The Classification of Pauli Stabilizer Codes: A Lattice and Continuum Treatise

• URL: http://arxiv.org/abs/2604.24847v1
• Date: Mon, 27 Apr 2026 18:00:01 GMT
• Title: The Classification of Pauli Stabilizer Codes: A Lattice and Continuum Treatise
• Abstract summary: We classify mobile Pauli stabilizer codes up to gapped interfaces and coarse-graining.<n>We compare this classification with that of framed TQFTs, theories that arise naturally in the continuum.
• Score: 8.886107487130408
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: We classify mobile Pauli stabilizer codes up to gapped interfaces and coarse-graining using the framework of algebraic $\mathrm{L}$-theory. We compare this classification with that of framed TQFTs, theories that arise naturally in the continuum, highlighting a close structural relationship between the two. Our approach is formulated in the category of perfect chain complexes equipped with quadratic functor over the Laurent polynomial ring $R = \mathbb{Z}/p[x_1^{\pm 1}, \ldots, x_n^{\pm 1}]$, within which the collection of topological operators of Pauli stabilizer codes arise naturally as objects. In particular, we establish a bulk-boundary correspondence for lattice theories: the equivalence class of a Pauli stabilizer code up to gapped interface is described by a Clifford QCA in one dimension higher. This is done using the universal target category for stabilizer codes, which is the categorical spectrum whose existence and universal properties are introduced in this work. We conclude by highlighting subtle differences between the classification of Pauli stabilizer codes and TQFTs, leading to qualitative distinctions between lattice and continuum theories.

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