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We study non-linear primordial adiabatic and isocurvature perturbations and their non-Gaussianity.
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2003
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K. A. Malik, D. Wands and C. Ungarelli, “Large-scale curvature and entropy perturbations for multiple interacting fluids,” Phys. Rev. D
2003
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J. Maldacena, “Non-Gaussian features of primordial fluctuations in single field inflationary models,” JHEP
2003
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V. Acquaviva, N. Bartolo, S. Matarrese and A. Riotto, “Second-order cosmological perturbations from inflation,” Nucl. Phys. B
2003
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D. Langlois and F. Vernizzi, “Mixed inflaton and curvaton perturbations,” Phys. Rev. D
2004
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F. Ferrer, S. Rasanen and J. Valiviita, “Correlated isocurvature perturbations from mixed inflaton-curvaton decay,” JCAP
2004
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2005
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L. Boubekeur and D. H. Lyth, Phys. Rev. D
2006
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G. I. Rigopoulos, E. P. S. Shellard and B. W. van Tent, “Non-linear perturbations in multiple-field inflation,” Phys. Rev. D
2006
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D. Langlois and F. Vernizzi, “Nonlinear perturbations for dissipative and interacting relativistic fluids,” JCAP
2006
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M. Sasaki, J. Valiviita and D. Wands, “Non-gaussianity of the primordial perturbation in the curvaton model,” Phys. Rev. D
2006
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K. A. Malik and D. H. Lyth, “A numerical study of non-gaussianity in the curvaton scenario,” JCAP
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N. Bartolo, S. Matarrese and A. Riotto, “Evolution of second-order cosmological perturbations and non-Gaussianity,” JCAP
2004
Cited alongside, same era.
S. Gupta, K. A. Malik and D. Wands, Phys. Rev. D
2004
Cited alongside, same era.
S. Weinberg, “Must cosmological perturbations remain non-adiabatic after multi-field inflation?,” Phys. Rev. D
2004
Cited alongside, same era.
N. Bartolo, E. Komatsu, S. Matarrese and A. Riotto, “Non-Gaussianity from inflation: Theory and observations,” Phys. Rept
2004
Cited alongside, same era.
D. H. Lyth and Y. Rodriguez, “The inflationary prediction for primordial non-gaussianity,” Phys. Rev. Lett
2005
Cited alongside, same era.
D. Langlois and F. Vernizzi, “Evolution of nonlinear cosmological perturbations,” Phys. Rev. Lett
2005
Cited alongside, same era.
D. Langlois and F. Vernizzi, “Conserved nonlinear quantities in cosmology,” Phys. Rev. D
2005
Cited alongside, same era.
2006
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F. Vernizzi and D. Wands, “Non-Gaussianities in two-field inflation,” JCAP
2006
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L. Alabidi and D. H. Lyth, “Inflation models and observation,” JCAP
2006
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G. I. Rigopoulos, E. P. S. Shellard and B. J. W. van Tent, “Large non-Gaussianity in multiple-field inflation,” Phys. Rev. D
2006
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C. T. Byrnes and D. Wands, “Curvature and isocurvature perturbations from two-field inflation in a slow-roll expansion,” Phys. Rev. D
2006
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D. Langlois and F. Vernizzi, “Nonlinear perturbations of cosmological scalar fields,” JCAP
2007
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2007
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M. Beltran, “Isocurvature, non-gaussianity and the curvaton model,” Phys. Rev. D
2008
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2008
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