19 August 2021 Thu 4 pm

< Previous

Next >

Flat bands arise in periodic media when symmetries or fine-tuning result in perfect wavepacket localization. Flat band localization is fragile and exhibits remarkably sharp sensitivity to perturbations including interactions and disorder, leading to a variety of interesting quantum and classical phenomena. Originally a theoretical curiosity, advances in fabrication methods over the past decade now allow flat band physics to be observed down to the nanoscale. I will discuss how I first became interested in flat bands, summarise what we have learned to date, and speculate on where this exciting field is headed.