Fedoruk, Sergey, Frydryszak, Andrzej, Lukierski, Jerzy, Miquel-Espanya, Cèsar
We extend the Shirafuji model for massless particles with primary spacetime coordinates and composite four-momenta to a model for massive particles with spin and electric charge. The primary...
De Azcarraga, Jose A., Frydryszak, Andrzej, Lukierski, Jerzy, Miquel-Espanya, Cesar
We consider a relativistic particle model in an enlarged relativistic phase space M^{18} = (X_\mu, P_\mu, \eta_\alpha, \oeta_\dalpha, \sigma_\alpha, \osigma_\dalpha, e, \phi), which is derived from...