Superlattice platform for chiral superconductivity with tunable and high Chern numbers

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Abstract

Finding concrete realizations for topologically nontrivial chiral superconductivity has been a long-standing goal in quantum matter research. Here, we propose a route to a systematic realization of chiral superconductivity with nonzero Chern numbers. This goal can be achieved in a nanomagnet lattice deposited on top of a spin-orbit coupled two-dimensional electron gas (2DEG) with proximity s-wave superconductivity. The proposed structure can be regarded as a universal platform for chiral superconductivity supporting a large variety of topological phases. The topological state of the system can be electrically controlled by, for example, tuning the density of the 2DEG.

Details

Original languageEnglish
Article number174521
Pages (from-to)1-5
JournalPhysical Review B
Volume96
Issue number17
Publication statusPublished - 27 Nov 2017
MoE publication typeA1 Journal article-refereed

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