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Cosmological perturbations from multi-field inflation

David Langlois 1
1 APC - THEORIE
APC (UMR_7164) - AstroParticule et Cosmologie, Institut für theoretische Physik
Abstract : We briefly review the standard derivation of the spectra of cosmological perturbations in the simplest models of inflation. We then consider models with several scalar fields, described by Lagrangians with an arbitrary dependence on the kinetic terms. We illustrate our general formalism with the case of multi-field DBI inflation.
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http://hal.in2p3.fr/in2p3-00323604
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Submitted on : Monday, September 22, 2008 - 3:33:26 PM
Last modification on : Wednesday, September 23, 2020 - 4:36:54 AM

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David Langlois. Cosmological perturbations from multi-field inflation. International Conference on Gravitation and Cosmology - ICGC-07, Dec 2007, Pune, India. pp.012004, ⟨10.1088/1742-6596/140/1/012004⟩. ⟨in2p3-00323604⟩

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