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Brickwork \(XS\) stabilizer code[1]

Description

An \(XS\) stabilizer code that realizes the topological order of the \(G=\mathbb{Z}_3^2\) TQD model [2,3], which is the same topological order as the \(G=D_4\) quantum double [4,5]. Its qubits are placed on a 2D square lattice, and the stabilizers are defined using two overlapping rectangular tilings.

Decoding

Just-in-time decoder [1].

Cousins

  • Dihedral \(G=D_m\) quantum-double code— The ground-state subspace of the brickwork \(XS\) stabilizer code realizes the topological order of the \(G=\mathbb{Z}_3^2\) TQD model [2,3], which is the same topological order as the \(G=D_4\) quantum double [4,5].
  • 3D color code— The brickwork \(XS\) stabilizer code can be obtained from a 3D color code [1].
  • Hexagonal \(CZ\) code— The brickwork \(XS\) stabilizer code and the hexagonal \(CZ\) code realize the same topological phases and are equivalent via a local unitary [1,6].

Primary Hierarchy

Parents
The brickwork \(XS\) stabilizer code is an \(XS\) stabilizer code [1].
The ground-state subspace of the brickwork \(XS\) stabilizer code realizes the topological order of the \(G=\mathbb{Z}_3^2\) TQD model [2,3], which is the same topological order as the \(G=D_4\) quantum double [4,5].
Brickwork \(XS\) stabilizer code
Children
The \([[4,2,2]]\) code can be interpreted as a brickwork code on a square of the overlapping rectangular tilings [1].

References

[1]
M. Davydova, A. Bauer, J. C. M. de la Fuente, M. Webster, D. J. Williamson, and B. J. Brown, “Universal fault tolerant quantum computation in 2D without getting tied in knots”, (2025) arXiv:2503.15751
[2]
B. Yoshida, “Topological phases with generalized global symmetries”, Physical Review B 93, (2016) arXiv:1508.03468 DOI
[3]
P.-S. Hsin, R. Kobayashi, and G. Zhu, “Non-Abelian Self-Correcting Quantum Memory”, (2024) arXiv:2405.11719
[4]
M. de W. Propitius, “Topological interactions in broken gauge theories”, (1995) arXiv:hep-th/9511195
[5]
L. Lootens, B. Vancraeynest-De Cuiper, N. Schuch, and F. Verstraete, “Mapping between Morita-equivalent string-net states with a constant depth quantum circuit”, Physical Review B 105, (2022) arXiv:2112.12757 DOI
[6]
Benjamin J. Brown, private communication, 2025
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Zoo Code ID: brickwork

Cite as:
“Brickwork \(XS\) stabilizer code”, The Error Correction Zoo (V. V. Albert & P. Faist, eds.), 2025. https://errorcorrectionzoo.org/c/brickwork
BibTeX:
@incollection{eczoo_brickwork, title={Brickwork \(XS\) stabilizer code}, booktitle={The Error Correction Zoo}, year={2025}, editor={Albert, Victor V. and Faist, Philippe}, url={https://errorcorrectionzoo.org/c/brickwork} }
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Permanent link:
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Cite as:

“Brickwork \(XS\) stabilizer code”, The Error Correction Zoo (V. V. Albert & P. Faist, eds.), 2025. https://errorcorrectionzoo.org/c/brickwork

Github: https://github.com/errorcorrectionzoo/eczoo_data/edit/main/codes/quantum/qubits/nonstabilizer/xp_stabilizer/brickwork.yml.