Quantum Information Protection Scheme Based on Reinforcement Learning for Periodic Surface Codes

Figure 1

(a) The data qubit corresponds to the vertex of the lattice. (b) Qubits form two types of lattice operators: X and Z. (c) The four data quantum bits surrounding the X(Z) ancilla qubits form an X(Z) stabilizer. (d) Ancilla qubits the CNOT gate execution method.

(a)

(b)

(c)

(d)