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Global cosmic string networks as a function of tension

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arxiv 1912.08058 v2 pith:I7CTE5PU submitted 2019-12-17 hep-ph hep-lat

classification hep-phhep-lat
keywords stringfunctioncosmicglobalmodelsnetworksratioresults
verification ladder T0 review T1 audit T2 compute T3 formal
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We investigate the properties of global cosmic string networks as a function of the ratio of string tension to Goldstone-field coupling, and as a function of the Hubble damping strength. Our results show unambiguously that the string density is sensitive to this ratio. We also find that existing semi-analytical (one-scale) models must be missing some important aspect of the network dynamics. Our results point the way towards improving such models.

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Cited by 3 Pith papers

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

  1. Spectrum of radiation from global strings and the relic axion density

    hep-ph 2026-01 conditional novelty 7.0 of 10

    A wiggling global string's axion spectrum is exponential (P_n ∝ e^{-rn}, r≈2.5–2.9) after self-field removal, implying network-simulation hard spectra may be contaminated and a heavier axion dark matter candidate.

  2. Speech Codec Probing from Semantic and Phonetic Perspectives

    eess.AS 2026-03 unverdicted novelty 4.0 of 10

    Probing shows current speech codecs capture phonetic more than lexical-semantic content, implying redesign is needed for speech–LLM systems.

  3. 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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