Cosmological cosmic strings

Details Cosmological cosmic strings Cosmological cosmic strings

Nov 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ccs..book.....g&link_type=abstract

Unknown

Mathematics

Logic

Cosmology, Gravitation Theory, String Theory, Background Radiation, Conical Bodies, Cylindrical Bodies, Damping, Metric Space, Quadrupoles

Scientific paper

The effect of an infinite cosmic string on a cosmological background is investigated. It is found that the metric is approximately a scaled version of the empty space string metric, i.e., conical in nature. Results are used to place bounds on the amount of cylindrical gravitational radiation currently emitted by such a string. The gravitational radiation equations are then analyzed explicitly and it is shown that even initially large disturbances are rapidly damped as the expansion proceeds. The implications of the gravitational radiation background and the limitations of the quadrupole formula are discussed.

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