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5 papers · 2 filters
Longitudinal magnetoconductivity and magnetodielectric effect in bilayer graphene
U. Zülicke, R Winkler
It was recently shown that a finite imbalance between electron densities in the and valleys of bilayer graphene induces a magnetoelectric coupling. Here…
Rewritable Artificial Magnetic Charge Ice
Yong-Lei Wang, Zhi-Li Xiao, Alexey Snezhko +6
Artificial ices enable the study of geometrical frustration by design and through direct observation. However, it has proven difficult to achieve tailored long-range ordering of th…
Spin-orbit interactions in inversion-asymmetric 2D hole systems: a variational analysis
E. Marcellina, A. R. Hamilton, R. Winkler +1
We present an in-depth study of the spin-orbit (SO) interactions occurring in inversion-asymmetric two-dimensional hole gases at semiconductor heterointerfaces. We focus on common…
Effective Hamiltonian for protected edge states in graphene
H. Deshpande, R. Winkler
Edge states in topological insulators (TIs) disperse symmetrically about one of the time-reversal invariant momenta in the Brillouin zone (BZ) with protected degeneracies at $Λ…
Mobile Néel skyrmions at room temperature: status and future
Wanjun Jiang, Wei Zhang, Guoqiang Yu +9
Magnetic skyrmions are topologically protected spin textures that exhibit many fascinating features. As compared to the well-studied cryogenic Bloch skyrmions in bulk materials, we…