Real hypersurfaces in the complex quadric with parallel Ricci tensor

We introduce the notion of parallel Ricci tensor for real hypersurfaces in the complex quadric Qm=SOm+2/SOmSO2Qm=SOm+2/SOmSO2. According to the AA-principal or the AA-isotropic unit normal vector field N  , we give a complete classification of real hypersurfaces in Qm=SOm+2/SOmSO2Qm=SOm+2/SOmSO2 with parallel Ricci tensor.