'Single field inflation' diaporamas de présentation

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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
Large Primordial Non- Gaussianity from early Universe

Large Primordial Non- Gaussianity from early Universe

Large Primordial Non- Gaussianity from early Universe. Kazuya Koyama University of Portsmouth. Primordial curvature perturbations. Komatsu et.al. 2008. Proved by CMB anisotropies nearly scale invariant nearly adiabatic nearly Gaussian Generation mechanisms

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388 views • 26 slides
Testing Primordial non-Gaussianities in CMB Anisotropies

Testing Primordial non-Gaussianities in CMB Anisotropies

Testing Primordial non-Gaussianities in CMB Anisotropies. Michele Liguori University of Cambridge, DAMTP. Outline. CMB non-Gaussianity: primordial and post-inflationary 2 nd order contributions. Tests of Gaussianity: NG estimators and NG CMB maps The CMB angular bispectrum

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385 views • 25 slides
Testing Primordial non-Gaussianities in CMB Anisotropies

Testing Primordial non-Gaussianities in CMB Anisotropies

Testing Primordial non-Gaussianities in CMB Anisotropies. Michele Liguori University of Cambridge, DAMTP. Outline. CMB non-Gaussianity: primordial and post-inflationary 2 nd order contributions. Tests of Gaussianity: NG estimators and NG CMB maps The CMB angular bispectrum

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254 views • 25 slides
2nd KIAS Workshop on Cosmology and Structure Formation KIAS, Seoul, Korea Sep 20-21, 2006

2nd KIAS Workshop on Cosmology and Structure Formation KIAS, Seoul, Korea Sep 20-21, 2006

Non-Gaussianity from Quantum Fluctuations during Inflation Kin-Wang Ng Institute of Physics & Institute of Astronomy and Astrophysics Academia Sinica, Taiwan, ROC. 2nd KIAS Workshop on Cosmology and Structure Formation KIAS, Seoul, Korea Sep 20-21, 2006.

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295 views • 20 slides
Measuring local-type might not rule out single-field inflation.

Measuring local-type might not rule out single-field inflation.

based on arXiv : 1104.0244. Measuring local-type might not rule out single-field inflation. Jonathan Ganc Physics Dept., Univ. of Texas July 6, 2011 PASCOS 2011, Univ. of Cambridge. Overview of presentation.

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238 views • 15 slides

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