News

Magnetic topological insulators are an exotic class of materials that conduct electrons without any resistance at all and so are regarded as a promising breakthrough in materials science. Researchers from the Cluster of Excellence ct.qmat have achieved a significant milestone in the pursuit of energy-efficient quantum technologies by designing the ferromagnetic topological insulator MnBi₆Te_10.

Be it magnets or superconductors: materials are known for their various properties. However, these properties may change spontaneously under extreme conditions. Researchers at the Technische Universität Dresden and the Technische Universität München have discovered an entirely new type of such phase transitions. They display the phenomenon of quantum entanglement involving many atoms, which previously has only been observed in the realm of few atoms. The results were recently published in the scientific journal Nature.

An international research team has discovered that topological electronic states are present in nearly every known material. The team’s discovery of ubiquitous band topology has been published in the journal Science.

Claudia Felser receives the Wilhelm Ostwald Medal of the Saxon Academy of Sciences in Leipzig. She is one of the 25 principal investigators of the Cluster of Excellence ct.qmat.

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Highly motivated speakers, a buzz of voices in the foyer, and lively discussions about the presentations and the posters on display: More than 100 participants attended the first on-site Cluster Retreat – and the second one since the launch of the Cluster of Excellence ct.qmat – Complexity and Topology in Quantum Matter in 2019 – in the placid town of Merseburg from March 23 to 25, 2022. A further 30 retreat guests joined virtually.