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Inflatonic baryogenesis with large tensor mode · Around

2014

Inflatonic baryogenesis with large tensor mode

Takeda, Naoyuki

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We consider the complex inflaton field with a CP asymmetric term for its potential.

This CP asymmetric term produces the global charge of the inflaton after inflation.
With the assignment of the baryon number to the inflaton, the baryon asymmetry of the universe is produced by inflaton's decay.
In addition to this, the $U(1)$ breaking term modulates the curvature of the inflaton radial direction depending on its phase, which affects the tensor to scalar ratio.

Built on

A. D. Linde, “Chaotic Inflation,” Phys. Lett. B 129
1983
Earlier work this paper cites.
V. A. Kuzmin, V. A. Rubakov and M. E. Shaposhnikov, “On the Anomalous Electroweak Baryon Number Nonconservation in the Early Universe,” Phys. Lett. B 155
1985
Earlier work this paper cites.
I. Affleck and M. Dine, “A New Mechanism for Baryogenesis,” Nucl. Phys. B 249
1985
Earlier work this paper cites.

Similar

M. Fukugita and T. Yanagida, “Baryogenesis Without Grand Unification,” Phys. Lett. B 174
1986
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Y. -Y. Charng, D. -S. Lee, C. N. Leung and K. -W. Ng, “Affleck-Dine Baryogenesis, Split Supersymmetry, and Inflation,” Phys. Rev. D 80
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2009
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K. Nakayama, F. Takahashi and T. T. Yanagida, “Polynomial Chaotic Inflation in Supergravity,” JCAP 1308
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R. Cooke, M. Pettini, R. A. Jorgenson, M. T. Murphy and C. C. Steidel, “Precision measures of the primordial abundance of deuterium,” arXiv:1308.3240 [astro-ph.CO]
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M. P. Hertzberg and J. Karouby, “Baryogenesis from the Inflaton Field,” arXiv:1309.0007 [hep-ph]
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Home page about the LiteBIRD mission http://litebird.jp/eng/
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Cited in the paper.

Then

M. P. Hertzberg and J. Karouby, “Generating the Observed Baryon Asymmetry from the Inflaton Field,” Phys. Rev. D 89
Original
2014
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P. A. R. Ade et al
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2015
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2015
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