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Primordial squeezed non-Gaussianity and observables in the CMB

Primordial squeezed non-Gaussianity and observables in the CMB

Primordial squeezed non-Gaussianity and observables in the CMB. Antony Lewis http://cosmologist.info/. Lewis arXiv:1204.5018 see also Creminelli et al astro-ph /0405428, arXiv:1109.1822, Bartolo et al arXiv:1109.2043 Lewis arXiv:1107.5431 Lewis , Challinor & Hanson arXiv:1101.2234

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513 views • 36 slides
Nonlinear cosmological perturbations

Nonlinear cosmological perturbations

Nonlinear cosmological perturbations. Filippo Vernizzi ICTP, Trieste. Astroparticles and Cosmology Workshop GGI, Florence, October 24, 2006. References. Second-order perturbations Phys. Rev. D 71 , 061301 (2005), astro-ph/0411463 Nonlinear perturbations with David Langlois:

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406 views • 23 slides
Nonlinear cosmological perturbations

Nonlinear cosmological perturbations

Nonlinear cosmological perturbations. Filippo Vernizzi ICTP, Trieste. Astroparticles and Cosmology Workshop GGI, Florence, October 24, 2006. References. Second-order perturbations Phys. Rev. D 71 , 061301 (2005), astro-ph/0411463 Nonlinear perturbations with David Langlois:

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240 views • 23 slides
Models of inflation with primordial non-Gaussianities

Models of inflation with primordial non-Gaussianities

Models of inflation with primordial non-Gaussianities. Francis Bernardeau SPhT Saclay. Unesco, July 2005. Collaboration with Tristan Brunier (SPhT Saclay) Jean-Philippe Uzan (LPT Orsay and IAP) Lev Kofman (CITA) astro-ph/0207295, 0209330, 0311422 and 0403315.

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318 views • 21 slides
Curvature and isocurvature perturbations in two-field inflation

Curvature and isocurvature perturbations in two-field inflation

Curvature and isocurvature perturbations in two-field inflation. Krzysztof Turzy?ski (University of Michigan). based on arXiv:0704.0212 with Z.Lalak , D.Langlois and S.Pokorski. Inflation. V. solves the flatness problem. solves the horizon problem. dilutes any preexisting relics.

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242 views • 15 slides

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