Gamma-ray bursts from superconducting cosmic strings at large redshifts

Details Gamma-ray bursts from superconducting cosmic strings at large redshifts Gamma-ray bursts from superconducting cosmic strings at large redshifts

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...316l..49b&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 316, May 15, 1987, p. L49-L54.

Physics

Condensed Matter

Superconductivity

65

Cosmology, Gamma Ray Bursts, Red Shift, String Theory, Galactic Clusters, Gravitational Lenses, Superconductivity, Universe

Scientific paper

Recent developments in the theory of superconducting cosmic strings suggest that their cusps may be possible sources of very intense and highly collimated bursts of energy. A cusp at a redshift z ≈ 1000 may give rise to an intense burst of energy with a duration of a few seconds or less. The maximum amount of energy associated with such an event is limited to 107ergs cm-2 by causality. If only one part in 1011 of this energy reaches Earth as 1 MeV gamma rays, then about 100 gamma-ray bursts should be detectable every year with the existing instruments. Furthermore, microlensing of this tight beam is quite likely to produce images with dissimilar spectral and time profiles.

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