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Scalar Fields, Hierarchical UV/IR Mixing and The Weak Gravity Conjecture

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arxiv 1709.01790 v2 pith:SLTUP5QB submitted 2017-09-06 hep-th gr-qchep-ph

Dieter Lust , Eran Palti This is my paper · ORCID
classification hep-thgr-qchep-ph
keywords fieldsmixingscalarbelowboundconjecturecut-offeffective
verification ladder T0 review T1 audit T2 compute T3 formal
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The Weak Gravity Conjecture (WGC) bounds the mass of a particle by its charge. It is expected that this bound can not be below the ultraviolet cut-off scale of the effective theory. Recently, an extension of the WGC was proposed in the presence of scalar fields. We show that this more general version can bound the mass of a particle to be arbitrarily far below the ultraviolet cut-off of the effective theory. It therefore manifests a form of hierarchical UV/IR mixing. This has possible implications for naturalness. We also present new evidence for the proposed contribution of scalar fields to the WGC by showing that it matches the results of dimensional reduction. In such a setup the UV/IR mixing is tied to the interaction between the WGC and non-local gauge operators.

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Cited by 4 Pith papers

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

  1. When Renormalisation Remembers: UV/IR Mixing as an Entanglement Bridge

    hep-th 2026-06 unverdicted novelty 8.0 of 10

    Introduces the Born-Reciprocal Tensor Network to realize UV/IR mixing as an entanglement bridge in renormalization geometry, with a large-volume limit restoring standard Wilsonian decoupling.

  2. Relative Quantum Gravity: Localized Gravity and the Swampland

    hep-th 2025-01 conditional novelty 6.0 of 10

    Localized gravity theories can violate swampland constraints, but satisfy them when defined relative to a higher-dimensional gravity completion, dubbed relative quantum gravity.

  3. Light scalars in light of UV/IR mixing: classicalization via synergy between Vainshtein and chameleon screenings

    hep-ph 2025-11 conditional novelty 5.0 of 10

    Classicalizing k-essence scalars need m << Λ* and, when potentials or fermion couplings are present, a chameleon-like screening layer to keep Vainshtein screening and classicalon stability intact.

  4. In Pursuit of New Paradigms: TASI 2024

    hep-ph 2024-12 accept novelty 1.0 of 10

    A review of theoretical paradigms, from pNGB Higgs to SUSY, that attempt to explain the smallness of the Higgs mass.

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