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INFPROBES

Microscopic Probes of Inflationary Cosmology

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EC-Contrib. €

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Partnership

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Project "INFPROBES" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITEIT VAN AMSTERDAM 

Organization address
address: SPUI 21
city: AMSTERDAM
postcode: 1012WX
website: www.uva.nl

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Netherlands [NL]
 Project website http://cosmology.amsterdam
 Total cost 177˙598 €
 EC max contribution 177˙598 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2016
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2017
 Duration (year-month-day) from 2017-10-01   to  2019-09-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITEIT VAN AMSTERDAM NL (AMSTERDAM) coordinator 177˙598.00

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 Project objective

The theory of cosmic inflation is the current paradigm for early universe cosmology. I propose a research and training programme centered around two themes in inflationary cosmology. First, I will determine new signatures of high-energy physics in inflation i) by finding new shapes of non-Gaussianity, in particular signatures from the tower of higher-spin states predicted in high-energy completions of gravity such as string theory, and also ii) by studying natural extensions of the tensor sector, in particular higher spin fields with partial gauge symmetries, and the imprints left by these fields in tensor non-Gaussianity and in the cosmic microwave background (CMB) radiation. To achieve i) and ii), I will use methods of field theory in curved backgrounds, as well as general symmetry properties of cosmological correlation functions. Second, I will study quantum instabilities in de Sitter space, as well as an analogue in flat space, a constant background electric field. The instabilities will be determined by studying response functions and vacuum polarization in strong fields. The signatures proposed in the first theme will provide tools to perform particle spectroscopy and determine the field content of inflation. The effects proposed in the second theme are a potential microscopic mechanism for the dynamics of inflation. This programme will be conducted at the University of Amsterdam, giving me access to a wide network of collaborators in the fields of high-energy physics and cosmology, and provide me extensive training in various aspects of inflationary cosmology, CMB physics, string theory and the dynamics of systems out of equilibrium. The skills acquired in this proposal will tie excellently with my previous formation in cosmological perturbation theory, single-field inflation, and the dS/CFT correspondence.

 Publications

year authors and title journal last update
List of publications.
2018 Daniel Baumann, Garrett Goon, Hayden Lee, Guilherme L. Pimentel
Partially massless fields during inflation
published pages: , ISSN: 1029-8479, DOI: 10.1007/JHEP04(2018)140
Journal of High Energy Physics 2018/4 2020-03-11
2019 Baumann, Daniel; Duaso Pueyo, Carlos; Joyce, Austin; Lee, Hayden; and L. Pimentel, Guilherme
The Cosmological Bootstrap: Weight-Shifting Operators and Scalar Seeds
published pages: , ISSN: , DOI:
2020-03-11
2019 Pimentel, Guilherme L.; Stout, John
Real-Time Corrections to the Effective Potential
published pages: , ISSN: , DOI:
2020-03-11
2019 Arkani-Hamed, Nima; Baumann, Daniel; Lee, Hayden; L. Pimentel, Guilherme
The Cosmological Bootstrap: Inflationary Correlators from Symmetries and Singularities
published pages: , ISSN: , DOI:
2020-03-11
2019 Meerburg, Daan; Green, Daniel; Baumann, Daniel; Chisari, Elisa; Dvorkin, Cora; Flauger, Raphael; Foreman, Simon; Goon, Garrett; Lee, Hayden; Loverde, Marilena; Marsh, M.C. David; Dizgah, Azadeh Moradinezhad; Pajer, Enrico; L. Pimentel, Guilherme; Silverstein, Eva; Slosar, Anze; Wallisch, Benjamin; and Wandelt, Benjamin.
Primordial Non-Gaussianity (Astro 2020 White Paper)
published pages: , ISSN: , DOI:
2020-03-11
2018 Guilherme L. Pimentel, Alexander M. Polyakov, Grigory M. Tarnopolsky
Vacua on the Brink of Decay
published pages: 1840013, ISSN: 0129-055X, DOI: 10.1142/S0129055X18400135
Reviews in Mathematical Physics 30/07 2020-03-11

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