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MassiveCosmo SIGNED

Massive Gravity and Cosmology

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Project "MassiveCosmo" data sheet

The following table provides information about the project.

Coordinator
IMPERIAL COLLEGE OF SCIENCE TECHNOLOGY AND MEDICINE 

Organization address
address: SOUTH KENSINGTON CAMPUS EXHIBITION ROAD
city: LONDON
postcode: SW7 2AZ
website: http://www.imperial.ac.uk/

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 United Kingdom [UK]
 Total cost 1˙975˙829 €
 EC max contribution 1˙975˙829 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2016-COG
 Funding Scheme ERC-COG
 Starting year 2017
 Duration (year-month-day) from 2017-05-01   to  2022-04-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    IMPERIAL COLLEGE OF SCIENCE TECHNOLOGY AND MEDICINE UK (LONDON) coordinator 1˙975˙829.00

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 Project objective

The ambition of this research program is to challenge the nature of gravity, provide an alternative to dark energy, and pave the way towards a potential resolution of one the most tantalizing problems of physics today: The Old Cosmological Constant Problem.

As General Relativity celebrates its centennial, its predictive successes and its status as our most elegant theory of gravity are incontrovertible. Nevertheless, while the recent discovery of the late-time acceleration of the Universe is in perfect agreement with observations, the 120 orders of magnitude discrepancy between expectations and observations is one of today's most challenging puzzles and may be the sign of new physics to uncover. This conundrum has driven the development of dark energy models as alternative sources for acceleration, but many of them suffer from a similar discrepancy and require an unnatural tuning of their parameters. Despite decades of attempts, the Old Cosmological Constant Problem remains yet unsolved.

This program proposes a distinct direction to address this problem and to explain the acceleration of the Universe where the graviton, the particle carrier of gravity, has a mass, or is effectively massive. Not only will this open a new panorama for cosmology, it will also answer the fundamental question of the nature of the graviton. Signatures and constraints will be derived through astrophysical and cosmological probes.

While striving to address these fundamental challenges, the program will also elucidate new aspects of massive gravity by establishing its theoretical viability and embedding as an effective field theory. These developments will feed into new breakthroughs that have recently emerged from massive gravity.

As major missions and experiments are underway to probe dark energy and to detect gravitational waves, there is no better time to question gravity at the fundamental level, to provide alternatives to dark energy and to determine their unique signatures.

 Publications

year authors and title journal last update
List of publications.
2019 Claudia de Rham, Scott Melville, Andrew J. Tolley, Shuang-Yong Zhou
Positivity bounds for massive spin-1 and spin-2 fields
published pages: , ISSN: 1029-8479, DOI: 10.1007/JHEP03(2019)182
Journal of High Energy Physics 2019/3 2019-11-22
2018 Gregory Gabadadze, David Pirtskhalava
Boundary terms for massive general relativity
published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.97.124045
Physical Review D 97/12 2019-11-22
2019 Lasma Alberte
Equivalence principle on cosmological backgrounds in scalar–tensor theories
published pages: 225001, ISSN: 0264-9381, DOI: 10.1088/1361-6382/ab41e5
Classical and Quantum Gravity 36/22 2019-11-22
2019 Claudia de Rham
The gravitational rainbow beyond Einstein gravity
published pages: 1942003, ISSN: 0218-2718, DOI: 10.1142/s0218271819420033
International Journal of Modern Physics D 28/05 2019-11-22
2018 Claudia de Rham, Scott Melville, Andrew J. Tolley, Shuang-Yong Zhou
UV complete me: positivity bounds for particles with spin
published pages: , ISSN: 1029-8479, DOI: 10.1007/jhep03(2018)011
Journal of High Energy Physics 2018/3 2019-10-08
2018 Jun Zhang, Shuang-Yong Zhou
Can the graviton have a large mass near black holes?
published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.97.081501
Physical Review D 97/8 2019-10-08
2019 Furqan Dar, Claudia de Rham, J Tate Deskins, John T Giblin, Andrew J Tolley
Scalar gravitational radiation from binaries: Vainshtein mechanism in time-dependent systems
published pages: 25008, ISSN: 0264-9381, DOI: 10.1088/1361-6382/aaf5e8
Classical and Quantum Gravity 36/2 2019-10-08
2018 Claudia de Rham, Kurt Hinterbichler, Laura A. Johnson
On the (A)dS decoupling limits of massive gravity
published pages: , ISSN: 1029-8479, DOI: 10.1007/JHEP09(2018)154
Journal of High Energy Physics 2018/9 2019-10-08
2018 Claudia de Rham, Scott Melville, Andrew J. Tolley
Improved positivity bounds and massive gravity
published pages: , ISSN: 1029-8479, DOI: 10.1007/JHEP04(2018)083
Journal of High Energy Physics 2018/4 2019-10-08
2018 Gabriel Cuomo, Anton de la Fuente, Alexander Monin, David Pirtskhalava, Riccardo Rattazzi
Rotating superfluids and spinning charged operators in conformal field theory
published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.97.045012
Physical Review D 97/4 2019-10-08
2018 Claudia de Rham, Scott Melville
Gravitational Rainbows: LIGO and Dark Energy at its Cutoff
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.121.221101
Physical Review Letters 121/22 2019-10-08

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