most citedDomain-Wall Ferroelectric Polarons in a two-dimensional Rotor Lattice Model

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cond-mat.mtrl-sci2026

Second-order Raman and anharmonic lattice dynamics in lead-halide perovskites

Chao Shen, Florian Kluibenschedl, Ayan A. Zhumekenov +4

We explore the microscopic origin of THz-driven lattice dynamics in methylammonium lead bromide CHNHPbBr using two-dimensional THz Kerr-effect spectroscopy. The analysi…

cond-mat.mtrl-sci2026

First-principles theory of phonon renormalization from nonlinear electron-phonon interactions

Florian Kluibenschedl, Matthew Houtput, Jacques Tempere +3

Electron-phonon interactions renormalize phonon frequencies and lifetimes and are central to the dynamical properties of solids. While these effects are usually described within li…