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    Portrait photo of Adriana Pálffy-Buß

    Adriana Pálffy-Buß has been appointed to the new W2 professorship for Theoretical Quantum Information and Quantum Optics of the Cluster of Excellence ct.qmat. She is an expert in the new research field of X-ray quantum optics.

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    The two spokespersons of the Cluster of Excellence ct.qmat, Prof. Ralph Claessen (l.) and Prof. Matthias Vojta (r.), together with app designer Philipp Stollenmayer (center), present their joint project, the game app "Kitty Q".

    Award-winning science communication: The game app "Kitty Q" wins "Best Mobile Indie Game" at the Valencia Indie Summit and is nominated for Deutsche Computerspielpreis and children's media award “Goldener Spatz”.

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    Structure of a kagome lattice

    Toward a new kind of superconductivity: An international team of physicists finds joint appearance of intricate quantum phenomena.

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    Kitty Q in the Christmas Mood

    The award-winning game app Kitty Q from the Würzburg-Dresden Cluster of Excellence ct.qmat is drawing wider circles: In January, a series of explainer videos will be launched.

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    A female player shows the mobile game Kitty Q on a tablet..

    Mobile game "Kitty Q – a quantum adventure" released worldwide - Nominated twice for an award at launch - Great-granddaughter and grandson of Nobel Prize winner Erwin Schrödinger take over patronage

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    Physics is getting exciting! "Kitty Q–a quantum adventure" from the Würzburg-Dresden Cluster of Excellence ct.qmat for children from 11 years can be pre-ordered as of now in the app store and tested in Würzburg until October 2.

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    Artistic rendition of a topological array of vertically emitting lasers. All 30 microlasers along a topological interface (blue) act as one, collectively emitting coherent laser light (red).

    Israeli and German researchers have developed a way to force an array of vertical cavity lasers to act together as a single laser - a highly effective laser network the size of a grain of sand. The findings are presented in a new joint research paper published online by the prestigious journal Science on Friday, September 24.

     

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    In der Überlagerung von gemessener Elektronenverteilung (links) und dreieckiger Atomstruktur (rechts) wird deutlich, dass die Elektronen (gelb) nicht auf den grauen Indium Atomen sitzen, sondern sich in den leeren Regionen (rot und blau) sammeln und ein Honigwabenmuster bilden. Dieser Effekt macht die topologischen Eigenschaften des Quantenmaterials Indenen besser als die des Wunderwerkstoffs Graphen.

    Researchers from the Cluster of Excellence ct.qmat–Complexity and Topology in Quantum Matter–have recently conceived and realized a new quantum material. The research results have appeared in the journal Nature Communications.

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    Illustration of an optically excited qubit under pressure.

    A new type of atomic sensor made of boron nitride is presented by researchers in "Nature Communications". The sensor is based on a qubit in the crystal lattice and is superior to comparable sensors.

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    The image shows a "topolectric circuit" used to realize the topological states studied here

    Through a recently developed experimental platform, topological matter can be realized in a fast, cost efficient, and versatile way. Würzburg physicist have now achieved with it a breakthrough that might enable optronic technologies in the long run.

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    Researchers from Jülich and Würzburg are jointly investigating new, exotic quantum states that form at interfaces between superconductors and topological materials. The image shows a quantum dot contact structure constructed at JMU from the topological insulator mercury telluride (blue), which is contacted with superconducting electrodes (green). An electrostatic gate (yellow) is used to control current conduction across the junction. Similar structures will be used in the future to investigate fundamental properties of topological qubits.

    Forschungszentrum Jülich and the University of Würzburg will together investigate the quantum phenomena of topological materials and the opportunities they present within quantum computing. The Free State of Bavaria is funding the project to the tune of € 13 million.

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    Schematic representation of the coherent control of a spin defect (red) in an atomic layer of boron nitride. Boron nitride consists of boron (yellow spheres) and nitrogen (blue spheres) and lies on a stripline. The spin defect is excited by a laser and its state is read out via photoluminescence. The qubit can be manipulated both by microwave pulses (light blue) of the stripline and also by a magnetic field.

    An international research team has made progress towards improved materials for quantum sensor technology. Medicine, navigation and IT could benefit from this in the future.

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    Freeze Like a Star

    11/27/2020

    A new web exhibition of the Würzburg-Dresden Cluster of Excellence ct.qmat – Complexity and Topology in Quantum Matter explores the mysteries of the quantum world.

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