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Non-Gaussian isocurvature perturbations from inflation

Open access
Linde, A., Mukhanov, V.·1997·Physical Review D
DOI 10.1103/physrevd.56.r535
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Abstract

We present a class of very simple inflationary models of two scalar fields which leads to non-Gaussian isothermal perturbations with a ``blue'' spectrum, $n>1.$ One of the models is inspired by supersymmetric theories where light scalar fields naturally acquire masses $\ensuremath{\sim}H$ during inflation. Another model presumes that one of the fields has a nonminimal interaction with gravity $\ensuremath{\xi}R{\ensuremath{\sigma}}^{2}.$ By a slight modification of parameters of these models one can obtain either Gaussian isothermal perturbations, or non-Gaussian adiabatic perturbations with $n>1.$

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Metadata

Authors
Linde, A., & Mukhanov, V.
Venue
Physical Review D
Publisher
American Physical Society (APS)
Published
1997-07-15
Volume
56
Issue
2
Pages
R535-R539
ISSN
  • 0556-2821 (ISSN-L)
  • 1089-4918
DOI
10.1103/physrevd.56.r535
OpenAlex
W2127161203
Cited by
777
References
0
FWCI
10.53
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Non-Gaussian isocurvature perturbations from inflation. https://app.cochat.ai/papers/10.1103/physrevd.56.r535
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Linde, A., & Mukhanov, V. (1997). Non-Gaussian isocurvature perturbations from inflation. Physical Review D. https://doi.org/10.1103/physrevd.56.r535

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