Welcome to ct.qmat

We are the Cluster of Excellence ct.qmat – Complexity and Topology in Quantum Matter. Established in 2019, the Würzburg-Dresden Cluster ct.qmat is a leading international center for research on topological and complex quantum matter. Our aim is to develop a deep understanding of quantum phenomena in general and to identify materials in which those phenomena are observed in the laboratory. This is supported by educating and attracting top-level students and scientists as well as by supplementing infrastructure in both Würzburg and Dresden.

ct.qmat in a Nutshell

 

ct.qmat unites two of the leading research hubs in condensed matter physics: Dresden and Würzburg.

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Powerful Network for Cutting-Edge Research. ct.qmat’s Würzburg spokesperson Ralph Claessen highlights its remarkable achievements:

 

"At the heart of our research are complexity and topology, two exciting key areas in modern condensed matter physics. We’ve developed quantum materials with unprecedented features, such as manganese bismuth telluride. Our team has made significant strides in superconductivity, topological insulators, and topological lasers. From two universities and our external partners, a network has grown that’s truly greater than the sum of its parts."

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Continuing the Quantum Revolution. ct.qmat is leading the way, says its Dresden spokesperson Matthias Vojta:

 

"We’re leading the field with our discoveries. Developing a wide variety of materials using state-of-the-art synthesis techniques, we’ve firmly established Würzburg and Dresden as Germany’s premier centers of topological materials physics. We’re driven by curiosity and a commitment to systematically understanding topological physics. We also reach out to the public, including by launching an escape room for kids in 2024. That’s something we’re really passionate about!"

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ct.qmat Report Reveals Trends in Quantum Materials Research
In its Mid-Term Report, the ct.qmat Cluster of Excellence offers a snapshot of its research activities and highlights key developments. The publication illustrates the strong connections fostered by the collaborative project between JMU Würzburg and TU Dresden, linking two leading research centers in condensed matter physics. New ideas are already in the works.

Download (pdf, 4.42 MB)

Events

  • Jena-Am-Abend-Quelle-Jenakultur-Foto-Jenaparadies-Scaled-1

    31 Mar – 02 Apr 2025

    Sixth QMA retreat (Jena)

    In Jena we will meet and talk about your projects.

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  • Jena-Am-Abend-Quelle-Jenakultur-Foto-Jenaparadies-Scaled-1

    02 – 04 Apr 2025

    Third Spring School "Topological Quantum Matter"

    We will meet in Jena directly after the sixth QMA retreat and learn more about complexity and topology in quantum matter.

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  • Dresden-Mpi-Physik-Komplexer-Systeme16zu9bearbeitet

    02 – 06 Jun 2025

    CORPES workshop at the MPI on strong correlations and angle-resolved photoemission

    CORPES is an international series of workshops, held biennially since 2005 and dedicated to recent experimental and theoretical advances in the electronic structure of strongly correlated systems and quantum materials. The workshops bring together scientists working in the broad areas of many-body electronic structure theory and angle-resolved photoemission spectroscopy (ARPES).

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News

  • Quantentornado-Pyro-Final-4000x2500-2

    08 Mar 2025

    Quantum Tornadoes in Momentum Space: Würzburg-Dresden Research Team Delivers First Experimental Proof of a New Quantum Phenomenon

    A breakthrough that’s turning heads in the scientific community: A young research team from Würzburg has experimentally demonstrated a quantum tornado for the first time by refining an established method. The discovery has now been published in Physical Review X.

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  • Rethinking-Physics-Dsc01119-Fototobiasritz-Web

    07 Mar 2025

    Quantum Power for International Women’s Day: Exhibition RETHINKING PHYSICS at Technische Sammlungen Dresden

    +++ Travelling exhibition RETHINKING PHYSICS by the Cluster of Excellence ct.qmat opens March 8, 2025, at Technische Sammlungen Dresden +++ Launch event highlights gender equality in science +++ Impressive portraits of female physicists inspire diversity and equal opportunity in research +++ Exhibition to tour 50+ locations worldwide as part of Quantum2025 – the International Year of Quantum Science and Technology +++

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  • Kulturpalast-1920x1080-Fotokatjalesser

    17 Jan 2025
    05:30 pm

    Exhibition “RETHINKING PHYSICS: A Century of Quantum Mechanics – Time for a Female Perspective!” Opens in Dresden

    +++ Cluster of Excellence ct.qmat celebrates Quantum2025 with impressive portraits of female physicists +++ Traveling exhibition RETHINKING PHYSICS debuts in Dresden and Würzburg as part of the United Nations International Year of Quantum Science and Technology +++ Role models promoting diversity and equal opportunities in science +++ Around 50 international stops planned for 2025 +++

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