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MA: Fachverband Magnetismus

MA 14: Focus: Magnetism as seen by neutrons

MA 14.2: Invited Talk

Tuesday, March 8, 2016, 10:00–10:30, H32

Topological magnetism as seen by neutrons — •Roderich Moessner — MPI-PKS, Dresden, Germany

Neutron scattering has for a long time been the method of choice for understanding magnetic states of matter. The advent of topological states of matter -- such as classical or quantum spin liquids -- is posing a new challenge as these lack signatures such as Bragg peaks or spin waves. Here, we present the important role that neutrons can play in probing such new forms of magnetism, in particular their concomitant emergent gauge fields and fractionalised excitations such as spinons, monopoles or Majorana Fermions.