The numbers come from quantum error correction and the goal to build a logical qubit (error protected qubit made of many actual qubits). In the surface code (planar version of a toric code), a single logical qubit…
The numbers come from quantum error correction and the goal to build a logical qubit (error protected qubit made of many actual qubits). In the surface code (planar version of a toric code), a single logical qubit…