Quantum Computing, Fault Tolerance, Error Correction, Logical Qubits.
https://arxiv.org/abs/1609.07497 2017/2018 — Correcting coherent errors with surface codes — Bravyi, Englbrecht, Koenig, and Peard https://arxiv.org/abs/1710.02270, https://www.nature.com/articles/s41534-018-0106-y 2019 — Topological and subsystem codes on low-degree graphs with flag qubits —