SKM 2021 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 16: PhD Focus Session: Symposium on Strange Bedfellows - Magnetism Meets Superconductivity" (joint session MA/AKjDPG) (joint session MA/TT)

Donnerstag, 30. September 2021, 10:00–12:45, H5

At first sight, it seems that the phenomena of magnetism and superconductivity do not go along, as indicated by the Meissner effect, when a magnetic field is completely expelled from the interior of a conventional superconductor. However, the synergy of these two manifestations of nature in condensed matter does occur and can be rather interesting! Theoretical works have predicted the existence of exotic states at the interface between a superconductor and a magnet, such as the sought-after Majorana fermions and spin-triplet superconductivity. The first have been predicted to route an efficient way to implement quantum computers (currently a European scientific flagship), while the latter allows the creation of spin-polarized supercurrents, opening up fundamentally new possibilities for spintronics. Therefore, our symposium aims at putting together experts to provide a fundamental and practical understanding of the subject to discuss most recent developments from the theoretical and experimental sides, and to show perspectives for applications.

Organizers: Annika Stellhorn, Flaviano José dos Santos, Markus Hoffmann (Forschungszentrum Jülich and Peter Grünberg Institut)

	10:00	TT 16.1	Hauptvortrag: Magnetism and superconductivity: new physics one atom at a time — •Alexander Balatsky
	10:30	TT 16.2	Magnetic exchange interactions at proximity of a superconductor — •Uriel Aceves, Sascha Brinker, Filipe Guimaraes, and Samir Lounis
	10:45	TT 16.3	Hauptvortrag: Magnetic adatom chains on superconducting NbSe2 — Eva Liebhaber, Lisa M. Rütten, Gael Reecht, Jacob F. Steiner, Sebastian Rohlf, Kai Rossnagel, Felix von Oppen, and •Katharina J. Franke
	11:15	TT 16.4	Tuning the interaction between spins coupled to a superconductor on the atomic level — •Felix Küster, Ana M. Montero, Filipe S. M. Guimarães, Sascha Brinker, Samir Lounis, Stuart S. P. Parkin, and Paolo Sessi
	11:30	TT 16.5	Hauptvortrag: Yu-Shiba-Rusinov states and ordering of magnetic Impurities near the boundary — •Jelena Klinovaja
	12:00	TT 16.6	Temperature-Dependent Spin Transport and Current- Induced Torques in Superconductor-Ferromagnet Heterostructures — •Manuel Müller, Lukas Liensberger, Luis Flacke, Hans Huebl, Akashdeep Kamra, Wolfgang Belzig, Rudolf Gross, Mathias Weiler, and Matthias Althammer
	12:15	TT 16.7	Hauptvortrag: Resonance from antiferromagnetic spin fluctuations for spin-triplet superconductivity in UTe2 — •Pengcheng Dai