Inhomogeneous non-Gaussianity

Byrnes C, Nurmi S, Tasinato G, Wands D (2012)
Journal of Cosmology and Astroparticle Physics 2012(03): 012.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
We propose a method to probe higher-order correlators of the primordialdensity field through the inhomogeneity of local non-Gaussian parameters, suchas f_NL, measured within smaller patches of the sky. Correlators betweenn-point functions measured in one patch of the sky and k-point functionsmeasured in another patch depend upon the (n+k)-point functions over the entiresky. The inhomogeneity of non-Gaussian parameters may be a feasible way todetect or constrain higher-order correlators in local models ofnon-Gaussianity, as well as to distinguish between single and multiple-sourcescenarios for generating the primordial density perturbation, and moregenerally to probe the details of inflationary physics.
Erscheinungsjahr
Zeitschriftentitel
Journal of Cosmology and Astroparticle Physics
Band
2012
Zeitschriftennummer
03
Seite
012
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Byrnes C, Nurmi S, Tasinato G, Wands D. Inhomogeneous non-Gaussianity. Journal of Cosmology and Astroparticle Physics. 2012;2012(03):012.
Byrnes, C., Nurmi, S., Tasinato, G., & Wands, D. (2012). Inhomogeneous non-Gaussianity. Journal of Cosmology and Astroparticle Physics, 2012(03), 012. doi:10.1088/1475-7516/2012/03/012
Byrnes, C., Nurmi, S., Tasinato, G., and Wands, D. (2012). Inhomogeneous non-Gaussianity. Journal of Cosmology and Astroparticle Physics 2012, 012.
Byrnes, C., et al., 2012. Inhomogeneous non-Gaussianity. Journal of Cosmology and Astroparticle Physics, 2012(03), p 012.
C. Byrnes, et al., “Inhomogeneous non-Gaussianity”, Journal of Cosmology and Astroparticle Physics, vol. 2012, 2012, pp. 012.
Byrnes, C., Nurmi, S., Tasinato, G., Wands, D.: Inhomogeneous non-Gaussianity. Journal of Cosmology and Astroparticle Physics. 2012, 012 (2012).
Byrnes, Christian, Nurmi, Sami, Tasinato, Gianmassimo, and Wands, David. “Inhomogeneous non-Gaussianity”. Journal of Cosmology and Astroparticle Physics 2012.03 (2012): 012.

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arXiv: 1111.2721

Inspire: 945527

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