Primordial trispectrum and orthogonal non-Gaussianities
Primordial trispectrum and orthogonal non-Gaussianities
Primordial trispectrum and orthogonal non-Gaussianities
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A diagnostic of a large <strong>orthogonal</strong>bispectrum (pre-Planck)WMAP9 (weakly) favoredvalues of c s of order 10 -2For such values, the<strong>trispectrum</strong>, scaling likeWMAP9is of order 10 8 <strong>and</strong> is greaterthan the observationalboundStrong constraints on models that can generate the large<strong>orthogonal</strong> bispectrum suggested by WMAP9 … unless theobservational bound is not applicable!
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