1. Computation-Based Science and Technology Research Center, The Cyprus Institute, Nicosia 2121, Cyprus
2. Department of Physics, University of Ioannina, Ioannina 45110, Greece
3. Institute of Materials Science and Computing, University Research Center of Ioannina (URCI), Ioannina 45110, Greece
4. Department of Mathematics and Applied Mathematics, University of Crete, Heraklion GR-71110, Greece
5. Institute of Applied and Computational Mathematics, Foundation for Research and Technology─Hellas, Heraklion, GR-71110 Crete, Greece