Primordial trispectrum and orthogonal non-Gaussianities
Primordial trispectrum and orthogonal non-Gaussianities
Primordial trispectrum and orthogonal non-Gaussianities
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TrispectrumTwo-parameter family of shapes. For any A, T interpolatesbetween highly correlated <strong>and</strong> anti-correlated with Tc1 as Bgoes from large negative to positive values. A shapequalitatively different from Tc1 necessarily arises in theneighborhood of a particular value of B (function of A).Around which value? How narrow is this region?What does the shape look like? How does it vary with A?