Dynamically Generated Logical Qubits
1Station Q, Microsoft Quantum, Santa Barbara, CA 93106-6105, USA
2Microsoft Quantum and Microsoft Research, Redmond, WA 98052, USA
Published: | 2021-10-19, volume 5, page 564 |
Eprint: | arXiv:2107.02194v2 |
Doi: | https://doi.org/10.22331/q-2021-10-19-564 |
Citation: | Quantum 5, 564 (2021). |
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Abstract
We present a quantum error correcting code with $\textit{dynamically generated logical qubits}$. 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.
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