2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/90694It is proposed to map the quantum information qubit not to individual spin 1/2 states, but to the collective spin states being eigenfunctions of the Hamiltonian including spin-spin interactions, which may be not small. Such an approach allows to introduce more stable calculation basis for quantum computer based on the solid state NMR systems.Quantum Physicstext