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Quantum Tricritical Points in NbFe
Sven Friedemann, Will J Duncan, Max Hirschberger +6
Quantum critical points (QCPs) emerge when a 2nd order phase transition is suppressed to zero temperature. In metals the quantum fluctuations at such a QCP can give rise to new pha…
Reciprocal space mapping of magnetic order in thick epitaxial MnSi films
B. Wiedemann, A. Chacon, S. L. Zhang +9
We report grazing incidence small angle neutron scattering (GISANS) and complementary off-specular neutron reflectometry (OSR) of the magnetic order in a single-crystalline epitaxi…
Field dependence of non-reciprocal magnons in chiral MnSi
Tobias Weber, Johannes Waizner, Gregory Tucker +6
Spin waves in chiral magnetic materials are strongly influenced by the Dzyaloshinskii-Moriya interaction resulting in intriguing phenomena like non-reciprocal magnon propagation an…
Entropy-limited topological protection of skyrmions
J. Wild, T. N. G. Meier, S. Pöllath +11
Magnetic skyrmions are topologically protected whirls that decay through singular magnetic configurations known as Bloch points. We have used Lorentz transmission electron microsco…
Linearly polarized GHz magnetization dynamics of spin helix modes in the ferrimagnetic insulator CuOSeO
I. Stasinopoulos, S. Weichselbaumer, A. Bauer +5
Linear dichroism -- the polarization dependent absorption of electromagnetic waves -- is routinely exploited in applications as diverse as structure determination of DNA or polariz…