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arXiv · 1903.04409

Primordial Non-Gaussianity

P. Daniel Meerburg·Daniel Green·Muntazir Abidi·Mustafa A. Amin·Peter Adshead·Zeeshan Ahmed·David Alonso·Behzad Ansarinejad·Robert Armstrong·Santiago Avila·Carlo Baccigalupi·Tobias Baldauf·Mario Ballardini·Kevin Bandura·Nicola Bartolo·Nicholas Battaglia·Daniel Baumann·Chetan Bavdhankar·José Luis Bernal·Florian Beutler·Matteo Biagetti·Colin Bischoff·Jonathan Blazek·J. Richard Bond·Julian Borrill·François R. Bouchet·Philip Bull·Cliff Burgess·Christian Byrnes·Erminia Calabrese·John E. Carlstrom·Emanuele Castorina·Anthony Challinor·Tzu-Ching Chang·Jonas Chaves-Montero·Xingang Chen·Christophe Yeche·Asantha Cooray·William Coulton·Thomas Crawford·Elisa Chisari·Francis-Yan Cyr-Racine·Guido D'Amico·Paolo de Bernardis·Axel de la Macorra·Olivier Doré·Adri Duivenvoorden·Joanna Dunkley·Cora Dvorkin·Alexander Eggemeier·Stephanie Escoffier·Tom Essinger-Hileman·Matteo Fasiello·Simone Ferraro·Raphael Flauger·Andreu Font-Ribera·Simon Foreman·Oliver Friedrich·Juan Garcia-Bellido·Martina Gerbino·Vera Gluscevic·Garrett Goon·Krzysztof M. Gorski·Jon E. Gudmundsson·Nikhel Gupta·Shaul Hanany·Will Handley·Adam J. Hawken·J. Colin Hill·Christopher M. Hirata·Renée Hložek·Gilbert Holder·Dragan Huterer·Marc Kamionkowski·Kirit S. Karkare·Ryan E. Keeley·William Kinney·Theodore Kisner·Jean-Paul Kneib·Lloyd Knox·Savvas M. Koushiappas·Ely D. Kovetz·Kazuya Koyama·Benjamin L'Huillier·Ofer Lahav·Massimiliano Lattanzi·Hayden Lee·Michele Liguori·Marilena Loverde·Mathew Madhavacheril·Juan Maldacena·M. C. David Marsh·Kiyoshi Masui·Sabino Matarrese·Liam McAllister·Jeff McMahon·Matthew McQuinn·Joel Meyers·Mehrdad Mirbabayi·Azadeh Moradinezhad Dizgah
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Abstract

Our current understanding of the Universe is established through the pristine measurements of structure in the cosmic microwave background (CMB) and the distribution and shapes of galaxies tracing the large scale structure (LSS) of the Universe. One key ingredient that underlies cosmological observables is that the field that sources the observed structure is assumed to be initially Gaussian with high precision. Nevertheless, a minimal deviation from Gaussianityis perhaps the most robust theoretical prediction of models that explain the observed Universe; itis necessarily present even in the simplest scenarios. In addition, most inflationary models produce far higher levels of non-Gaussianity. Since non-Gaussianity directly probes the dynamics in the early Universe, a detection would present a monumental discovery in cosmology, providing clues about physics at energy scales as high as the GUT scale.

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P. Daniel Meerburg, Daniel Green, Muntazir Abidi, Mustafa A. Amin, Peter Adshead, Zeeshan Ahmed, David Alonso, Behzad Ansarinejad, Robert Armstrong, Santiago Avila, Carlo Baccigalupi, Tobias Baldauf, Mario Ballardini, Kevin Bandura, Nicola Bartolo, Nicholas Battaglia, Daniel Baumann, Chetan Bavdhankar, José Luis Bernal, Florian Beutler, Matteo Biagetti, Colin Bischoff, Jonathan Blazek, J. Richard Bond, Julian Borrill, François R. Bouchet, Philip Bull, Cliff Burgess, Christian Byrnes, Erminia Calabrese, John E. Carlstrom, Emanuele Castorina, Anthony Challinor, Tzu-Ching Chang, Jonas Chaves-Montero, Xingang Chen, Christophe Yeche, Asantha Cooray, William Coulton, Thomas Crawford, Elisa Chisari, Francis-Yan Cyr-Racine, Guido D'Amico, Paolo de Bernardis, Axel de la Macorra, Olivier Doré, Adri Duivenvoorden, Joanna Dunkley, Cora Dvorkin, Alexander Eggemeier, Stephanie Escoffier, Tom Essinger-Hileman, Matteo Fasiello, Simone Ferraro, Raphael Flauger, Andreu Font-Ribera, Simon Foreman, Oliver Friedrich, Juan Garcia-Bellido, Martina Gerbino, Vera Gluscevic, Garrett Goon, Krzysztof M. Gorski, Jon E. Gudmundsson, Nikhel Gupta, Shaul Hanany, Will Handley, Adam J. Hawken, J. Colin Hill, Christopher M. Hirata, Renée Hložek, Gilbert Holder, Dragan Huterer, Marc Kamionkowski, Kirit S. Karkare, Ryan E. Keeley, William Kinney, Theodore Kisner, Jean-Paul Kneib, Lloyd Knox, Savvas M. Koushiappas, Ely D. Kovetz, Kazuya Koyama, Benjamin L'Huillier, Ofer Lahav, Massimiliano Lattanzi, Hayden Lee, Michele Liguori, Marilena Loverde, Mathew Madhavacheril, Juan Maldacena, M. C. David Marsh, Kiyoshi Masui, Sabino Matarrese, Liam McAllister, Jeff McMahon, Matthew McQuinn, Joel Meyers, Mehrdad Mirbabayi, Azadeh Moradinezhad Dizgah. 2019-03-11. Primordial Non-Gaussianity. https://arxiv.org/abs/1903.04409

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