Quantum Magnetism and Topological Superconductivity in Yu-Shiba-Rusinov Chains
Jacob F. Steiner, Christophe Mora, Katharina J. Franke, Felix von Oppen
DOI 10.1103/PhysRevLett.128.036801 · Physical Review Letters
Active bibliographic source — not scientific approval
Bibliographic access preserves source history; it does not approve extracted materials or validate reported claims. Review warnings on each occurrence separately.
Abstract
Chains of magnetic adatoms on superconductors have been discussed as promising systems for realizing Majorana end states. Here, we show that dilute Yu-Shiba-Rusinov (YSR) chains are also a versatile platform for quantum magnetism and correlated electron dynamics, with widely adjustable spin values and couplings. Focusing on subgap excitations, we derive an extended t−J model for dilute quantum YSR chains and use it to study the phase diagram as well as tunneling spectra. We explore the implications of quantum magnetism for the formation of a topological superconducting phase, contrasting it to existing models assuming classical spin textures.
Similar papers
Topological superconductivity in a multichannel Yu-Shiba-Rusinov chain
similarity 0.96Junhua Zhang et al.
Source status unknown — claims are unverified
Self-organized topological superconductivity in a Yu-Shiba-Rusinov chain
similarity 0.95Michael Schecter et al.
Source status unknown — claims are unverified
Engineering the spin couplings in atomically crafted spin chains on an elemental superconductor
similarity 0.94Anand Kamlapure et al. · 2018 · arXiv:1808.04641
Source status unknown — claims are unverified
Majorana bound state localization and energy oscillations for magnetic impurity chains on conventional superconductors
similarity 0.93Andreas Theiler et al.
Source status unknown — claims are unverified
Emergence and Manipulation of non-equilibrium Yu-Shiba-Rusinov states
similarity 0.92Jasmin Bedow et al. · 2021 · arXiv:2112.07733
Source status unknown — claims are unverified
Topological superconductivity in ferromagnetic atom chains beyond the deep-impurity regime
similarity 0.92Kim Pöyhönen et al. · 2015 · arXiv:1509.05223
Source status unknown — claims are unverified