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Altermagnetism has been experimentally confirmed

The highest energy cosmic ray particles are likely to penetrate much deeper into the atmosphere than previously thought. The incoming particles are therefore likely to be much heavier. New and fundamental insights emerge from a method that generalises the approach to predicting models of cosmic particle collisions with the Earth's atmosphere. The accuracy of Jakub Vícha's method has been confirmed by hundreds of international scientists at the Pierre Auger Observatory, as shown in a study published these days in Physical Review D.

Theoretical interpretation often steps into the spotlight first once breakthrough experiments have been finished. A much more exciting situation, especially in the realm of spectral properties of magnetic materials, is when a theoretical prediction persuades researchers to undertake a specific measurement approach, and subsequently, the collected data align precisely with the prediction. Research that resulted in a paper published last week in Physical Review Letters, where an international team reported that the way light is absorbed by a magnetic substance varies according to its state of polarization, followed just this less common line of development.

We experienced another successful participation in career fairs. This year we started on 4th April at the FJFI CTU at the proven event "Ulov mě na Jaderce" and continued on 24th April at "Dny firem na Matfyzu". In both cases, a considerable number of students, especially students of physics and mathematics who are already looking for job opportunities during their studies, arrived at the FZU stand. Together we discussed the possibilities of professional employment and the offer of internships at FZU.