Matches in SemOpenAlex for { <https://semopenalex.org/work/W3103561630> ?p ?o ?g. }
- W3103561630 abstract "We calculate non-Gaussianities in the bispectrum and trispectrum arising from the cubic term in the local expansion of the scalar curvature perturbation. We compute to three-loop order and for general momenta. A procedure for evaluating the leading behavior of the resulting loop-integrals is developed and discussed. Finally, we survey unique non-linear signals which could arise from the cubic term in the squeezed limit. In particular, it is shown that loop corrections can cause $f_{NL}^{sq.}$ to change sign as the momentum scale is varied. There also exists a momentum limit where $tau_{NL} <0$ can be realized." @default.
- W3103561630 created "2020-11-23" @default.
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- W3103561630 date "2011-09-30" @default.
- W3103561630 modified "2023-09-26" @default.
- W3103561630 title "Local scale-dependent non-gaussian curvature perturbations at cubic order" @default.
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- W3103561630 doi "https://doi.org/10.1088/1475-7516/2011/09/036" @default.
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