학술논문
Mechanisms for Magnetic Skyrmion Catalysis and Topological Superconductivity
Document Type
Working Paper
Author
Source
Phys. Rev. Research 5, 013125 (2023)
Subject
Language
Abstract
We propose an alternative route to stabilize magnetic skyrmion textures which does not require Dzyaloshinkii-Moriya interaction, magnetic anisotropy, or an external Zeeman field. Instead, it solely relies on the emergence of flux in the system's ground state. We discuss scenarios that lead to a nonzero flux, and identify the magnetic skyrmion ground states which become accessible in its presence. Moreover, we explore the chiral superconductors obtained for the surface states of a topological crystalline insulator when two types of magnetic skyrmion crystals coexist with a pairing gap. Our work opens perspectives for engineering topological superconductivity in a minimal fashion, and promises to unearth functional topological materials and devices which may be more compatible with electrostatic control than the currently explored skyrmion-Majorana platforms.
Comment: 24 pages, 9 figures, 2 tables. Updated abstract, acknowledgements and funding info; improved the quality of the existing figures; added a few new references and explanations. Version close to the published one
Comment: 24 pages, 9 figures, 2 tables. Updated abstract, acknowledgements and funding info; improved the quality of the existing figures; added a few new references and explanations. Version close to the published one