Primordial density perturbation in the curvaton scenario
Open accessAbstract
We analyze the primordial density perturbation when it is generated by a ``curvaton'' field different from the inflaton. In some cases this perturbation may have large isocurvature components, fully correlated or anticorrelated with the adiabatic component. It may also have a significant non-Gaussian component. All of these effects are calculated in a form which will enable direct comparison with current and forthcoming observational data.
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Non-adiabatic perturbations produced during multi-field inflation can generate detectable non-Gaussianity in the density field after inflation, in models such as the curvaton scenario or reheating.
“Furthermore, non-adiabatic perturbations produced during multi-field inflation can certainly generate detectable non-Gaussianity in the density field after inflation, in models such as the curvaton scenario [10] (see also [11]) or reheating [12, 13, 14, 15].”
From Non-Gaussianities in two-field inflation (2006) · cites this paper as [10]
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- [27]E. Komatsu, B. D. Wandelt, D. N. Spergel, A. J. Banday and K. M. Gorski, Astrophys. J. 566 (2002) 19 [arXiv:astro-ph/0107605]. M. G. Santos et al. , Phys. Rev. Lett. 88 (2002) 241302 [arXiv:astro-ph/0107588]. http://map.gsfc.nasa.gov/ http://map.gsfc.nasa.gov/ · arXiv
- [30]C. Gordon, D. Wands, B. A. Bassett and R. Maartens, Phys. Rev. D 63 , 023506 (2001) [arXiv:astro-ph/0009131]. · arXiv
- [32]D. H. Lyth, D. Roberts & M. Smith, Phys. Rev. D 57 , 7120 (1998) [arXiv:hep-ph/9609441]. · arXiv
- [33]D. J. Chung, E. W. Kolb and A. Riotto, Phys. Rev. D 59 , 023501 (1999) [arXiv:hep-ph/9802238]. · arXiv
- [34]L. Randall, M. Soljacic and A. H. Guth, Nucl. Phys. B 472 , 377 (1996) [arXiv:hep-ph/9512439]. · arXiv
- [35]J. Garcia-Bellido, A. D. Linde and D. Wands, Phys. Rev. D 54 , 6040 (1996) [arXiv:astro-ph/9605094]. · arXiv
- [36]L. Hui and E. D. Stewart, Phys. Rev. D 60 , 023518 (1999) [arXiv:hep-ph/9812345]; G. R. Dvali, Phys. Lett. B 459 , 489 (1999) [arXiv:hep-ph/9905204]; M. BasteroGil, E. J. Copeland, J. Gray, A. Lukas and M. Plumacher, arXiv:hep-th/0201040; · arXiv
- [38]K. Hamaguchi, H. Murayama and T. Yanagida, Phys. Rev. D 65 , 043512 (2002) [arXiv:hep-ph/0109030]. · arXiv
- [39]M. Bucher, K. Moodley and N. Turok, Phys. Rev. D 62 , 083508 (2000) [arXiv:astro-ph/9904231]. · arXiv
- [40]A. D. Dolgov, arXiv:hep-ph/0202122; G. G. Raffelt, arXiv:astro-ph/0207220; K. N. Abazajian, J. F. Beacom and N. F. Bell, Phys. Rev. D 66 (2002) 013008 [arXiv:astro-ph/0203442]; Y. Y. Wong, Phys. Rev. D 66 (2002) 025015 [arXiv:hep-ph/0203180]. · arXiv
- [41]A. D. Dolgov, S. H. Hansen, S. Pastor, S. T. Petcov, G. G. Raffelt and D. V. Semikoz, Nucl. Phys. B 632 (2002) 363 [arXiv:hep-ph/0201287]. · arXiv
- [42]M. Orito, T. Kajino, G. J. Mathews and Y. Wang, Phys. Rev. D 65 , 123504 (2002) [arXiv:astro-ph/0203352]. · arXiv
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- Authors
- Lyth, D. H., Ungarelli, C., & Wands, D.
- Affiliations
- Lancaster University (GB)
- University of Portsmouth (GB)
- ORCID
- Wands, David
- Venue
- Physical Review D
- Publisher
- American Physical Society (APS)
- Published
- 2003-01-10
- Volume
- 67
- Issue
- 2
- ISSN
- 0556-2821 (ISSN-L)
- 1089-4918
- OpenAlex
- W2104884586
- Cited by
- 782
- References
- 0
- Citations by year
- 2026: 12 · 2025: 23 · 2024: 26 · 2023: 22 · 2022: 11 · 2021: 12 · 2020: 17 · 2019: 17 · 2018: 32 · 2017: 11 · 2016: 34 · 2015: 21 · 2014: 35 · 2013: 42 · 2012: 54
- FWCI
- 31.42
- Type
- journal article
- Language
- en
- Open access
- green
- arxiv.org
- Locations
- Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- CERN Document Server (European Organization for Nuclear Research) (submittedVersion)
- Lancaster EPrints (Lancaster University) (submittedVersion)
- University of Birmingham Research Portal (University of Birmingham) (submittedVersion)
- arXiv (Cornell University)
- Topics
- Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Cosmology and Gravitation Theories
- Physical Sciences › Physics and Astronomy › Nuclear and High Energy Physics › Dark Matter and Cosmic Phenomena
- Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Noncommutative and Quantum Gravity Theories
- Keywords
- curvaton, primordial perturbations, isocurvature perturbations, adiabatic perturbations, non-Gaussianity, inflation (cosmology), cosmic microwave background anisotropies
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