A. Edison, E., Erhieyovwe, A. and Omosede, O. 2014. A VARIATIONAL THEORY OF QUASI-PARTICLES IN A 3D N x N x N CUBIC LATTICE. JOURNAL OF ADVANCES IN PHYSICS. 5, 1 (Jul. 2014), 712–725. DOI:https://doi.org/10.24297/jap.v5i1.6101.