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Research with Neutrons and Muons (NUM)

The NUM division performs world-class research with neutrons and muons to explore and understand matter and materials. The NUM division operates and develops the Swiss Spallation Neutron Source SINQ, the Ultra-cold Neutron Source UCN, the Swiss Muon Source SμS and the facilities for particle physics at the Paul Scherrer Institute and is one of the five PSI research divisions.

Read more about the NUM division.

Latest News

20 July 2017

Diving into magnets

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A team led by Laura Heyderman has made visible, for the first time, the 3D directions of the magnetisation inside a magnetic object. The smallest details in their visualisation were on the scale of 100 nanometers. Among others, the magnetic structure contained one outstanding kind of pattern: magnetic singularities called Bloch points, which up to now were only known in theory.

17 July 2017

New quantum state observed in a Shastry–Sutherland compound

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Scientists from PSI and the École polytechnique fédérale de Lausanne (EPFL) have shown experimentally, for the first time, a quantum phase transition in strontium copper borate, the only material to date that realizes the famous Shastry–Sutherland quantum many-body model.

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