Textured Edges in Quantum Hall Systems
classification
❄️ cond-mat
keywords
edgesspintextureshallpolarizedquantumsystemsaway
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We have investigated the formation of spin textures at the edges of quantum Hall systems for several ferromagnetic filling factors. The textures are driven by the same physics that leads to ``skyrmions'' in the bulk. For hard confinement and large Zeeman energies, the edges are narrow and spin polarized. Away from this limit and for $\nu=1/3$, $1/5$ and $1$, we find that they widen by developing spin textures. In contrast, for $\nu=3$, the edge remains spin polarized, even as it reconstructs. We comment on the mode structure of the reconstructed edges and on possible experimental signatures.
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