2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/124770With atomic spontaneously generated coherence (SGC), we propose a novel scheme to coherently control the atom--photon momentum entanglement through atomic internal coherence. A novel phenomena of ``phase entanglement in momentum'' is proposed, and we found, under certain conditions, that super--high degree of momentum entanglement can be produced with this scheme.6 pages, 10 figuresQuantum Physicstext