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Spontaneous Current Generation in Cosmic Strings
High Energy Physics - Phenomenology · Submitted 14 Dec 1993
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim It is shown that in models including the standard electroweak theory and for some particular values of the underlying parameters, electric currents can be spontaneously generated in cosmic strings, without the need of any external field (e.g., electric or magnetic) as is required in most models.
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The abstract, sentence by sentence
It is shown that in models including the standard electroweak theory and for some particular values of the underlying parameters, electric currents can be spontaneously generated in cosmic strings, without the need of any external field (e.g., electric or magnetic) as is required in most models. This mechanism is then shown to break spontaneously the Lorentz invariance along the initially Goto-Nambu string. The characteristic time needed for the current to build up is estimated and found to lowest order to depend only on the mass of the intermediate $W$ vector boson and the fine structure constant.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | It is shown that in models including the standard electroweak theory and for some particular values of the underlying parameters, electric currents can be spontaneously generated in cosmic strings, without the need of any external field (e.g., electric or magnetic) as is required in most models. | result 0.92 | 0.89 | 0.86 | asserted 0.98 |
| s1 | This mechanism is then shown to break spontaneously the Lorentz invariance along the initially Goto-Nambu string. | result 0.91 | 0.90 | 0.20 | asserted 1.00 |
| s2 | The characteristic time needed for the current to build up is estimated and found to lowest order to depend only on the mass of the intermediate $W$ vector boson and the fine structure constant. | result 1.00 | 0.94 | 0.09 | asserted 1.00 |
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The paper
Original abstract
It is shown that in models including the standard electroweak theory and for some particular values of the underlying parameters, electric currents can be spontaneously generated in cosmic strings, without the need of any external field (e.g., electric or magnetic) as is required in most models. This mechanism is then shown to break spontaneously the Lorentz invariance along the initially Goto-Nambu string. The characteristic time needed for the current to build up is estimated and found to lowest order to depend only on the mass of the intermediate $W$ vector boson and the fine structure constant.
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References
How the literature uses it
7 arXiv papers cite this in 7 sentences
Papers citing it · 3 sentences without a confident label
Cites it as background 4 papers
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Of particular interest are superconducting cosmic strings, which initially were suggested in Ref. [ref] , since they are the expected outcome of various high energy scenarios [ref] ; it was even argued that when the low-energy limit of the string-forming model contains the standard SU(3)$×$SU(2)$×$U(1) model, currents must be produced, at least at the electroweak scale, but also at any intermediate scale structured in a similar way [ref] .
Charge-velocity-dependent one-scale linear model · Introduction · 0.87
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In particular, this requires a comprehensive understanding of all possible additional degrees of freedom and structures, such as long-lasting currents [ref] , often dubbed superconducting—a nomenclature we prefer not to use here as it often refers to long-range electromagnetic effects—and Y-junctions [ref] , each of which can introduce deviations from the conventional cosmic string evolution paradigm [ref] .
Cosmic Microwave Background Signatures from Current-carrying Cosmic Strings · Introduction · 0.97
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This mechanism is closely analogous to that underlying the Ginzburg–Landau description of superconductivity [ref] , which is the origin of the name “superconducting cosmic strings.” Superconducting strings and their physical properties have been studied extensively in the literature [ref] .
Gravitational Waves from Superconducting Cosmic Strings · Introduction · 0.92
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