Welcome to the homepage of the Journal Club organized by the theoretical physics group of the Physics Division, NTUA. The aim of this weekly informal meeting is to discuss recent progress on theoretical physics. The speaker is given approximatelly 50 minutes to present a topic of his/her personal preference and additional time is reserved for questions. Everyone is encouraged to interact throughout the talk and participate in the discussion. In order to contribute in the meetings by giving a talk please contact the organizers.