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LOCAL VOIDS AND THE CMB Kaiki Taro Inoue (Kinki University) Joe Silk (Oxford University) December 15 2006.

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Presentation on theme: "LOCAL VOIDS AND THE CMB Kaiki Taro Inoue (Kinki University) Joe Silk (Oxford University) December 15 2006."— Presentation transcript:

1 LOCAL VOIDS AND THE CMB Kaiki Taro Inoue (Kinki University) Joe Silk (Oxford University) December 15 2006

2 PRIMORDIAL SOUND WAVES IN THE PHOTON-BARYON PLASMA BECOME DENSITY FLUCTUATIONS IN MATTER-DOMINATED ERA time density fluctuation strength NON-BARYONIC WEAKLY INTERACTING DARK MATTER BOOSTS FLUCTUATION GROWTH Vittorio and Silk 1984 Bond and Efstathiou 1984

3 TEMPERATURE VARIATIONS IN THE CMB SKY WMAP3 vs WMAP1

4 BARYON OSCILLATIONS SDSS

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19 Vary  Vary  Ist order 2nd order Ist order 2nd order

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22  CDM

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