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Funds for physics contact across the Atlantic

The Danish Agency for Science, Technology and Innovation has awarded a grant of DKK 288,000 (approximately EUR 39,000) to physicist Nikolaj Thomas Zinner, Aarhus University, to set up permanent collaboration with three universities in São Paulo regarding research and education in theoretical physics.

2012.02.09

The project is called ‘Danish-Brazilian Collaboration on Cross-Disciplinary Few-Body Problems in Physics’ and is thus initially concerned with creating cross-disciplinary collaboration between Denmark and Brazil regarding studies of few-body problems.

Aarhus University already has a student exchange agreement with the university in São Paulo. This was initiated a year ago when Rector Lauritz B. Holm-Nielsen, Aarhus University, visited Brazil accompanied by former Science Minister Charlotte Sahl-Madsen.

Few-body problems are not actually as bodily as the expression might imply. It is a physics concept – in both classical and quantum physics. The problems with few-body systems are that equations in classical and quantum physics can be used to precisely describe the interaction and relative movements of two bodies, but these equations are much more complicated if three or four bodies are suddenly involved. Even though scientists are familiar with all the underlying properties and all the forces between each pair of atoms, it is not possible to write down a complete solution – as is the case with only two bodies. Here it is necessary to be guided by physical intuition in order to isolate interesting structures. Fortunately, researchers have recently been able to cool the relevant bodies or particles (e.g. molecules or light atoms) to extremely low temperatures in laboratories around the world, and here they can study the behaviour of few-body systems, so the theory can be determined and expanded.

More information

Nikolaj Thomas Zinner
Department of Physics and Astronomy
Ny Munkegade 120
8000 Aarhus C
+45 8715 5619
zinner@phys.au.dk

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Revised 2012.05.16