'Sound horizon' presentation slideshows

Dark energy and the CMB

Dark energy and the CMB. Robert Crittenden. Work with S. Boughn, T. Giannantonio, L. Pogosian , N. Turok, R. Nichol, P.S. Corasaniti, C. Stephan-Otto. Measurements of CMB anisotropies. Beautiful new data from WMAP and smaller angle experiments What do they tell us about dark energy?.

575 views • 57 slides

Results from Three-Year WMAP Observations

727 views • 54 slides

Shedding Light on Dark Energy

Shedding Light on Dark Energy. Dr. Wayne Barkhouse. Department of Physics University of North Dakota. Outline. Introduction Cosmological Framework Early Signs of Dark Energy The Discovery of Dark Energy What is Dark Energy? Probing Dark Energy Dark Energy Projects Summary.

739 views • 45 slides

CMB as a physics laboratory

CMB as a physics laboratory. Recombination. T = 0.3 eV << m e c 2. Hydrogen is ionized Thomson Scattering. Hydrogen is neutral. Cosmic. Dust. Point sources. Free free. Synchrot. Tegmark, 2000. Microwave. Decoupling: photon mean free path, l=1/ n e s T > H -1 .

479 views • 33 slides

Eric Linder 23 September 2013

Advances and Opportunities in Cosmology. a t KASI. Eric Linder 23 September 2013. Berkeley Center for Cosmological Physics. Role of Observations. ???? ??. But ? , what big teeth you have! . Before we jump into bed with ? , we should be sure it is not something more beastly. .

446 views • 30 slides