Berlin 2024 – wissenschaftliches Programm

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DY: Fachverband Dynamik und Statistische Physik

DY 35: Poster: Quantum Dynamics and Many-body Systems

DY 35.5: Poster

Mittwoch, 20. März 2024, 15:00–18:00, Poster D

Aspects of the dynamics of the Kagome Heisenberg Antiferromagnet in the one magnon space — •Henrik Schlüter, Jannis Eckseler, and Jürgen Schnack — Bielefeld University. Bielefeld, Germany

We present aspects of the one-magnon dynamics of the antiferromagnetic kagome lattice as an example of flat-band-dynamics, extending the work of [1] to two dimensional systems. We illustrate how localized eigenstates also called localized magnons influence the dynamics of excitations and possibly prevent the system from thermalization.

[1] Florian Johannesmann et al. Phys. Rev. B 108, 064304

Keywords: flat-bands; kagome; frustration; localization