A group of researchers led by Sir Andre Geim and Dr. Alexey Berdyugin at The University of Manchester have discovered and characterized a new family of quasiparticles named 'Brown-Zak fermions' in graphene-based superlattices.
source https://phys.org/news/2020-11-scientists-family-quasiparticles-graphene-based-materials.html
