Author(s): Y.-L. Xu, L. Zhang, C. Zhang, Y.-K. Wu, Y.-Y. Chen, C.-X. Huang, Z.-B. Cui, R. Yao, W.-Q. Lian, J.-Y. Ma, W.-X. Guo, B.-X. Qi, P.-Y. Hou, Y.-F. Pu, Z.-C. Zhou, L. He, and L.-M. Duan
Metastable qubits with coherence time over two hours are constructed by encoding into decoherence-free subspace.
[Phys. Rev. Lett. 135, 230803] Published Thu Dec 04, 2025