Axion string constraints.

@article{Battye1994AxionSC,
  title={Axion string constraints.},
  author={Battye and Shellard},
  journal={Physical review letters},
  year={1994},
  volume={73 22},
  pages={2954-2957}
}
We study the production of cosmological axions in the standard scenario in which a global string network forms at the Peccei-Quinn phase transition. We make detailed calculations of the axions produced by string loops, comparing these with estimates of other contributions from long strings and domain walls. We delineate key uncertainties in string network evolution, the chief of which is the magnitude of radiative backreaction. We conclude that axions produced by these topological contributions… CONTINUE READING

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Liege International Astrophysical Colloquium, The Origin and Early History of the Universe

  • E.P.S. Shellard
  • PhD Thesis,
  • 1993
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