Quantum Computing, Fault Tolerance, Error Correction, Logical Qubits.
exactly why. d = 3 — excluded (skipped) “because of strong finite-size effects.” Again, unclear what that’s really all about. You can read the paper. d = 5 — the smallest practical value. Requires 25 physical (data) qubits. d = 7 — requires 49 physical (data) qubits. d = 9 — requires 81 physical