| Ramon Aguado ICMM-CSIC, Spain Invited – kurs Quantum matter: theory & simulations
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| Eric Akkermans Technion, Israel Turorial Speaker
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| Jordi Arbiol ICREA & ICN2, Spain Invited – kurs Quantum materials: growth, characterization & device fabrication
Graduated in Physics at Universitat de Barcelona (UB) in , where he also obtained his PhD (European Doctorate and PhD Extraordinary Award) in in the field of transmission electron microscopy (TEM) applied to nanostructured materials. He also worked as Assistant Professor at UB. In he was appointed as ICREA Professor and holds this position since then. From to he was Group Leader at Institut de Ciència de Materials de Barcelona, ICMAB-CSIC and Scientific Supervisor of its electron microscopy facilities. He was the President of the Spanish Microscopy samhälle (SME) from to , was Vice-President from • Novel Quantum State Discovered in Arsenic Crystal Princeton University find that a crystal of arsenic hosts a new type of quantum behavior. Physicists have observed a novel quantum effect termed “hybrid topology” in a crystalline material. This finding opens up a new range of possibilities for the development of efficient materials and technologies for next-generation quantum science and engineering. The finding, published in the April 10th issue of Nature, came when Princeton scientists discovered that an elemental solid crystal made of arsenic (As) atoms hosts a never-before-observed form of topological quantum behavior. They were able to explore and image this novel quantum state using a scanning tunneling microscope (STM) and photoemission spectroscopy, the latter a technique used to determine the relative energy of electrons in molecules and atoms. This state combines, or “hybridizes,” two forms of topological quantum behavior—edge states and surface states, which a • Imaging real-space flat band localization in kagome magnet FeSnData availabilityThe information that support the findings of this study are available from M.Z.H. upon reasonable request. ReferencesTsui, D. C., Stormer, H. L. & Gossard, A. C. Two-dimensional magnetotransport in the extreme quantum limit. Phys. Rev. Lett.48, – (). ArticleCAS Google Scholar Laughlin, R. B. Anomalous quantum Hall effect: an incompressible quantum fluid with fractionally charged excitations. Phys. Rev. Lett.50, – (). Article Google Scholar Si, Q. & Steglich, F. Heavy fermions and quantum phase transitions. Science, – (). ArticleCAS Google Scholar Lieb, E. H. Two theorems on the Hubbard model. Phys. Rev. Lett.62, (). ArticleCAS Google Scholar Johnston, R. L. & Hoffmann, R. The kagomé net: Band theoretical and topological aspects. Polyhedron9, – (). ArticleCAS Google Scholar Yin, J-X., Lian, B. & Hasan, M.Z. Topological kagome magnets and sup
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