Abstract
Prof. Dr. Friedhelm Bechstedt is a full professor and director of the Condensed Matter and Optic Institute (www.ifto.uni-jena.de) of the Friedrich-Schiller Universität of Jena, Germany, and head of The Solid State Theory Group, one of more active in its area. Prof. Bechstedt is a very active researcher, as can be seen from his CV, his interests covers a wide range of research areas in con…