Yuri Kalmykov is Professor of Physics at the University of Perpignan. Dr. Kalmykov has also been a Visiting Scientist at Trinity College, Dublin, and a Visiting Professor at Queen’s University of Belfast, UK. The area of his research interests is non-equilibrium statistical mechanics, dielectric and Kerr-effect relaxation in gaseous and liquid dielectrics, magnetic relaxation of ferrofluids, relaxation processes in complex systems, etc. Dr. Kalmykov is a Fellow of the Institute of Physics, UK, and author of several books and over two hundred research articles that have appeared in numerous scientific journals including the Journal of Chemical Physics, the Physical Review (A, B, and E) and Physical Review Letters. William Coffey has held research positions at the School of Theoretical Physics, Dublin Institute for Advanced Studies, and at the University of Salford. He was appointed Lecturer at the University of Dublin, Trinity College, in 1977, elected a Fellow of the College in 1981, and appointed a Profess