Effect of extra dimensions on gravitational waves from cosmic strings
Eimear O'Callaghan, Sarah Chadburn, Ghazal Geshnizjani, Ruth Gregory, and Ivonne Zavala
TL;DR
This paper investigates how extra dimensions influence gravitational wave emissions from cosmic strings, revealing that they diminish wave strength and cusp formation probability, which impacts detection prospects.
Contribution
It introduces a new analysis incorporating extra dimensions' effects on cosmic string gravitational wave signals, highlighting their damping influence.
Findings
Extra dimensions reduce gravitational wave amplitude from cosmic strings.
Extra dimensions decrease the likelihood of cusp formation.
Significant damping of gravitational waves depends on the number of extra dimensions.
Abstract
We show how taking into account the kinematical effect of extra dimensions can have a significant impact on the gravity wave emission from cosmic strings. Additional dimensions both round off cusps, as well as reduce the probability of their formation. We recompute the cusp gravity wave burst with these factors and find a significant dimension dependent damping of the gravity waves.
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