Abstract
Extended electromagnetism (EE) has been applied to cosmology in various papers. In all of them, the zero order energy density of the EE vector field plays the same role as vacuum energy. Perturbations of this field have been studied by using different approaches. Firstly, some basic equations and ideas are summarized and, then, the CMBFAST code is used to calculate the cosmic microwave background angular power spectrum for appropriate values of the EE parameters. Comparisons of the resulting spectra with a good observational one compatible with WMAP7 (Wilkinson map anisotropy probe 7 years data) seem to be promising. We are currently looking for a set of parameters leading to the best fitting between the WMAP7 and EE spectra. Results will be presented elsewhere.
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Acknowledgements
This work has been supported by the Spanish Ministries of Ciencia e Innovación and Economía y Competitividad, MICINN-FEDER projects FIS2009-07705 and FIS2012-33582.
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Dale, R., Sáez, D. (2014). Cosmological Applications of Extended Electromagnetism. In: García-Parrado, A., Mena, F., Moura, F., Vaz, E. (eds) Progress in Mathematical Relativity, Gravitation and Cosmology. Springer Proceedings in Mathematics & Statistics, vol 60. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-40157-2_29
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DOI: https://doi.org/10.1007/978-3-642-40157-2_29
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