2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/110203The Dirac equation for massive free electrically neutral spin 1/2 particles in a gravitation field is considered. The secondary quantization procedure is applied to it and the Hilbert space of multiparticle quantum states is constructed.AmSTeX, 10 pages, amsppt styleDifferential GeometryAstrophysicsGeneral Relativity and Quantum CosmologyHigh Energy Physics - PhenomenologyHigh Energy Physics - TheoryMathematical PhysicsQuantum Physics81T20, 83C47On the Dirac equation in a gravitation field and the secondary quantizationtext