Corpus ID: 235294118

A Yu-Shiba-Rusinov qubit

  title={A Yu-Shiba-Rusinov qubit},
  author={Archana Mishra and Pascal Simon and Timo Hyart and Mircea Trif},
Magnetic impurities in s-wave superconductors lead to spin-polarized Yu-Shiba-Rusinov (YSR) in-gap states. Chains of magnetic impurities offer one of the most viable routes for the realization of Majorana bound states which hold a promise for topological quantum computing. However, this ambitious goal looks distant since no quantum coherent degrees of freedom have yet been identified in these systems. To fill this gap we propose an effective two-level system, a YSR qubit, stemming from two… Expand
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