Regelmäßige Veranstaltungen
Titel Referent Datum Ort

Garst, Mirlin, Rockstuhl, Schmalian, Shnirman

Montag, 14.00-15.30 Uhr

10-01

Garst, Rockstuhl

Dienstag, 13.00-14.00 Uhr

10-01

Campus Nord, Geb. 425

Freitag, 15.45-17.15 Uhr

Lehmann HS

Bimerons and Antibimerons in Magnetic Topological Materials

Seminar über Theoretische Festkörperphysik

Vortragender:

Oleg Tretiakov

Datum:

04.08.2025 14:00

Ort:

10.01, Geb. 30.23, CS

Zugehörigkeit:

University of New South Wales

Gastgeber:

Markus Garst

Abstract

I will discuss topological magnetic textures, such as skyrmions, merons, and (anti)bimerons, which constitute tiny chiral whirls in the magnetic order. They are promising candidates as information carriers for next generation electronics, as they can be efficiently propelled at very high velocities employing current-induced spin torques. First, I will talk about bimerons and antibimerons in ferromagnetic systems coupled to heavy metals and topological materials. Then I will show that antiferromagnets can also host a variety of these spin textures, which have gained significant attention because of their potential for terahertz dynamics, deflection free motion, and improved size scaling due to the absence of stray fields. Finally, I will demonstrate that topological spin textures, merons and bimerons, can be generated on domain walls at room temperature and reversibly moved using electrical pulses in antiferromagnets and ferromagnets.