Ein quanteninformations-theoretischer Zugang zu Systemen in der Hochenergiephysik

In 1964, the physicist John Stuart Bell initiated a new research field by studying the foundations of quantum mechanics that were otherwise very frowned upon in those days. Until today, many interesting and fruitful directions have emerged and even the first applications are entering the market. In a different field, in particle physics, experiments are achieving ever higher precisions such that the borderline of known physics will soon be reached. This proposed project combines both fields. Its aim is to tackle some of the most fundamental questions of quantum mechanics and to relate them to the most fundamental questions in particle physics. We want to investigate superposition, entanglement and their manifestations at high energies. Former results with meson-antimeson systems have shown that such systems at high energy scales reveal new aspects of the manifestation of the phenomenon entanglement. Obviously, to obtain a full picture of the quantum phenomena and their manifestations one also has to study systems not consisting of ordinary matter and light. We hope to achieve with our project new fascinating insights into the very working of quantum theory for systems at high energy scales and to find feasible experimental tests that will be performed at accelerator facilities.