Gravitational particle production in the formation of cosmic strings

Details Gravitational particle production in the formation of cosmic strings Gravitational particle production in the formation of cosmic strings

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phrvl..59.1369p&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 59, Sept. 21, 1987, p. 1369-1372.

Physics

39

Grand Unified Theory, Gravitational Fields, Metric Space, Particle Production, String Theory, Cosmology, Space-Time Functions, Particle-Theory And Field-Theory Models Of The Early Universe

Scientific paper

The formation of cosmic strings causes a change in the metric of space-time. This change in the gravitational field creates particles, including photons, neutrinos, and gravitons. An estimate is made of the power and total energy output per unit length of string formed. For a grand-unification-scale string, the total energy output is about 10 to the 30th ergs/cm, with a power output during the time of formation of about 10 to the 68th erg/s cm.

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