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majorana zero modes 1renormalization group 1scanning tunneling microscopy 1topological superconductivity 1vortex states 1

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1 paper

cond-mat.mes-hall2026

Tip-Tuned Renormalization-Group Spectroscopy Unmasks a False-positive Topological Superconducting Vortex

Zhenhua Zhu, Qun Zhu, Yong-Wei Wang +6

The authors use tip‑tuned scanning tunneling microscopy to induce a boundary renormalization‑group flow that turns a zero‑bias peak in a SrSn₃ vortex into a dip, demonstrating that…