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

  • Frauenkirche-Dresden-Social-Program-Ctqmat24-W570-Klein

    16 – 18 Jan 2025

    QMA Bridge Dresden 2025

    This short visit enables new QMA members from the Würzburg side of ct.qmat to get to know the other location, make contacts and explore possible collaborations.

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  • Slider-Rethinkingphysiks-1920x1080-5

    17 – 22 Jan 2025

    RETHINKING PHYSICS - Exhibition Opening in Würzburg

    A Century of Quantum Mechanics – Time for a Female Perspective!

    Our temporal exhibition opens on January 17, 2025, at 5:00 PM at the Martin von Wagner Museum in the Residenz in Würzburg and will be on display until January 22, 2025.

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  • Slider-Rethinkingphysiks-1920x1080-1

    17 Jan – 05 Feb 2025

    RETHINKING PHYSICS - Exhibition Opening in Dresden

    A Century of Quantum Mechanics – Time for a Female Perspective!

    Our temporal exhibition opens on January 17, 2025, at 5:00 PM in the foyer of the Kulturpalast in Dresden and will be on display until February 5, 2025.

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

    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

    02 – 04 Apr 2025

    Third Spring School "Topological Quantum Matter"

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

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  • 3713-Dom-Und-Severi-Barbara-Neumann-1920x1080

    24 – 26 Sept 2025

    Cluster Retreat 2025 Erfurt

    Junior and senior cluster-affiliated scientists will meet in Erfurt for three days of scientific exchange and networking.

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News

  • Vorschau-4-X-Best-Of-1

    25 Nov 2024

    ct.qmat Celebrates Four Among World’s Most Cited Researchers

     At ct.qmat four esteemed members have been named among the world’s most frequently cited scientists, solidifying the cluster’s status as a forefront leader in global topological and quantum matter research.

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  • Ctqmat24-Conference-Web-Header-Neu

    22 Nov 2024

    CT.QMAT24: International Conference Puts Dresden at the Forefront of Quantum Physics

    Around 250 scientists from 15 countries gathered in Dresden from September 23 to 27, 2024, for the International Conference on Complexity and Topology in Quantum Matter (CT.QMAT24) to discuss pioneering global research and key topics in condensed matter physics.

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  • Pressebild-Escaperoom-Katzeq-Dsc01457-Fototobiasritz-1920x1080

    04 Oct 2024

    Don’t delay—book now!: Quantum Adventures in Dresden During Fall Holidays at the Kitty Q Escape Room

    Germany’s first quantum physics-themed escape room for youngsters—Kitty Q at Technische Sammlungen Dresden—has added more available slots just in time for Saxony’s fall break.

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  • Trion-Bygiuseppemeneghini-16x9web

    27 Sept 2024

    Temporarily apart: Research team succeeds in ultra-fast switching of tiny light sources

    An international team led by the Cluster of Excellence ct.qmat has now made remarkable progress with an experiment conducted at Helmholtz-Zentrum Dresden-Rossendorf (HZDR): The experts were able to induce an extremely fast switching process between electrically neutral and charged luminescent particles in an ultra-thin, effectively two-dimensional material. Published in Nature Photonics.

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  • 0916quantengravitation-Www-1

    17 Sept 2024

    Würzburg Physics Team Electrifies the Quantum World

    Researchers from the Cluster of Excellence ct.qmat have developed a method to model a central theory of quantum gravity in the laboratory. Their goal: to decipher previously unexplained phenomena in the quantum world.

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  • 240819-Kagome-Metalle-K-1920x1080

    23 Aug 2024

    Würzburg Theory Experimentally Confirmed: Kagome Superconductor Makes Waves

    Superconductivity theory proposed by Würzburg physics team validated in an international experiment: Cooper pairs display wave-like distribution in Kagome metals, paving the way for new technological applications like superconducting diodes.

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  • Ctd-Qmat-Slider

    22 Aug 2024

    Dynamic Progress into the Second Funding Period: Würzburg-Dresden Cluster of Excellence Seeks Continued Funding with New Name ctd.qmat

    Under its new name, ctd.qmat—Complexity, Topology and Dynamics in Quantum Matter, the Würzburg-Dresden Cluster of Excellence has submitted its application for the second funding period from 2026 to 2032 within the Excellence Competition of the German Federal and State Governments.

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  • Pressebild-Topologischer-Schnelltest-V1-Bildjoergbandmannpixelwg-1920x1080px

    16 May 2024

    Method Milestone for Quantum Physics: Rapid Test for Topological 2D Materials

    Topological quantum materials are hailed as a cornerstone of future technological advancements. Yet, validating their exceptional qualities has always been a lengthy business. However, researchers at the Cluster of Excellence ct.qmat have now developed an experimental technique that systematically identifies two-dimensional topological materials through a rapid test.

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  • 5-Amacgarbe-Katzeq02-1920x1080

    25 Apr 2024
    12:00 pm

    Kitty Q – A Quantum Adventure: Germany’s First Quantum Physics Escape Room for Children Opens in Dresden

    +++ Cluster of Excellence ct.qmat unveils Germany’s first quantum physics-themed escape room for youngsters in Dresden +++ Kitty Q – A Quantum Adventure at Technische Sammlungen Dresden offers a gamified exploration of quantum physics +++ Michael Kretschmer, Prime Minister of the Free State of Saxony, has agreed to act as patron +++

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