0-$\pi$ qubit in one Josephson junction

@inproceedings{Guo20210piQI,
  title={0-\$\pi\$ qubit in one Josephson junction},
  author={Guo-Liang Guo and Han-Bing Leng and Yong-lu Hu and Xin Liu},
  year={2021}
}
Quantum states are usually fragile which makes quantum computation being not as stable as classical computation. Quantum correction codes can protect quantum states but need a large number of physical qubits to code a single logic qubit. Alternatively, the protection at the hardware level has been recently developed to maintain the coherence of the quantum information by using symmetries. However, it generally has to pay the expense of increasing the complexity of the quantum devices. In this… 

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