Radio broadcasts from superconducting strings

Y. Cai E. Sabancilar D.A. Steer 1 T. Vachaspati
APC - UMR 7164 - AstroParticule et Cosmologie, Institut für theoretische Physik
Abstract : Superconducting cosmic strings can give transient electromagnetic signatures that we argue are most evident at radio frequencies. We investigate the three different kinds of radio bursts from cusps, kinks, and kink-kink collisions on superconducting strings. We find that the event rate is dominated by kink bursts in a range of parameters that are of observational interest, and can be quite high (several a day at 1 Jy flux) for a canonical set of parameters. In the absence of events, the search for radio transients can place stringent constraints on superconducting cosmic strings.
Type de document :
Article dans une revue
Physical Review D, American Physical Society, 2012, 86, pp.43521. 〈10.1103/PHYSREVD.86.043521〉
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Contributeur : Danièle Steer <>
Soumis le : samedi 8 septembre 2012 - 19:27:14
Dernière modification le : mercredi 31 janvier 2018 - 12:12:08

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Y. Cai, E. Sabancilar, D.A. Steer, T. Vachaspati. Radio broadcasts from superconducting strings. Physical Review D, American Physical Society, 2012, 86, pp.43521. 〈10.1103/PHYSREVD.86.043521〉. 〈hal-00730273〉



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