2011

Signatures of Supersymmetry from the Early Universe

Baumann, Daniel, Green, Daniel

Understand

Supersymmetry plays a fundamental role in the radiative stability of many inflationary models.

Spontaneous breaking of the symmetry inevitably leads to fields with masses of order the Hubble scale during inflation.
When these fields couple to the inflaton they produce a unique signature in the squeezed limit of the three-point function of primordial curvature perturbations.
In this paper, we make this connection between naturalness, supersymmetry, Hubble-mass degrees of freedom and the squeezed limit precise.

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Similar

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2009
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Then

C. Cheung, Y. Nomura, and J. Thaler, “Goldstini,” JHEP 1003
2010
Later among the works it cites.
A. Tolley and M. Wyman, “The Gelaton Scenario: Equilateral Non-Gaussianity From Multi-Field Dynamics,” Phys. Rev. D81
2010
Later among the works it cites.
L. Senatore, K. Smith, and M. Zaldarriaga, “Non-Gaussianities in Single Field Inflation and their Optimal Limits from the WMAP 5-year Data,” JCAP 1001
2010
Later among the works it cites.
D. Tseliakhovich, C. Hirata, and A. Slosar, “Non-Gaussianity and Large-Scale Structure in a Two-Field Inflationary Model,” Phys. Rev. D82
2010
Later among the works it cites.
X. Chen, “Primordial Non-Gaussianities from Inflation Models,” Adv. Astron. 2010
2010
Later among the works it cites.
S. Shandera, N. Dalal, and D. Huterer, “A Generalized Local Ansatz and its Effect on Halo Bias,” JCAP 1103
2011
Closest in time.
M. Yamaguchi, “Supergravity Based Inflation Models: a Review,” Class. Quant. Grav. 28
2011
Closest in time.
C. Burrage, C. de Rham, D. Seery, and A. Tolley, “Galileon Inflation,” JCAP 1101
2011
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D. Baumann and D. Green, “Inflating with Baryons,” JHEP 1104
2011
Closest in time.
D. Baumann and D. Green, “Equilateral Non-Gaussianity and New Physics on the Horizon,” JCAP 1109
2011
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S. Cremonini, Z. Lalak, and K. Turzynski, “Strongly Coupled Perturbations in Two-Field Inflationary Models,” JCAP 1103
2011
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A. Achucarro, J. Gong, S. Hardeman, G. Palma, and S. Patil, “Features of Heavy Physics in the CMB Power Spectrum,” JCAP 1101
2011
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The Planck Collaboration, “Planck Early Results: The Planck Mission,” [arXiv:1101.2022 [astro-ph.IM]]
Original
2022
Closest in time.
L. Senatore and M. Zaldarriaga, “The Effective Field Theory of Multi-Field Inflation,” arXiv:1009.2093 [hep-th]
Original
2093
Closest in time.

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