Dynamically Generated Logical Qubits
arXiv:2107.02194 · doi:10.22331/q-2021-10-19-564
Abstract
We present a quantum error correcting code with dynamically generated logical qubits. When viewed as a subsystem code, the code has no logical qubits. Nevertheless, our measurement patterns generate logical qubits, allowing the code to act as a fault-tolerant quantum memory. Our particular code gives a model very similar to the two-dimensional toric code, but each measurement is a two-qubit Pauli measurement.
18 pages, 7 figures; v2 final version accepted in Quantum