Seminar "Quantum spin liquid candidate Ca10Cr7O28 – A spinon description" by Mr. Jonas Sonnenschein
Tuesday, February 18, 2020 - 15:00 to 16:00
Lab3 Level A / A720
Speaker : Mr. Jonas Sonnenschein from Freie University of Berlin.
Quantum spin liquids are phases of matter that do not develop any magnetic order at low temperatures. The usual description of magnetism based on a mean-field theory of the spin operators is therefore bound to fail. In this talk an alternative approach using a fermionic representation is presented. This formalism is then applied in order to explain the experimental data of the quantum spin liquid candidate Ca10Cr7O28.
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