Table 7 The set \(\pmb{\mathcal{P}^{0}_{\mathrm{surface}}}\) of couplings between qubits of the unit cell 0 and the rest of the lattice to measure plaquette and star operators of the surface code, see Figure 9
From: Methodology for bus layout for topological quantum error correcting codes
Qubit q in unit cell 0 | Qubits to which q couples |
|---|---|
\(i_{0,1}\) | \(\alpha_{0,1}\), \(\alpha_{0,2}\), \(\alpha_{3,1}\), \(\alpha_{2,2}\) |
\(\alpha_{0,1}\) | \(i_{0,1}\), \(i_{0,2}\), \(i_{1,1}\), \(i_{2,2}\) |
\(i_{0,2}\) | \(\alpha_{0,1}\), \(\alpha_{0,2}\), \(\alpha_{1,2}\), \(\alpha_{4,1}\) |
\(\alpha_{0,2}\) | \(i_{0,1}\), \(i_{0,2}\), \(i_{4,1}\), \(i_{3,2}\) |