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GRK 2450 Designated Speaker
Prof. Dr. Marcus Elstner
Institute of Physical Chemistry (IPC)


Campus South

Fritz-Haber-Weg 2

76128 Karlsruhe

Tel.: +49 721 608-45705

Fax: +49 721 608-45710

E-Mail: marcus elstnerDoo0∂kit edu

Welcome to the Research Training Group (RTG) 2450 - Tailored Scale-Bridging Approaches to Computational Nanoscience

The last decades brought a massive development of simulation methods for materials science, chemistry and soft matter applications, now being efficient and accurate for the targeted application area. Despite their numerous successful applications, these methods are mostly limited to a certain time- and length scale and a plethora of scientific questions remain, which are not or cannot be addressed by such approaches. Common scale-bridging approaches either apply techniques like bottom-up parametrization or parameter passing, which rely on an intrinsic time-scale separation of the scientific problem, or they are based on the combination of simulation methods, as e.g. in QM/MM approaches. The latter, although successfully bridging a broad range of scales in space, are limited to the time-scale of the computationally most expensive method. Many interesting research problems, however, integrate a broad range of time-scales and being recursive in nature, i.e. events on a longer time scale determine structure and function on a short time-scale. Prominent examples are conformationally gated biochemical reactions in proteins. In this RTG we want to systematically investigate problems, which are not addressable by standard tools from the quantum chemistry toolbox. 

The research is organized into seven projects, where five projects address scientific challenges like friction, materials aging, material design and biological function, which so far cannot be approached by single computational methods or standard multiscale approaches. The challenges are met, (i) by building teams which cover all knowledge and methods required to address scale-bridging problems, (ii) by a research program, which aims at a novel holistic, problem-driven approach to combine existing methods on the individual scales to recursive scale-bridging workflows and (iii) by training doctoral researchers, who are enabled to apply scale-bridging concepts and technical skills needed for such a problem-driven approach. The latter will be facilitated by a qualification program, which introduces the doctoral researchers into the various relevant topics and theories, enables them to develop and apply computational methods in close interdisciplinary cooperation, teaches them to use concepts from computer science and mathematics and guides them into processes of scientific (self)-organization.






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