Evidence for dark energy from the cosmic microwave background alone using the Atacama Cosmology Telescope lensing measurements.

For the first time, measurements of the cosmic microwave background radiation (CMB) alone favor cosmologies with w = -1 dark energy over models without dark energy at a 3.2-sigma level. We demonstrate this by combining the CMB lensing deflection power spectrum from the Atacama Cosmology Telescope wi...

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Bibliographic Details
Main Authors:	Sherwin, B, Dunkley, J, Das, S, Appel, J, Bond, JR, Carvalho, C, Devlin, M, Dünner, R, Essinger-Hileman, T, Fowler, J, Hajian, A, Halpern, M, Hasselfield, M, Hincks, A, Hlozek, R, Hughes, J, Irwin, K, Klein, J, Kosowsky, A, Marriage, T, Marsden, D, Moodley, K, Menanteau, F, Niemack, MD, Nolta, MR
Format:	Journal article
Language:	English
Published:	2011

Evidence for dark energy from the cosmic microwave background alone using the Atacama Cosmology Telescope lensing measurements.

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