Friction domination with superconducting strings

Dimopoulos, Konstantinos and Davis, Anne-Christine (1998) Friction domination with superconducting strings. Physical Review D, 57 (2). pp. 692-701. ISSN 1550-7998

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Abstract

We investigate the evolution of a superconducting string network with arbitrary, constant string current in the friction dominated regime. In the absence of an external magnetic field the network always reaches a scaling solution. However, for string current stronger than a critical value, it is different than the usual horizon scaling of the nonsuperconducting string case. In this case the friction domination era never ends. Whilst the superconducting string network can be much denser than usually assumed, it can never dominate the universe energy density. It can, however, influence the cosmic microwave background radiation and the formation of large scale structure. When embedded in a primordial magnetic field of sufficient strength, the network never reaches scaling and, thus, eventually dominates the universe evolution.

Item Type:
Journal Article
Journal or Publication Title:
Physical Review D
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/qc
Subjects:
?? qc physics ??
ID Code:
22973
Deposited On:
19 Jan 2009 14:52
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Jul 2024 10:15