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Testing the Variation of Fundamental Constants with the CMB

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From Varying Couplings to Fundamental Physics

Part of the book series: Astrophysics and Space Science Proceedings ((ASSSP))

Abstract

The high precision of current and future CMB data may allow the detection of numerous physical processes that might change the standard model of recombination, leaving recognizable imprints on the angular power spectra. We review some of the results obtained in constraining the variation of fundamental constants, in particular the effects of the gravitational constant G and of the fine structure constant α.

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Acknowledgements

The work of C.M. is funded by a Ciência2007 Research Contract, supported by FSE and POPH-QREN funds.

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Authors and Affiliations

  1. Laboratoire APC, 10, rue Alice Domon et Leonie Duquet, 75205, Paris Cedex 13, France

    Silvia Galli

  2. Physics Department and INFN, Università di Roma “La Sapienza”, Ple Aldo Moro 2, 00185, Rome, Italy

    Silvia Galli, Alessandro Melchiorri & Eloisa Menegoni

  3. Centro de Astrofísica, Universidade do Porto, Rua das Estrelas, 4150-762, Porto, Portugal

    C. J. A. P. Martins

Authors
  1. Silvia Galli
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  2. C. J. A. P. Martins
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  3. Alessandro Melchiorri
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  4. Eloisa Menegoni
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Corresponding author

Correspondence to Silvia Galli .

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Editors and Affiliations

  1. , Centro de Astrofisica, Universidade do Porto, Rua das Estrelas, Porto, 4150-762, Portugal

    Carlos Martins

  2. INAF-Osservatorio Astronomico di Trieste, Via G.B. Tiepolo 11, Trieste, 34131, Italy

    Paolo Molaro

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Galli, S., Martins, C.J.A.P., Melchiorri, A., Menegoni, E. (2011). Testing the Variation of Fundamental Constants with the CMB. In: Martins, C., Molaro, P. (eds) From Varying Couplings to Fundamental Physics. Astrophysics and Space Science Proceedings. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-19397-2_7

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  • DOI: https://doi.org/10.1007/978-3-642-19397-2_7

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  • Online ISBN: 978-3-642-19397-2

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