We study the d−d excitation model by exact numerical diagonalization of the Hamiltonian for a small size system of twoCu and threeO atoms. We present results for the pair binding energy and ground state correlation functions. © 1988, Elsevier Science Publishers B.V.. All rights reserved.
Zotos, X., Shelankov, A. L., & Weber, W. (1988). Finite size systems study of the d-d excitation model. Physica C: Superconductivity and Its Applications, 153–155, 1308–1310. https://doi.org/10.1016/0921-4534(88)90295-X