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Similar

M. Viel, E. Branchini, K. Dolag, M. Grossi, S. Matarrese and L. Moscardini, “Primordial non-Gaussianities in the Intergalactic Medium,” Mon. Not. Roy. Astron. Soc. 393
Original
2009
Cited alongside, same era.
P. D. Meerburg, J. P. van der Schaar and P. S. Corasaniti, “Signatures of Initial State Modifications on Bispectrum Statistics,” JCAP 0905
Original
2009
Cited alongside, same era.
C. T. Byrnes, K. Y. Choi and L. M. H. Hall, “Large non-Gaussianity from two-component hybrid inflation,” JCAP 0902
Original
2009
Cited alongside, same era.
D. Seery, M. S. Sloth and F. Vernizzi, “Inflationary trispectrum from graviton exchange,” JCAP 0903
Original
2009
Cited alongside, same era.
L. Senatore, K. M. Smith and M. Zaldarriaga, “Non-Gaussianities in Single Field Inflation and their Optimal Limits from the WMAP 5-year Data,” JCAP 1001

Then

S. R. Behbahani and D. Green, “Collective Symmetry Breaking and Resonant Non-Gaussianity,” JCAP 1211
Original
2012
Later among the works it cites.
D. Lopez Nacir, R. A. Porto, L. Senatore and M. Zaldarriaga, “Dissipative effects in the Effective Field Theory of Inflation,” JHEP 1201
Original
2012
Later among the works it cites.
A. Achucarro, J. O. Gong, S. Hardeman, G. A. Palma and S. P. Patil, “Effective theories of single field inflation when heavy fields matter,” JHEP 1205
Original
2012
Later among the works it cites.
D. Chialva, “Signatures of very high energy physics in the squeezed limit of the bispectrum (violation of Maldacena’s condition),” JCAP 1210
Original
2012
Later among the works it cites.
V. Assassi, D. Baumann and D. Green, “On Soft Limits of Inflationary Correlation Functions,” JCAP 1211

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2015

Consistently violating the non-Gaussian consistency relation

Mooij, Sander, Palma, Gonzalo A.

Understand

Non-attractor models of inflation are characterized by the super-horizon evolution of curvature perturbations, introducing a violation of the non-Gaussian consistency relation between the bispectrum's squeezed limit and the power spectrum's spectral index.

In this work we show that the bispectrum's squeezed limit of non-attractor models continues to respect a relation dictated by the evolution of the background.
We show how to derive this relation using only symmetry arguments, without ever needing to solve the equations of motion for the perturbations.