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Excited cosmic strings with superconducting currents.

Hartmann, Betti and Michel, Florent and Peter, Patrick (2017) 'Excited cosmic strings with superconducting currents.', Physical review D., 96 (12). p. 123531.

Abstract

We present a detailed analysis of excited cosmic string solutions that possess superconducting currents. These currents can be excited inside the string core, and—if the condensate is large enough—can lead to the excitations of the Higgs field. Next to the case with global unbroken symmetry, we discuss also the effects of the gauging of this symmetry and show that excited condensates persist when coupled to an electromagnetic field. The space-time of such strings is also constructed by solving the Einstein equations numerically and we show how the local scalar curvature is modified by the excitation. We consider the relevance of our results on the cosmic string network evolution as well as observations of primordial gravitational waves and cosmic rays.

Item Type:Article
Full text:(VoR) Version of Record
First Live Deposit - 11 January 2018
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1103/PhysRevD.96.123531
Publisher statement:Reprinted with permission from the American Physical Society: Hartmann, Betti, Michel, Florent & Peter, Patrick (2017). Excited cosmic strings with superconducting currents. Physical Review D 96(12): 123531 © 2017 by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society.
Record Created:11 Jan 2018 15:13
Last Modified:11 Jan 2018 16:43

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