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Cheshire $\theta$ terms, Aharonov-Bohm effects, and axions

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arxiv 2410.23355 v2 pith:DGYIKIVN submitted 2024-10-30 hep-th hep-ph

classification hep-thhep-ph
keywords thetaaharonov-bohmcheshireeffectstermsappeararoundaxion
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We discuss unusual $\theta$ terms that can appear in field theories that allow global vortices. These `Cheshire $\theta$ terms' induce Aharonov-Bohm effects for some particles that move around vortices. For example, a Cheshire $\theta$ term can appear in QCD coupled to an axion and induces Aharonov-Bohm effects for baryons and leptons moving around axion strings.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Generalized Families of QFTs

    hep-th 2026-02 unverdicted novelty 7.0 of 10

    Generalized family anomalies for broken higher-group and non-invertible symmetries constrain RG flows and IR phases of QFT families, with explicit application to deformed 4d QCD.

  2. Symmetry theta angles and topological Witten effects

    hep-th 2025-06 conditional novelty 7.0 of 10

    Symmetry theta angles are intrinsic, Lagrangian-independent parameters of any non-anomalous Abelian invertible symmetry, and their universal effect is a topological Witten effect that shuffles twisted sectors while pr...

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