Answers are grounded in this paper and cite their sources.
Magnetic susceptibility and inelastic neutron scattering experiments have been performed in the nearly ideal one-dimensional Heisenberg antiferromagnet with spin one, Ni(C2H8N2)2NO2ClO4. The experimental results are consistent with the recent theoretical predictions for a quantum energy gap between the ground state and the first excited states.
No takes yet. Share an insight, caveat, or question.
Renard et al. (1987) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: