Quantum Information Science is a novel area of physics that has emerged from the idea of bringing together information theory and quantum mechanics.
Following a rapid development it is now reaching out to various branches of science. These include statistical mechanics, thermo- dynamics, quantum optics, condensed matter physics, information theory and algorithm design as well as mathematics including matrix analysis and optimization theory. Research in Quantum Information Science employs techniques and ideas from these areas but at the same time tries to investigate them further by viewing them from the hitherto unexplored perspective of information theory.
Direct consequences of the ideas emerging from this new viewpoint are for example applications such as quantum algorithms, quantum cryptography and quantum enhanced measurement which all exceed limitations that have been taken for granted in classical physics.
The prospect of these potential applications and the desire to build quantum information processing devices have led to the quest for the experimental control of individual physical systems at the quantum level. If successful, this would be certain to ultimately lead to an entirely new class of technological applications.
Our group is concerned with theoretical questions arising in the area of Quantum Information Science. This includes a detailed quantitative understanding of quantum entanglement as a resource, the impact of ideas from information theory on other areas of physics such as statistical mechanics, the development of innovative quantum applications and the investigation of novel ways to implement quantum information processing in quantum optical or condensed matter systems.
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