2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/121715The simple entanglement of N-body N-particle pure states is extended to the more general M-body or M-body N-particle states where $N\neq M$. Some new features of the M-body N-particle pure states are discussed. An application of the measure to quantify quantum correlations in a Bose-Einstien condensate model is demonstrated.9 pages, 2 figuresQuantum PhysicsMesoscale and Nanoscale Physicstext