2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/94310We describe a quantum algorithm to compute the density of states and thermal equilibrium properties of quantum many-body systems. We present results obtained by running this algorithm on a software implementation of a 21-qubit quantum computer for the case of an antiferromagnetic Heisenberg model on triangular lattices of different size.6 pages, 2 figures, PTPTEX (included)Quantum Physicstext