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.

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

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