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The Maximal Amount of Gravitational Waves in the Curvaton Scenario · Around

2007

The Maximal Amount of Gravitational Waves in the Curvaton Scenario

Bartolo, N., Matarrese, S., Riotto, A. et al.

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The curvaton scenario for the generation of the cosmological curvature perturbation on large scales represents an alternative to the standard slow-roll scenario of inflation in which the observed density perturbations are due to fluctuations of the inflaton field itself.

Its basic assumption is that the initial curvature perturbation due to the inflaton field is negligible.
This is attained by lowering the energy scale of inflation, thereby highly suppressing the amount of gravitational waves produced during inflation.
We compute the power-spectrum of the gravitational waves generated at second order in perturbation theory by the curvaton (isocurvature) perturbations between the end of inflation and the curvaton decay.

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Similar

D. H. Lyth and A. Riotto, Phys. Rept. 314 1 (1999); A. Riotto, hep-ph/0210162
1999
Cited alongside, same era.
D. H. Lyth, C. Ungarelli and D. Wands, Phys. Rev.D 67
2003
Cited alongside, same era.
L. Pilo, A. Riotto and A. Zaffaroni, JHEP 0407
2004
Cited alongside, same era.
S. Matarrese, O. Pantano and D. Saez, Phys. Rev. Lett. 72
2004
Cited alongside, same era.
N. Bartolo, S. Matarrese and A. Riotto, Phys. Rev. D 69
2004
Cited alongside, same era.
D. N. Spergel et al
Cited in the paper.
K. N. Ananda, C. Clarkson and D. Wands, arXiv:gr-qc/0612013
Cited in the paper.
D. Baumann, K. Ichiki, P. J. Steinhardt and K. Takahashi, arXiv:hep-th/0703290
Cited in the paper.

Then

For a review, see N. Bartolo, E. Komatsu, S. Matarrese and A. Riotto, Phys. Rept. 402
2004
Later among the works it cites.
G. Dvali, A. Gruzinov and M. Zaldarriaga, Phys. Rev. D 69
Original
2004
Later among the works it cites.
M. Amarie, C. Hirata and U. Seljak, Phys. Rev. D 72
2005
Later among the works it cites.
N. Seto, S. Kawamura and T. Nakamura, Phys. Rev. Lett. 87
2005
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P. Creminelli, L. Senatore, M. Zaldarriaga and M. Tegmark, JCAP 0703
2007
Closest in time.

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