De- partment of Physics;
Faculty of Sciences and Technics;
University of Abomey-Calavi;
Cotonou;
Benin;
Department of Mechanical Engineering;
Laboratory of Integrated Production Technologies;
University of Québec;
Québec;
Canada;
Department of Physics;
Laboratory of Mesoscopic and Multilayer Structures;
University of Dschang;
Dschang;
Cameroon;
Department of Physics;
Laboratory of Mesoscopic and Multilayer Structures;
University of Dschang;
Dschang;
Cameroon;
Department of Thermal Engineering and Energetics;
Douala University Institute of Technology;
Douala;
Cameroun;
Decoherence; Spin; Wave; Anti-Ferromagnetic; Environment; Central; Spin; Variable; B-Field;