TY - JOUR AU - de Azcarraga, J. A. AU - Fedoruk, S. AU - Izquierdo, J. M. AU - Lukierski, J. PY - 2015 DA - 2015// TI - Two-twistor particle models and free massive higher spin fields T2 - J. High Energy Phys. JO - Journal of High Energy Physics SP - 010 EP - 39pp VL - 04 IS - 4 PB - Springer KW - Field Theories in Lower Dimensions KW - Higher Spin Symmetry KW - Extended Supersymmetry KW - Space-Time Symmetries AB - We present D = 3 and D = 4 world-line models for massive particles moving in a new type of enlarged spacetime, with D-1 additional vector coordinates, which after quantization lead to towers of massive higher spin (HS) free fields. Two classically equivalent formulations are presented: one with a hybrid spacetime/bispinor variables and a second described by a free two-twistor dynamics with constraints. After first quantization in the D = 3 and D = 4 cases, the wave functions satisfying a massive version of Vasiliev's free unfolded equations are given as functions on the SL(2, R) and SL(2, C) group manifolds respectively, which describe arbitrary on-shell momenta and spin degrees of freedom. Further we comment on the D = 6 case, and possible supersymmetric extensions are mentioned as well. Finally, the description of interactions and the Ads/crr duality are briefly considered for massive IHS fields. SN - 1029-8479 UR - http://arxiv.org/abs/1409.7169 UR - https://doi.org/10.1007/JHEP04(2015)010 DO - 10.1007/JHEP04(2015)010 LA - English N1 - WOS:000356852000010 ID - deAzcarraga_etal2015 ER -