An Application of the Extended Global SO(3) × SO(3) × U(1) Symmetry of the Hubbard Model on a Square Lattice: The Spinon, η-Spinon, and c Fermion Description. - Jose M. P. Carmelo; Maria J. Sampaio (Symmetry, 2011)

Unconventional Fractionalization of Strongly Correlated Electrons. - A. Moreno; Jose M. P. Carmelo; A. Muramatsu (High Performance Computing in Science and Engineering, 2013)