Fast nuclear-spin entangling gates compatible with large-scale atomic arrays
arXiv:2312.06327 · doi:10.1103/PhysRevA.110.012610
Abstract
Nuclear-spin entangling gates with divalent atoms can be executed by one global laser pulse when , where is the Zeeman-splitting-dominated frequency difference for the clock-Rydberg transitions of the two nuclear-spin qubit states and is the maximal Rabi frequency. Concerning the sensitivity of Rydberg-state energy to magnetic fluctuation, the gate is compatible with large-scale atomic arrays for weaker magnetic field is suitable for ensuring uniform field in a large qubit array. The gate can have a high fidelity because the relaxation and dephasing of Rydberg states, which limit the fidelity and grow with , can be mitigated with easily attainable large .
arXiv comment7 pages, 4 figures
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