Complete solution of the antiferromagnetic Heisenberg rings with<i>N</i>=12–16 sites

Abstract

We present results of a complete and exact diagonalization of the antiferromagnetic Heisenberg Hamiltonian for rings with N=12, 13, 14, 15, or 16 sites.Received 17 April 1991DOI:https://doi.org/10.1103/PhysRevB.44.7476©1991 American Physical Society