MG13 - Talk detail

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Abstract

Future gravitational wave experiments can be a powerful tool to search for signatures of cosmic strings. If gravitational waves from cosmic strings are detected in future experiments, not only their existence can be confirmed but also their properties might be probed. We study the determination of cosmic string parameters through direct detection of gravitational wave signatures in future ground-based gravitational wave experiments. The key point of our work is that two types of gravitational waves, bursts and the stochastic gravitational wave background, provide us with different information about cosmic string properties. Performing the Fisher matrix calculation on the cosmic string parameters, such as parameters governing the string tension and initial loop size and the reconnection probability, we find that the two different types of gravitational wave can break degeneracies in some of these parameters and provide better constraints than those from each measurement.

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