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Cusps and pseudocusps in strings with Y-junctions
2014
Physical Review D
We study the occurrence of cuspy events on a light string stretched between two Y-junctions with fixed heavy strings. We first present an analytic study and give a solid criterion to discriminate between cuspy and non-cuspy string configurations. We then describe a numerical code, built to test this analysis. Our numerical investigation allows us to look at the correlations between string network's parameters and the occurrence of cuspy phenomena. We show that the presence of large amplitude
doi:10.1103/physrevd.90.123517
fatcat:emvnndflgnhqlof32hmn6nhhie