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TT: Fachverband Tiefe Temperaturen

TT 34: Focus Session: Dynamical Probes for Topological Magnetism

Wednesday, March 20, 2024, 09:30–12:15, H 0104

Non-equilibrium phenomena are attracting a great deal of interest. One of the main reasons for this intense research effort is to establish the coherent control of quantum states. Magnetic systems constitute promising platforms in this respect because they display quantum properties already in the groundstate. Moreover, several manifestation of coherent spin dynamics in a wide variety of materials and in different regimes (linear, nonlinear, transport, THz frequencies) have been reported. Topological protection of their quantum states adds to the advantageous properties. In view of these aspects, the proposed focus session is intended to present experimental and theoretical advances ranging from ab initio calculations over model simulations to experiments demonstrating the generation, control and detection of spin dynamics.
Organizers: Davide Bossini (University of Konstanz), Götz Uhrig (TU Dortmund University)

	09:30	TT 34.1	Invited Talk: A phononic route to ultrafast control of magnetic order — •Andrei Kirilyuk
	10:00	TT 34.2	Invited Talk: Spectroscopic signatures of spin dynamics in spin-orbit-coupled magnets: resolving quantum spin liquids versus magnetically ordered phases — •Roser Valenti
	10:30	TT 34.3	Invited Talk: Probing spin dynamics by Hall effect and emergent inductance — •Max Hirschberger, Jan Masell, and Rinsuke Yamada
	11:00		15 min. break
	11:15	TT 34.4	Invited Talk: Dissipative Spin-wave Diode and Nonreciprocal Magnonic Amplifier — •Jelena Klinovaja, Ji Zou, Stefano Bosco, Even Thingstad, and Daniel Loss
	11:45	TT 34.5	Invited Talk: Floquet magnons in a periodically-driven magnetic soliton — •Helmut Schultheiss