Photo: UHH/MIN/Fuchs The new group is under the direction of Georg Rohringer.
The German Research Foundation (DFG) is funding a new Emmy Noether junior research group at the Department of Physics at the University of Hamburg that aims to systematically analyse, summarise and improve various theories in solid state physics. The junior research group will receive funding of around 1.2 million Euros for six years and will be launched in August 2019 under the direction of Dr. Georg Rohringer. Theoretical physicists need easily calculable theories and models with which material properties can be predicted: Is the substance, for example, an electrical conductor or an insulator? Is the substance magnetic? And how do they reflect light waves' The difficulty of the various theories lies in the fact that they are supposed to represent reality as accurately as possible and still have to be greatly simplified, because otherwise even supercomputers would be overwhelmed by the calculation. The result is that many similar theories have been developed over the past ten years, but they only work well with a few materials. The new Emmy Noether Group will first carry out a systematic comparative analysis of existing theories and will provide an overview of what each theory does. In the second step, the physicists will develop a new method to ensure the comparability of the different theories. "Different theories in physics should provide consistent results for the same problem," says Dr. Georg Rohringer.
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