Rotor for permanently excited synchronous machine and permanently excited synchronous machine

The invention relates to a rotor (1) for a permanently excited synchronous machine, comprising a laminated core having recesses (7, 8) in which respective permanent magnets (9, 10) are accommodated. The recess (7, 8) has a first end region (11) which is closer to the rotational axis of the rotor (1) than the second end region (12). The permanent magnets (9, 10) are arranged in grooves (7, 8) which are adjacent to each other and of which the first end regions (11) are closer to each other than the second end regions (12) in the circumferential direction of the rotor (1) in such a way that the like poles (N) of the permanent magnets (9, 10) face each other. The rotor (1) has at least one holding part (14) by means of which the first section (15) of the laminated core is coupled to the second section (16) of the laminated core. The holding member (14) has a magnetic permeability smaller than a partial region of the laminated core, the volume of which is equal to the volume of the holding member (14). The inventi