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We present an analytic model specifically designed to address the longstanding issue of small scale structure on cosmic string networks. The model isderived from the microscopic string equations, together with a few motivatedassumptions. The resulting form of the correlation between two points on astring is exploited to study smoothing by gravitational radiation, loopformation and lensing by cosmic strings. In addition, the properties of thesmall loop population and the possibility of detecting gravitational wavesgenerated by their lowest harmonics are investigated. Whenever possible, wecompare the predictions of the model to the most recent numerical simulationsof cosmic string networks.

Analytic Approaches to the Study of Small Scale Structure on Cosmic String Networks