Lectures on Inflation

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TASI Lectures on Inflation


Examples of E-mode and B-mode patterns of polarization

Daniel Baumann
In a series of five lectures I review inflationary cosmology.
I begin with a description of the initial conditions problems of the Friedmann-Robertson-Walker (FRW) cosmology and then explain how inflation, an early period of accelerated expansion, solves these problems.
Next, I describe how inflation transforms microscopic quantum fluctuations into macroscopic seeds for cosmological structure formation.
I present in full detail the famous calculation for the primordial spectra of scalar and tensor fluctuations.
I then define the inverse problem of extracting information on the inflationary era from observations of cosmic microwave background fluctuations.
The current observational evidence for inflation and opportunities for future tests of inflation are discussed. Finally, I review the challenge of relating inflation to fundamental physics by giving an account of inflation in string theory.

Written by physicsgg

March 29, 2014 at 7:35 am


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