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Large-scale magnetic fields, curvature fluctuations and the thermal history of the Universe
It is shown that gravitating magnetic fields affect the evolution of curvature perturbations in a way that is reminiscent of a pristine non-adiabatic pressure fluctuation. The gauge-invariant evolution of curvature perturbations is used to constrain the magnetic power spectrum. Depending on the esse...
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| Lenguaje: | eng |
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2007
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| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevD.76.103508 http://cds.cern.ch/record/1045376 |