'Curvature perturbations' presentation slideshows

Misao Sasaki YITP, Kyoto University

29 June, 2009 ICG, Portsmouth. Non-Gaussianity from Inflation. Misao Sasaki YITP, Kyoto University. 2. contents. 1. Inflation and curvature perturbations. d N formalism. 2. Origin of non-Gaussianity. subhorizon or superhorizon scales. 3. Non-Gaussianity from superhorizon scales.

475 views • 34 slides

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???????????????. ???????????????. ???????? 2012 ? 3 ? 16 ?. ??. ???????? ???? ???????????? ??. ? . ????????. (1) formation of the CMB. Shortly after recombination , the photon mean free path became larger than the Hubble length, and photons decoupled from matter in the universe.

422 views • 24 slides

Nonlinear curvature perturbations in two-field hybrid inflation

cifar08/Lindefest 5-9 March, 2008. Nonlinear curvature perturbations in two-field hybrid inflation. -- d N in exactly soluble models --. Yukawa Institute (YITP) Kyoto University. Misao Sasaki. Happy Kanreki, Andrei!. kanreki = one cycle of chinese zodiacal calendar. ???. 60 yrs =

367 views • 22 slides

Scalar perturbations in braneworld cosmology

Scalar perturbations in braneworld cosmology. Takashi Hiramatsu Research Center for the Early Universe (RESCEU), School of Science, University of Tokyo Collaboration with A.Cardoso , K.Koyama , S.S.Seahra Institute of Cosmology and Gravitation, University of Portsmouth.

279 views • 18 slides

Hemispherical Power Asymmetry ???

340 views • 17 slides

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.

239 views • 15 slides