Majorana zero modes in nanowires with combined triangular and hexagonal geometry (vol 31, 354001, 2020)
NANOTECHNOLOGY(2021)
摘要
The effects of geometry on the hosting of Majorana zero modes are explored in core-shell nanowires with a hexagonal core and a triangular shell, and vice versa. The energy interval separating electronic states localized in the corners from states localized on the sides of the shell is shown to be larger for a triangular nanowire with a hexagonal core, than a triangular one. We build the topological phase diagram for both cases and compare them to earlier work on prismatic nanowires with matching core and shell geometry. We suggest that a dual core nanowire is needed to allow for braiding operations of Majorana zero modes at the nanowire end plane.
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关键词
Majorana,core-shell,nanowires,geometry,topological phase diagram,zero modes
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