Planck: Understanding the Big Bang

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Information about Planck: Understanding the Big Bang

Published on March 24, 2009

Author: eurospaceagency

Source: slideshare.net

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ESA Space Science Talks March 2009. George Efstathiou: Planck: Understanding the Big Bang. Observing at microwave wavelengths, ESA's Planck observatory is the third space mission of its kind. It will measure tiny fluctuations in the CMB with unprecedented accuracy, providing the sharpest picture ever of the young Universe — when it was only 380 000 years old — and zeroing-in on theories that describe its birth and evolution.

Planck: Understanding the Big Bang George Efstathiou Kavli Institute for Cosmology, Cambridge, UK Schloss Braunshardt, Germany 19/3/2009

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang Planck Units

Planck: Understanding the Big Bang George Efstathiou 19/3/2009

Why is the Universe so big? Why is the Universe so old? Why is the entropy so big? Why is the entropy so small? Why is the Universe so uniform and isotropic? Where did the structure – stars, galaxies, clusters of galaxies...come from? What happened at the Big Bang? Can we probe physics before the Big Bang? What is the fate of the Universe? ............................................................. Planck: Understanding the Big Bang SOME 'BIG' COSMOLOGICAL QUESTIONS : George Efstathiou 19/3/2009

Why is the Universe so big?

Why is the Universe so old?

Why is the entropy so big?

Why is the entropy so small?

Why is the Universe so uniform and isotropic?

Where did the structure – stars, galaxies, clusters of galaxies...come from?

What happened at the Big Bang?

Can we probe physics before the Big Bang?

What is the fate of the Universe?

.............................................................

Planck: Understanding the Big Bang George Efstathiou 19/3/2009

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang Wilkinson Microwave Anisotropy Probe (WMAP)‏

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang Wilkinson Microwave Anisotropy Probe (WMAP)‏

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang p = - 

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang S-dimensional assisted inflation assisted brane inflation anomoly-induced inflation assisted inflation assisted chaotic inflation boundary inflation brane inflation brane-assisted inflation brane gas inflation brane-antibrane inflation braneworld inflation Brans-Dicke chaotic inflation Brans-Dicke inflation bulky brane inflation chaotic inflation chaotic hybrid inflation chaotic new inflation D-brane inflation D-term inflation dilaton-driven inflation dilaton-driven brane inflation double inflation double D-term inflation dual inflation dynamical inflation dynamical SUSY inflation eternal inflation extended inflation extended open inflation extended warm inflation extra dimensional inflation F-term inflation F-term hybrid inflation false-vacuum inflation false-vacuum chaotic inflation fast-roll inflation first-order inflation gauged inflation Hagedorn inflation higher-curvature inflation hybrid inflation hyperextended inflation induced gravity inflation intermediate inflation inverted hybrid inflation isocurvature inflation......................

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang Polarization E and B modes Gradient: E polarization Curl: B polarization

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang CURRENT OBSERVATIONS PLANCK FORECAST TE E

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang GRAVITATIONAL WAVES THEORETICAL MODEL

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang GRAVITATIONAL WAVES NOMINAL MISSION: 2 SKY SURVEYS

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang GRAVITATIONAL WAVES NOMINAL MISSION: 4 SKY SURVEYS

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang GRAVITATIONAL WAVES THEORETICAL MODEL

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang ALIGNMENTS?

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang ASYMMETRY?

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang COLD SPOT?

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang

Brane-worlds – signatures of higher dimensions Pre-big bang signatures Cosmic defects, cosmic superstrings Non-Gaussianity Evidence for warped geometry Isocurvature perturbations Deviations from Einstein gravity Neutrino masses Interacting dark matter .................................. Planck: Understanding the Big Bang BEYOND THE 'STANDARD' BIG BANG: : George Efstathiou 19/3/2009

Brane-worlds – signatures of higher dimensions

Pre-big bang signatures

Cosmic defects, cosmic superstrings

Non-Gaussianity

Evidence for warped geometry

Isocurvature perturbations

Deviations from Einstein gravity

Neutrino masses

Interacting dark matter

..................................

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang

THANK YOU George Efstathiou Understanding the Big Bang [email_address]

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang

George Efstathiou 19/3/2009 Planck: Understanding the Big Bang TE E TE E

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