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arXiv · 2302.11762

Quantum dephasing of kagome superconductivity

Jia-Xin Yin
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Abstract

Recent observations for a pressurized kagome superconductor through transport, muon spin relaxation, nuclear magnetic resonance, and point contact spectroscopy demonstrate striking fluctuating superconductivity at a magic pressure. This discovery may hint at a new quantum dephasing mechanism, which can be discussed from the perspectives of correlation and topology. Three outstanding questions should be considered in decoding this mechanism: one is the intrinsic phase fragile nature of kagome superconductivity; second is the role of Coulomb interactions within different charge-ordered phases; third is the geometrical phase compatibility between superconductivity and different charge orders.

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Jia-Xin Yin. 2023-02-23. Quantum dephasing of kagome superconductivity. https://doi.org/10.1016/j.scib.2023.02.035

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