Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-11-24
Physics
High Energy Physics
High Energy Physics - Phenomenology
18 pages, 2 figures
Scientific paper
We study the scattering of noncommutative vortices, based on the noncommutative field theory developed in [Phys. Rev. D 75, 045009 (2007)], as a way to understand the interaction of cosmic strings. In the center-of-mass frame, the effects of noncommutativity vanish, and therefore the reconnection of cosmic strings occurs in an identical manner to the commutative case. However, when scattering occurs in a frame other than the center-of-mass frame, strings still reconnect but the well known 90-degree scattering no longer need correspond to the head on collision of the strings, due to the breakdown of Lorentz invariance in the underlying noncommutative field theory.
Joseph Anosh
Trodden Mark
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