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The Cold Spot as a Large Void: Rees-Sciama effect on CMB Power Spectrum and Bispectrum
The detection of a "Cold Spot" in the CMB sky could be explained by the presence of an anomalously large spherical underdense region (with radius of a few hundreds Mpc/h) located between us and the Last Scattering Surface. Modeling such an underdensity with an LTB metric, we investigate wh...
Autores principales: | , |
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Lenguaje: | eng |
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2008
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.1088/1475-7516/2009/02/019 http://cds.cern.ch/record/1120537 |