Abstract
We numerically study string production by evolving classical Abelian-Higgs gauge field wavepackets. Initial conditions are constructed for the propagation of a single wavepacket and for the collision of two wavepackets. We identify regions of parameter space that lead to prompt production of strings from a single wavepacket. The collision of two sub-critical wavepackets can also lead to the production of strings in certain regions of parameter space.
Highlights
Topological defects such as kinks, strings, and magnetic monopoles are classical solutions in a wide range of field theories
We found that energy is condensed into strings even from a single wave packet, i.e., without scattering two gauge wave packets
We have explored the formation of U(1) gauge strings due to wave packets of gauge fields in two settings: (i) the prompt formation of strings from gauge fields, and (ii) the formation of strings when gauge wave packets collide
Summary
Topological defects such as kinks, strings, and magnetic monopoles are classical solutions in a wide range of field theories. We will restrict our attention to this situation and ask what classical initial conditions lead to the production of solitons in the final stage. Only closed loops of string can be created. These oscillate, radiate, collapse, and survive only for a finite amount of time.
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