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Logical Operations with a Dynamical Qubit in Floquet-Bacon-Shor Code

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Experimental realization of a 3×3 Floquet-Bacon-Shor code on a superconducting processor, including repeated error detection, logical gates on a dynamical logical qubit, and entanglement between static and dynamical logical qubits.

Key Results

  • Realizes a Floquet-Bacon-Shor code with one static and one dynamical logical qubit
  • Demonstrates fault-tolerant encoding and measurement of logical two-qubit states
  • Demonstrates universal single-qubit logical gates on the dynamical qubit
  • Reports an error-detected logical Bell-state fidelity of 75.9%

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