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Collisions of cosmic strings with chiral currents

I. Yu. Rybak, A. Avgoustidis, C. J. A. P. Martins

Abstract
We present an analytic study of cosmic superconducting chiral string collisions in Minkowski space, applying the kinematic constraints that arise from the relevant generalization of the Nambu-Goto action. In particular, we revisit the solution for chiral superconducting cosmic strings and demonstrate that Y junction production for such strings is possible. We consider the collision of chiral current-carrying straight strings and obtain the region in "angle-velocity" space that allows the production of string junctions. This study contributes to the understanding of the complex evolution of chiral superconducting string networks.

Keywords
General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Theory (hep-th)

Physical Review D
Volume 98, Issue 6, Page 9
2018 September

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Instituto de Astrofísica e Ciências do Espaço Universidade do Porto Faculdade de Ciências da Universidade de Lisboa
Fundação para a Ciência e a Tecnologia COMPETE 2020 PORTUGAL 2020 União Europeia