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Primordial non-Gaussianity signatures of extremely heavy particles are re-examined within a simple alternative to the standard inflationary paradigm, in which the primordial fluctuations and the inflationary spacetime expansion are sourced by two different fields.
1903
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1905
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1907
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S. Lu, Y. Wang, and Z.-Z. Xianyu, A Cosmological Higgs Collider
1907
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1907
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2002
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2002
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2002
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2003
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J. M. Maldacena, Non-Gaussian features of primordial fluctuations in single field inflationary models
2003
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M. Alishahiha, E. Silverstein, and D. Tong, DBI in the sky
2004
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A. Loeb and M. Zaldarriaga, Measuring the small - scale power spectrum of cosmic density fluctuations through 21 cm tomography prior to the epoch of structure formation
2004
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N. Bartolo, S. Matarrese, and A. Riotto, On nonGaussianity in the curvaton scenario
2004
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P. Creminelli and M. Zaldarriaga, Single field consistency relation for the 3-point function
2004
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D. H. Lyth and Y. Rodriguez, The Inflationary prediction for primordial non-Gaussianity
2005
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J. E. Kim, H. P. Nilles, and M. Peloso, Completing natural inflation
2005
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M. Sasaki, J. Valiviita, and D. Wands, Non-Gaussianity of the primordial perturbation in the curvaton model
Y. Bai and B. A. Stefanek, Natural millicharged inflation
2015
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A. de la Fuente, P. Saraswat, and R. Sundrum, Natural Inflation and Quantum Gravity
2015
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2016
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2016
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X. Chen, Y. Wang, and Z.-Z. Xianyu, Standard Model Background of the Cosmological Collider
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2006
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2008
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X. Chen and Y. Wang, Quasi-Single Field Inflation and Non-Gaussianities
2010
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D. Baumann, Inflation · 2011
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D. Baumann and D. Green, Equilateral Non-Gaussianity and New Physics on the Horizon
2011
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D. Baumann and D. Green, Signatures of Supersymmetry from the Early Universe
2012
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V. Assassi, D. Baumann, and D. Green, On Soft Limits of Inflationary Correlation Functions
2012
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2017
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X. Chen, Y. Wang, and Z.-Z. Xianyu, Standard Model Mass Spectrum in Inflationary Universe
2017
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X. Chen, Y. Wang, and Z.-Z. Xianyu, Schwinger-Keldysh Diagrammatics for Primordial Perturbations
2017
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A. Kehagias and A. Riotto, On the Inflationary Perturbations of Massive Higher-Spin Fields
2017
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P. D. Meerburg, M. Munchmeyer, J. B. Muñoz, and X. Chen, Prospects for Cosmological Collider Physics
2017
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2018
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S. Kumar and R. Sundrum, Heavy-Lifting of Gauge Theories By Cosmic Inflation
2018
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D. Baumann, G. Goon, H. Lee, and G. L. Pimentel, Partially Massless Fields During Inflation
2018
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X. Chen, Y. Wang, and Z.-Z. Xianyu, Neutrino Signatures in Primordial Non-Gaussianities
2018
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2018
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2018
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2019
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2019
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