3 papers
cond-mat.quant-gas2026
Real-time probing of quadrupolar contributions to the absorption cross section of non-periodic systems
Anvar Khujakulov, Michele Guerrini, Carlo Andrea Rozzi +1
The non-perturbative evaluation of multipolar cross sections is essential for probing atomic and molecular responses to spatially inhomogeneous electric fields characteristic of na…
physics.optics2025
Excited State Absorption Drives Low-Energy Optical Limiting in Oligothiophenes
Mustapha Driouech, Michele Guerrini, Caterina Cocchi
Optical limiting (OL), a crucial mechanism for protecting human eyes and sensitive sensors from intense radiation, relies on understanding the optical nonlinearities acting on the…
cond-mat.mtrl-sci2025
Ultrafast Photoexcitation of Semiconducting Photocathode Materials
Hilde Bellersen, Michele Guerrini, Caterina Cocchi
Cs-based semiconductors like and are currently used as photocathodes in particle accelerators. Their performance as electron sources critically…