Inhomogeneous non-Gaussianity

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

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Byrnes, ChristianUniBi; Nurmi, Sami; Tasinato, Gianmassimo; Wands, David
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
2012
Zeitschriftentitel
Journal of Cosmology and Astroparticle Physics
Band
2012
Ausgabe
03
Seite(n)
012
ISSN
1475-7516
eISSN
1475-7516
Page URI
https://pub.uni-bielefeld.de/record/2487911

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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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