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This Week at Physics

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Event Number 3164

  Thursday, April 3rd, 2014

NPAC (Nuclear/Particle/Astro/Cosmo) Forum
Cosmic voids as cosmological laboratories
Time: 2:00 pm
Place: 4274 Chamberlin
Speaker: Paul Sutter, IAP
Abstract: Voids are the large, underdense regions in the cosmic web, and they are potentially powerful cosmological probes due to their intimate connection to the growth of structure, their domination by dark energy, and their relative lack of systematics. I will present our latest work to identify voids in galaxy redshift surveys, our efforts to understand their fundamental nature and their connection to dark matter underdensities, and an overview of many diverse cosmological applications, including gravitational lensing, the ISW effect, and the Alcock-Paczynski effect.
Host: Peter Timbie
Poster: http://www.physics.wisc.edu/twap/posters/2014/3164.pdf
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