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Elementary particle physics and quantum systems

Modern quantum theory and its experimental verification encompasses the study of the most fundamental building blocks of matter, their interaction and their collective behaviour. Contemporary experimental research investigates particle collisions in large colliders such as the Large Hadron Collider in CERN and tests quantitative models based on fundamental symmetries, such as gauge invariance and supersymmetry, and their violations.
Applications can be found, for example, in condensed matter theory, and include superconductivity, BEC condensates, quantum information and causality.  The field also has a strong link to cosmogenesis and cosmology because of the high density of both matter and energy in these collisions and because of the potential for microscopic explanations of the observed evolution of the universe.