Electromagnetic field assisted exciton diffusion in moir\'e superlattices

AM Shentsev, MM Glazov - arxiv preprint arxiv:2409.04284, 2024 - arxiv.org
We study exciton energy spectrum and their propagation in moir\'e superlattices formed in
transition metal dichalcogenide heterobilayers. In such structures, as a result of weak …

Diffusion cascade in a model of interacting random walkers

A Raj, P Glorioso, S Gopalakrishnan… - arxiv preprint arxiv …, 2024 - arxiv.org
We consider the relaxation of finite-wavevector density waves in a facilitated classical lattice
gas. Linear hydrodynamics predicts that such perturbations should relax exponentially, but …