no code implementations • 12 Jun 2017 • Peizhe Tang, Quan Zhou, Shou-Cheng Zhang
Exotic massless fermionic excitations with non-zero Berry flux, other than Dirac and Weyl fermions, could exist in condensed matter systems under the protection of crystalline symmetries, such as spin-1 excitations with 3-fold degeneracy and spin-3/2 Rarita-Schwinger-Weyl fermions.
Materials Science Mesoscale and Nanoscale Physics Applied Physics