Lecture 17: Force Unification Lecture 18: The Inflationary Universe Astronomy 5: The Formation and Evolution of the Universe Sandra M. Faber Spring Quarter.

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Presentation transcript:

Lecture 17: Force Unification Lecture 18: The Inflationary Universe Astronomy 5: The Formation and Evolution of the Universe Sandra M. Faber Spring Quarter 2007 UC Santa Cruz

Another version with gravity added. Speculative!

Summary slide of unification including times, energies, and temperatures

Unification with supersymmetry: convergence gets better Poor convergence Good convergence

Summary slide of unification adding times, energies, and temperatures

Two giants of modern cosmology Alan Guth: Inflation Andre Linde: Eternal Inflation

The radius of our cosmic horizon today is 14 billion lyr (about m). This graph shows the physical size of this region back in time m soccer ball, <1 m

The radius of our cosmic horizon today is 14 billion lyr (about cm). This graph shows the physical size of this region back in time. Expands by at least during inflation. Expands by after inflation.

The mathematics of space curvature during inflation resembles that of a balloon. In both cases, increasing the volume of space drives the curvature to flat.