Berlin 2018 – scientific programme

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MA: Fachverband Magnetismus

MA 30: Focus Session: Topological Defects in Superconductors and Magnets (joint session TT/MA)

Wednesday, March 14, 2018, 15:00–17:45, H 0104

Vortices in superconductors and skyrmions in magnets are two examples of topological objects that can form a lattice and have particle-like properties. Their orientation and symmetry is determined by the magnetic field and the interaction within the material. The scientific and methodological approaches are similar*both can be studied using transport and magnetization and both can be observed using neutron scattering and scanning microscopies. Nanofabrication, often with the help of hybrid structures, allows controlling and manipulating them. The latter is believed to play a key role in applications involving current carrying and magnetic memory devices. The aim of the colloquium is to present most recent advances with a particular focus on the cross-fertilization of research on topological defects in superconductivity and magnetism.

Organization: Sebastian Mühlbauer, TU München; Hermann Suderow, Universidad Autonoma de Madrid; Javier Villegas, Thales, Paris; Markus Garst, TU Dresden

	15:00	MA 30.1	Invited Talk: Stability and Emergent Electrodynamics of Skyrmions — •Christian Pfleiderer
	15:30	MA 30.2	Invited Talk: Optical Manipulation of Single Flux Quanta — •Philippe Tamarat
	16:00	MA 30.3	Invited Talk: Skyrmion Lattices in Random and Ordered Potential Landscapes — •Charles Reichhardt
	16:30		15 min. break.
	16:45	MA 30.4	Invited Talk: Hedgehog Spin-Vortex Crystal Magnetic Order in Superconducting CaK(Fe1−xMx)4As4 (M=Co, Ni) — •Anna Böhmer
	17:15	MA 30.5	The contribution has been withdrawn.