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Open String Axiverse

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arxiv 2503.16387 v1 pith:Z2SPXMJV submitted 2025-03-20 hep-ph hep-th

Rudin Petrossian-Byrne , Giovanni Villadoro This is my paper
classification hep-phhep-th
keywords axiversestringtheybrokenchargedcompactificationscompatibledimensions
verification ladder T0 review T1 audit T2 compute T3 formal
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Localized charged fields are a general feature of many realistic string compactifications. In four dimensions they can lead to a multitude of perturbatively-exact global symmetries. If spontaneously broken, they generate a new axiverse compatible with post-inflationary evolutions.

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Cited by 9 Pith papers

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

  1. Extra-dimensional Origins of Chemical Potentials at the Cosmological Collider

    hep-ph 2026-07 conditional novelty 7.0 of 10

    A rolling 5D gauge-field inflaton acts as an extra-dimensional electric field, creating charged and neutral KK particles far heavier than H and yielding observable oscillatory signatures.

  2. Suppressing Extra-Dimensional Axion Isocurvature Dynamically

    hep-ph 2026-07 conditional novelty 6.0 of 10

    Radion dynamics in warped 5D models enhance the axion decay constant during inflation, satisfying CMB isocurvature bounds at higher Hubble scales while restoring the QCD window afterward.

  3. Axiverse Lampposts

    hep-ph 2026-02 conditional novelty 6.0 of 10

    In a hierarchical multi-axion theory with random couplings, axion field ranges shrink with 1/sqrt(N), generic axion–SM couplings are suppressed, but the QCD axion's coupling is unsuppressed.

  4. The String Theory Photoverse

    hep-th 2025-10 conditional novelty 6.0 of 10

    Massless string-theory hidden photons acquire dimension-six dipole couplings to SM fermions with suppression scale Λ = αM_s, converting dipole measurements into constraints on the string scale.

  5. Constraining the axiverse with reionization

    hep-ph 2025-07 conditional novelty 6.0 of 10

    Roughly 10 to 15 percent of explicit string theory axiverse models are disfavored by CMB reionization data unless reheating stayed below about 10^10 GeV.

  6. The Minimal High-Quality QCD Axion

    hep-ph 2026-07 conditional novelty 5.5 of 10

    A flat-interval 5D U(1) Wilson-line axion with 4D KSVZ/DFSZ anomaly sector supplies exponential quality protection while remaining minimal.

  7. Large-Scale Structure Probes of the Post-Inflationary Axiverse

    astro-ph.CO 2025-11 conditional novelty 5.0 of 10

    HST ultraviolet luminosity function data at z=4-10, combined with Lyman-α and CMB data, place leading constraints on subdominant post-inflationary axion dark matter via its white-noise isocurvature perturbations.

  8. A multi-axion model of inflation and dark matter

    hep-ph 2026-07 reject novelty 4.0 of 10

    A 300-mode Kaluza-Klein axion tower is proposed as a unified inflaton and dark-matter sector, but the lightest state's quoted lifetime contradicts the paper's own decay-rate formula.

  9. Axions at the meV Crossroads: Theory, Cosmology, Astrophysics, and Experiments

    hep-ph 2026-03 conditional novelty 2.0 of 10

    The meV axion window is presented as a coherent, cross-validated search program in which string theory, stellar cooling, dark matter, and new detector concepts converge on the same mass range.

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