Superconducting cosmic strings and primordial nucleosynthesis

Details Superconducting cosmic strings and primordial nucleosynthesis Superconducting cosmic strings and primordial nucleosynthesis

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989phrvl..62..117m&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 62, Jan. 9, 1989, p. 117-120. Research supported by NSERC.

Physics

Condensed Matter

Superconductivity

18

Cosmology, Nuclear Fusion, String Theory, Superconductivity, Universe, Abundance, Big Bang Cosmology, Charged Particles, Comparison, Cosmic Plasma, Magnetic Fields, Space Commercialization

Scientific paper

It is shown that the presence of superconducting cosmic strings in the early universe may have dramatic consequences for primordial nucleosynthesis. Due to the enormous currents that they potentially can carry, very large magnetic fields can be produced in the vicinity of such strings. As they then move through the primordial plasma, charged particles are deflected away by the magnetic pressure surrounding the strings. It is shown that the predicted primordial abundances can differ radically from standard big-bang predictions, and may even be consistent with an Omegab = 1 universe.

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