Colloquium Speaker, Marc Kamionkowski (Johns Hopkins University) , today at 4:00pm

[Patterson, Robin L.]

Please take note of Colloquium taking place today, Tuesday, April 21, 2015  at 4:00 PM in The Robert Smith Seminar Room. There will be a reception in the Atrium at 3:45PM. Details concerning the talk are as follows:

Speaker:              Marc Kamionkowski (Johns Hopkins University)
Date:                     Tuesday, April 21, 2015
Time:                     4:00 PM
Place:                    1080 Physics Research Building, The Robert Smith Seminar Room
Title:                     Inflation:  There's Room at the Bottom


Abstract: The idea that the Universe underwent a period of superluminal expansion, known as inflation, has gained considerable traction with the advent of precise measurements over the past decade+.  One of the key predictions of inflation is a spectrum of primordial density fluctuations that remains nearly scale-invariant over 15-25 decades in distance scale.  The near scale-invariance of primordial perturbations over the roughly 3 decades over which the spectrum has been measured so far remains one of the theory's greatest successes. Still, it is interesting to think whether that spectrum can be measured over the remaining 12-22 decades, all of it at distance scales smaller than those that can be probed by the cosmic microwave background or galaxy surveys.  I will discuss some ideas for accessing these smaller scales.

The website for the colloquium is https://physics.osu.edu/physics-colloquium-schedule

Robin
[The Ohio State University]
Robin Patterson
Undergraduate Program, Colloquium and Seminar Coordinator
Department of Physics
1040K Physics Research Building, 191 W. Woodruff Avenue, Columbus, OH 43210
(614) 292-8523 Office     (614) 292-7557 Fax
patterson.716 at osu.edu<mailto:patterson.716 at osu.edu> osu.edu<http://osu.edu/>

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