Regensburg 2016 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 49: Symposium on Quantum Signatures in Magnetism (SYQS)
(Joint symposium of HL, MA, O and TT organized by MA)

TT 49.2: Hauptvortrag

Mittwoch, 9. März 2016, 15:30–16:00, H1

Elementary excitations of magnetic insulators and its heterostructures with metals — •Gerrit Bauer — Institute for Materials Research, Tohoku University, Sendai, Japan

Magnetic insulators such as yttrium iron garnet (YIG) are prime candidates for the search of quantum signatures in magnetism due to their superiors magnetic quality. Metal contacts to magnetic insulators are a possible route to observe them electrically.

In this talk I will review the knowledge about the elementary excitations of magnetic insulators, i.e., magnons, magnon-polarons and magnon-polaritons, as well as their coupling to metal contacts. While to date most experiments can be explained by semiclassical concepts, these excitations offer a route to observe up to now elusive quantum effects.