The Peter Grünberg Institute (PGI) is dedicated to the discovery and interpretation of new phenomena in condensed matter, the development of novel materials and functional structures at the nano- and quantum-scale as well as innovation in experimental and theoretical methods. Our research places emphasis on potential long-term applications in information technology and related fields. A special focus lies on quantum materials, quantum computing and neuromorphic computing.

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First Experimental Demonstration of Antiskyrmions: 3 Questions for Nikolai Kiselev

Tiny magnetic vortex structures in materials, called skyrmions, were first detected experimentally a good 10 years ago. Today, they form a basis for innovative concepts in information processing with better performance and less energy consumption. Jülich scientists, together with colleagues at RWTH Aachen University and the University of Uppsala in Sweden, have now experimentally demonstrated anti-skyrmions for the first time. Jülich theoretical physicist Dr. Nikolai Kiselev, a researcher at the Peter Grünberg Institute and the Institute for Advanced Simulations, is part of the team that succeeded in making this discovery and here explains its significance.

PGI Colloquium: Prof. Dr. Silvia Viola Kusminskiy, Max Planck Institute for the Science of Light, Erlangen & RWTH Aachen University, Aachen, Germany

In the last few years, a new field has emerged at the intersection between Condensed Matter and Quantum Optics, denominated “Quantum Magnonics”. This field strives to control the elementary excitations of magnetic materials, denominated magnons, to the level of the single quanta, and to interface them coherently to other elementary excitations such as photons or phonons. The recent developments in this field, with proof-of-concept experiments such as a single-magnon detector, have opened the door for hybrid quantum systems based on magnetic materials.

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