Higher-Dimensional Anyons via Higher Cohomotopy

• URL: http://arxiv.org/abs/2601.03150v1
• Date: Tue, 06 Jan 2026 16:20:17 GMT
• Title: Higher-Dimensional Anyons via Higher Cohomotopy
• Authors: Sadok Kallel, Hisham Sati, Urs Schreiber,
• Abstract summary: We show that integer Heisenberg groups at level 2 underlie topological quantum phenomena.<n>We identify this level with 2 divided by the Hopf invariant of the generator of $_4k-1(S2k)$.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We highlight that integer Heisenberg groups at level 2 underlie topological quantum phenomena: their group algebras coincide with the algebras of quantum observables of abelian anyons in fractional quantum Hall (FQH) systems on closed surfaces. Decades ago, these groups were shown to arise as the fundamental groups of the space of maps from the surface to the 2-sphere -- which has recently been understood as reflecting an effective FQH flux quantization in 2-Cohomotopy. Here we streamline and generalize this theorem using the homotopy theory of H-groups, showing that for $k \in \{1,2,4\}$, the non-torsion part of $π_1 \mathrm{Map}\big({(S^{2k-1})^2, S^{2k}}\big)$ is an integer Heisenberg group of level 2, where we identify this level with 2 divided by the Hopf invariant of the generator of $π_{4k-1}(S^{2k})$. This result implies the existence of higher-dimensional analogs of FQH anyons in the cohomotopical completion of 11D supergravity ("Hypothesis H").

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