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Chin. Phys. B, 2026, Vol. 35(6): 067403    DOI: 10.1088/1674-1056/ae4c6e
SPECIAL TOPIC — Two-dimensional superconductivity Prev   Next  

Emergent topological superconductivity in skyrmion magnet/d-wave superconductor heterostructures

Zhi-Jian Li(李志坚) and Qiang Han(韩强)
Department of Physics, Renmin University of China, Beijing 100872, China
Abstract  The interplay of superconductivity with non-trivial magnetic textures is a promising route toward the engineering of topological superconductivity and Majorana quasiparticles. In this paper, we demonstrate the realization of topological superconductivity in a d-wave superconductor coupled to a skyrmion lattice. Transitions between different topological phases can be induced by tuning the chemical potential and the magnetic exchange coupling. For intermediate-coupling strength, we unveil the formation of Chern bands of conduction electrons coupled to the magnetic skyrmions and present the emergence of an effective chiral p-wave pairing induced in the non-trivial Chern band. Majorana zero modes localized at the cores of the superconducting vortex lattice are revealed for topological superconducting phases with odd superconducting Chern numbers.
Keywords:  topological superconductivity      skyrmion lattice      Majorana zero modes  
Received:  05 January 2026      Revised:  14 February 2026      Accepted manuscript online:  03 March 2026
PACS:  74.45.+c (Proximity effects; Andreev reflection; SN and SNS junctions)  
  75.70.Kw (Domain structure (including magnetic bubbles and vortices))  
  74.20.Rp (Pairing symmetries (other than s-wave))  
Fund: This work was supported by the National Natural Science Foundation of China (Grants Nos. 12474151, 92565103, and 12547101). D.-H.X. also acknowledges the Beijing National Laboratory for Condensed Matter Physics (Grant No. 2024BNLCMPKF025) and the Fundamental Research Funds for the Central Universities (Grant No. 2025CDJ-IAISYB-032).
Corresponding Authors:  Qiang Han     E-mail:  hanqiang@ruc.edu.cn

Cite this article: 

Zhi-Jian Li(李志坚) and Qiang Han(韩强) Emergent topological superconductivity in skyrmion magnet/d-wave superconductor heterostructures 2026 Chin. Phys. B 35 067403

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