Strongly Scale-dependent Non-Gaussianity

Antonio Riotto, Martin Snoager Sloth

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

We discuss models of primordial density perturbations where the non-Gaussianity is strongly scale-dependent. In particular, the non-Gaussianity may have a sharp cut-off and be very suppressed on large cosmological scales, but sizeable on small scales. This may have an impact on probes of non-Gaussianity in the large-scale structure and in the cosmic microwave background radiation anisotropies.
Original languageUndefined/Unknown
JournalPhys.Rev.D
DOIs
Publication statusPublished - 15. Sep 2010

Keywords

  • astro-ph.CO
  • hep-ph
  • hep-th

Cite this

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title = "Strongly Scale-dependent Non-Gaussianity",
abstract = "We discuss models of primordial density perturbations where the non-Gaussianity is strongly scale-dependent. In particular, the non-Gaussianity may have a sharp cut-off and be very suppressed on large cosmological scales, but sizeable on small scales. This may have an impact on probes of non-Gaussianity in the large-scale structure and in the cosmic microwave background radiation anisotropies.",
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author = "Antonio Riotto and Sloth, {Martin Snoager}",
year = "2010",
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Strongly Scale-dependent Non-Gaussianity. / Riotto, Antonio; Sloth, Martin Snoager.

In: Phys.Rev.D, 15.09.2010.

Research output: Contribution to journalJournal articleResearchpeer-review

TY - JOUR

T1 - Strongly Scale-dependent Non-Gaussianity

AU - Riotto, Antonio

AU - Sloth, Martin Snoager

PY - 2010/9/15

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N2 - We discuss models of primordial density perturbations where the non-Gaussianity is strongly scale-dependent. In particular, the non-Gaussianity may have a sharp cut-off and be very suppressed on large cosmological scales, but sizeable on small scales. This may have an impact on probes of non-Gaussianity in the large-scale structure and in the cosmic microwave background radiation anisotropies.

AB - We discuss models of primordial density perturbations where the non-Gaussianity is strongly scale-dependent. In particular, the non-Gaussianity may have a sharp cut-off and be very suppressed on large cosmological scales, but sizeable on small scales. This may have an impact on probes of non-Gaussianity in the large-scale structure and in the cosmic microwave background radiation anisotropies.

KW - astro-ph.CO

KW - hep-ph

KW - hep-th

U2 - 10.1103/PhysRevD.83.041301

DO - 10.1103/PhysRevD.83.041301

M3 - Tidsskriftartikel

JO - Phys.Rev.D

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