dimensional quasicrystals
H. K. Avetissian, B. R. Avchyan, A. Brown +1
Quasicrystals occupy a unique position between periodic and disordered systems, where localization phenomena such as Anderson transitions and mobility edges can emerge even in the…
physics.optics2025
Zeptosecond Electron Pulse Train and Ultrafast Coherent Control of Quantum States via Multiphoton Inelastic Cherenkov Diffraction
H. K. Avetissian, G. F. Mkrtchian
We investigate the quantum dynamics of fermionic particles interacting with a laser field in a gaseous medium, in the regime of inelastic diffraction scattering on the phase lattic…
cond-mat.mes-hall2025
Berry curvature and shift vector effects at high-order wave mixing in biased bilayer graphene
H. K. Avetissian, H. H. Matevosyan, G. F. Mkrtchian
In this work, we present a microscopic quantum theory that elucidates the nonlinear and nonperturbative optical response of biased bilayer graphene subjected to bichromatic strong…