M. Halder

TL;DR: In this article, Hall effect measurements were used to establish quantitatively the predicted emergent electrodynamics of skyrmions in chiral magnets and their depinning from impurities and their subsequent motion.

TL;DR: It is observed that the lifetime τ of the skyrmions depends exponentially on temperature, τ~τ0 exp(ΔEkBT), and the prefactor τ0 of this Arrhenius law changes by more than 30 orders of magnitude for small changes of the magnetic field, reflecting a substantial reduction of the lifetime of skyrnions by entropic effects and, thus, an extreme case of enthalpy-entropy compensation.

TL;DR: In this article, a new skyrmion phase was identified in the chiral magnetic material Cu2OSeO3 at low temperature and in the presence of an applied magnetic field.

TL;DR: In this article, the authors report detailed low-temperature magnetotransport and magnetization measurements in MnSi under pressures up to ∼12kbar and link the emergence of a giant topological Hall resistivity ∼50nΩcm to the skyrmion lattice phase at ambient pressure.

TL;DR: A high-pressure study of the metallic state at the border of the skyrmion lattice in MnSi, which represents a new form of magnetic order composed of topologically non-trivial vortices, and suggests empirically that spin correlations with non-Trivial topological character may drive a breakdown of Fermi liquid theory in pure metals.