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Revisiting Y junctions for strings with currents: Transonic elastic case

I. Yu. Rybak

Abstract
We studied the formation of Y junctions for transonic elastic strings. In particular, using the general solution for these strings, which is described by left- and right-moving modes, we obtained the dynamics of kinks and Y junctions. Considering the linearized ansatz for straight strings, we constructed the parameter region space for which the formation of Y junctions due to strings collisions is allowed.

Keywords
Astrophysics - Cosmology and Nongalactic Astrophysics; High Energy Physics - Theory

Physical Review D
Volume 102, Issue 8
2020 October

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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