Mezincescu, L.; Townsend, P.K.
(Symmetry, Integrability and Geometry: Methods and Applications, 2011)
The minimal (N=1) superparticle in three spacetime dimensions (3D) is quantized. For non-zero mass it describes a spin-1/4 semion supermultiplet of ''relativistic helicities'' (−1/4,1/4). The addition of a parity-violating ...