Topological phase detection through high-harmonic spectroscopy in extended Su-Schrieffer-Heeger chains

ML Bera, JO de Almeida, M Dziurawiec, M Płodzień… - Physical Review B, 2023 - APS
Su-Schrieffer-Heeger (SSH) chains are paradigmatic examples of one-dimensional
topological insulators hosting zero-energy edge modes when the bulk of the system has a …

Probing Electron Correlations with First-principles Calculations of the High Harmonic Spectrum in Solids

D Alam - 2023 - stars.library.ucf.edu
High harmonic generation (HHG) is an extreme non-linear phenomenon where strong laser
fields interact with a medium to produce coherent and high-frequency harmonics of the …