The fermion spectrum in braneworld collisions

Saffin, Paul M. and Tranberg, Anders (2007) The fermion spectrum in braneworld collisions. Journal of High Energy Physics, 2007 (12). 053. ISSN 1029-8479

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In braneworld collisions fermions originally localised on one brane can be transferred to another brane, or to a space-time boundary. By modelling branes as scalar field kinks we bounce them off boundaries and study resulting effects according to a braneworld observer. Extending on our previous work, we numerically compute the spectrum of excitations of fermion modes localised on the brane and boundary, in terms of the momentum k along the brane dimensions. We find that the spectrum depends strongly on collision velocity and fermion-scalar coupling. Also, high-momentum modes tend to ``fall off'' the kinks and become delocalised radiation.

Item Type: Article
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Physics and Astronomy
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Depositing User: Saffin, Dr Paul
Date Deposited: 21 Apr 2017 10:28
Last Modified: 13 Oct 2017 01:02

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