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Probing and dressing magnetic impurities in a superconductor

Probing and dressing magnetic impurities in a superconductor

The authors propose a method to probe and control the interactions within an ensemble of magnetic impurities in a superconductor via microwave radiation. The method relies upon the presence of sub-gap Yu-Shiba-Rusinov (YSR) states and can be implemented in a system of magnetic impurities embedded in a narrow superconducting bridge …