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. University Research Center of Ioannina (URCI)─Institute of Materials Science and Computing, 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