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Effect of high harmonic loops on gravitational wave bounds from cosmic strings (2021)
Journal Article
Pazouli, D., Palapanidis, K., Avgoustidis, A., & Copeland, E. J. (2021). Effect of high harmonic loops on gravitational wave bounds from cosmic strings. Physical Review D, 104(12), Article 123505. https://doi.org/10.1103/PhysRevD.104.123505

Based on a binary tree model for the self-intersection of cosmic string loops containing high harmonics we estimate the number of self-intersections of the parent and daughter loops and the associated cusp production to determine the most likely numb... Read More about Effect of high harmonic loops on gravitational wave bounds from cosmic strings.

Deconstructing higher order clockwork gravity (2021)
Journal Article
Avgoustidis, A., Niedermann, F., Padilla, A., & Saffin, P. M. (2021). Deconstructing higher order clockwork gravity. Physical Review D, 103(12), Article 124007. https://doi.org/10.1103/physrevd.103.124007

We consider the higher order clockwork theory of gravitational interactions, whereby a number of gravitons are coupled together with TeV strength, but nevertheless generate a Planck scale coupling to matter without the need for a dilaton. It is shown... Read More about Deconstructing higher order clockwork gravity.