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Vorton Formation

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arxiv hep-ph/9804378 v1 pith:FRO2URIH submitted 1998-04-23 hep-ph astro-ph

C. J. A. P. Martins , E. P. S. Shellard (DAMTP , University of Cambridge) This is my paper · ORCID
classification hep-phastro-ph
keywords modelsuperconductingvortoncriteriaequationsformationformedmotion
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In this paper we present the first analytic model for vorton formation. We start by deriving the microscopic string equations of motion in Witten's superconducting model, and show that in the relevant chiral limit these coincide with the ones obtained from the supersonic elastic models of Carter and Peter. We then numerically study a number of solutions of these equations of motion and thereby suggest criteria for deciding whether a given superconducting loop configuration can form a vorton. Finally, using a recently developed model for the evolution of currents in superconducting strings we conjecture, by comparison with these criteria, that string networks formed at the GUT phase transition should produce no vortons. On the other hand, a network formed at the electroweak scale can produce vortons accounting for up to 6% of the critical density. Some consequences of our results are discussed.

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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. Stochastic Gravitational Wave Background from Chiral Superconducting Cosmic Strings

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  2. Stability of Superconducting Strings

    hep-ph 2024-12 conditional novelty 6.0 of 10

    Lattice simulations and S-matrix calculations show superconducting string loops relax to stable vortons, with fermion escape and decay rates suppressed below previous estimates.

  3. Cosmic Topological Defects from Holography

    hep-th 2024-11 conditional novelty 6.0 of 10

    Using the Witten-Sakai-Sugimoto holographic model, the authors describe axionic cosmic string loops and domain walls as D6-brane embeddings, find a first-order transition between them, and show that large-baryon-charg...

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