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Unveiling the dark universe with gravitational waves: Black holes and compact stars as laboratories for fundamental physics

Total Cost €


EC-Contrib. €






Project "DarkGRA" data sheet

The following table provides information about the project.


Organization address
address: Piazzale Aldo Moro 5
city: ROMA
postcode: 185

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 Italy [IT]
 Project website
 Total cost 1˙337˙480 €
 EC max contribution 1˙337˙480 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2017-STG
 Funding Scheme ERC-STG
 Starting year 2017
 Duration (year-month-day) from 2017-10-01   to  2022-09-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

In recent years, our theoretical understanding of the strong-field regime of gravity has grown in parallel with the observational confirmations that culminated in the landmark detection of gravitational waves (GWs). This synergy of breakthroughs at the observational, technical, and conceptual level offers the unprecedented opportunity to merge traditionally disjoint areas, and to make strong gravity a precision tool to probe fundamental physics.

The aim of the DarkGRA project is to investigate novel effects related to strong gravitational sources -such as black holes (BHs) and compact stars- that can be used to turn these objects into cosmic labs, where matter in extreme conditions, particle physics, and the very foundations of Einstein's theory of gravity can be put to the test. In this context, we propose to explore some outstanding, cross-cutting problems in fundamental physics: the existence of extra light fields, the limits of classical gravity, the nature of BHs and of spacetime singularities, and the effects of dark matter near compact objects. Our ultimate goal is to probe fundamental physics in the most extreme gravitational settings and to devise new approaches for detection, complementary to laboratory searches. This groundbreaking research program -located at the interface between particle physics, astrophysics and gravitation- is now made possible by novel techniques to scrutinize astrophysical compact objects, by current and future GW and X-ray detectors, and by the astonishing precision of pulsar timing. If supported by a solid theoretical framework, these new observations can potentially lead to surprising discoveries and paradigm shifts in our understanding of the fundamental laws of nature at all scales.


year authors and title journal last update
List of publications.
2018 Vitor Cardoso, Gonçalo Castro, Andrea Maselli
Gravitational Waves in Massive Gravity Theories: Waveforms, Fluxes, and Constraints from Extreme-Mass-Ratio Mergers
published pages: , ISSN: 0031-9007, DOI: 10.1103/physrevlett.121.251103
Physical Review Letters 121/25 2019-06-06
2018 Paolo Pani, Valeria Ferrari
On gravitational-wave echoes from neutron-star binary coalescences
published pages: 15LT01, ISSN: 0264-9381, DOI: 10.1088/1361-6382/aacb8f
Classical and Quantum Gravity 35/15 2019-06-06
2018 Tiziano Abdelsalhin, Leonardo Gualtieri, Paolo Pani
Post-Newtonian spin-tidal couplings for compact binaries
published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.98.104046
Physical Review D 98/10 2019-06-06
2017 Laura Sberna, Paolo Pani
Nonsingular solutions and instabilities in Einstein-scalar-Gauss-Bonnet cosmology
published pages: , ISSN: 2470-0010, DOI: 10.1103/physrevd.96.124022
Physical Review D 96/12 2019-06-06
2016 Jose Luis Blázquez-Salcedo, Vitor Cardoso, Valeria Ferrari, Leonardo Gualtieri, Panagiota Kanti, Fech Scen Khoo, Burkhard Kleihaus, Jutta Kunz, Caio F. B. Macedo, Sindy Mojica, Paolo Pani, Eugen Radu
Black holes in Einstein-Gauß-Bonnet-dilaton theory
published pages: 265-272, ISSN: 1743-9213, DOI: 10.1017/S1743921316012965
Proceedings of the International Astronomical Union 12/S324 2019-06-06
2019 Helvi Witek, Leonardo Gualtieri, Paolo Pani, Thomas P. Sotiriou
Black holes and binary mergers in scalar Gauss-Bonnet gravity: Scalar field dynamics
published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.99.064035
Physical Review D 99/6 2019-06-06
2018 Xisco Jiménez Forteza, Tiziano Abdelsalhin, Paolo Pani, Leonardo Gualtieri
Impact of high-order tidal terms on binary neutron-star waveforms
published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.98.124014
Physical Review D 98/12 2019-06-06
2017 Elisa Maggio, Paolo Pani, Valeria Ferrari
Exotic compact objects and how to quench their ergoregion instability
published pages: , ISSN: 2470-0010, DOI: 10.1103/physrevd.96.104047
Physical Review D 96/10 2019-06-06
2019 Raposo, Guilherme; Pani, Paolo; Bezares, Miguel; Palenzuela, Carlos; Cardoso, Vitor
Anisotropic stars as ultracompact objects in General Relativity
published pages: , ISSN: 2470-0010, DOI:
Physical Review D 5 2019-06-06
2017 Carlos Palenzuela, Paolo Pani, Miguel Bezares, Vitor Cardoso, Luis Lehner, Steven Liebling
Gravitational wave signatures of highly compact boson star binaries
published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.96.104058
Physical Review D 96/10 2019-06-06
2019 George Pappas, Daniela D. Doneva, Thomas P. Sotiriou, Stoytcho S. Yazadjiev, Kostas D. Kokkotas
Multipole moments and universal relations for scalarized neutron stars
published pages: , ISSN: 2470-0010, DOI: 10.1103/physrevd.99.104014
Physical Review D 99/10 2019-06-06
2019 Elisa Maggio, Vitor Cardoso, Sam R. Dolan, Paolo Pani
Ergoregion instability of exotic compact objects: Electromagnetic and gravitational perturbations and the role of absorption
published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.99.064007
Physical Review D 99/6 2019-06-06
2019 Giuseppe Ficarra, Paolo Pani, Helvi Witek
Impact of multiple modes on the black-hole superradiant instability
published pages: , ISSN: 2470-0010, DOI: 10.1103/physrevd.99.104019
Physical Review D 99/10 2019-06-06
2018 Paolo Pani, Leonardo Gualtieri, Tiziano Abdelsalhin, Xisco Jiménez-Forteza
Magnetic tidal Love numbers clarified
published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.98.124023
Physical Review D 98/12 2019-06-06
2018 Enrico Barausse, Richard Brito, Vitor Cardoso, Irina Dvorkin, Paolo Pani
The stochastic gravitational-wave background in the absence of horizons
published pages: 20LT01, ISSN: 0264-9381, DOI: 10.1088/1361-6382/aae1de
Classical and Quantum Gravity 35/20 2019-06-06
2018 Vitor Cardoso, Óscar J.C. Dias, Gavin S. Hartnett, Matthew Middleton, Paolo Pani, Jorge E. Santos
Constraining the mass of dark photons and axion-like particles through black-hole superradiance
published pages: 043-043, ISSN: 1475-7516, DOI: 10.1088/1475-7516/2018/03/043
Journal of Cosmology and Astroparticle Physics 2018/03 2019-06-06
2019 Guilherme Raposo, Paolo Pani, Roberto Emparan
Exotic compact objects with soft hair
published pages: , ISSN: 2470-0010, DOI: 10.1103/physrevd.99.104050
Physical Review D 99/10 2019-06-06
2018 Adriano Testa, Paolo Pani
Analytical template for gravitational-wave echoes: Signal characterization and prospects of detection with current and future interferometers
published pages: , ISSN: 2470-0010, DOI: 10.1103/PhysRevD.98.044018
Physical Review D 98/4 2019-06-06
2019 Alessandra De Rosa, Phil Uttley, LiJun Gou, Yuan Liu, Cosimo Bambi, Didier Barret, Tomaso Belloni, Emanuele Berti, Stefano Bianchi, Ilaria Caiazzo, Piergiorgio Casella, Marco Feroci, Valeria Ferrari, Leonardo Gualtieri, Jeremy Heyl, Adam Ingram, Vladimir Karas, FangJun Lu, Bin Luo, Giorgio Matt, Sara Motta, Joseph Neilsen, Paolo Pani, Andrea Santangelo, XinWen Shu, JunFeng Wang, Jian-Min Wang, YongQuan Xue, YuPeng Xu, WeiMin Yuan, YeFei Yuan, Shuang-Nan Zhang, Shu Zhang, Ivan Agudo, Lorenzo Amati, Nils Andersson, Cristina Baglio, Pavel Bakala, Altan Baykal, Sudip Bhattacharyya, Ignazio Bombaci, Niccoló Bucciantini, Fiamma Capitanio, Riccardo Ciolfi, Wei K. Cui, Filippo D’Ammando, Thomas Dauser, Melania Del Santo, Barbara De Marco, Tiziana Di Salvo, Chris Done, Michal Dovčiak, Andrew C. Fabian, Maurizio Falanga, Angelo Francesco Gambino, Bruce Gendre, Victoria Grinberg, Alexander Heger, Jeroen Homan, Rosario Iaria, JiaChen Jiang, ChiChuan Jin, Elmar Koerding, Manu Linares, Zhu Liu, Thomas J. Maccarone, Julien Malzac, Antonios Manousakis, Frédéric Marin, Andrea Marinucci, Missagh Mehdipour, Mariano Méndez, Simone Migliari, Cole Miller, Giovanni Miniutti, Emanuele Nardini, Paul T. O’Brien, Julian P. Osborne, Pierre Olivier Petrucci, Andrea Possenti, Alessandro Riggio, Jerome Rodriguez, Andrea Sanna, LiJing Shao, Malgosia Sobolewska, Eva Sramkova, Abigail L. Stevens, Holger Stiele, Giulia Stratta, Zdenek Stuchlik, Jiri Svoboda, Fabrizio Tamburini, Thomas M. Tauris, Francesco Tombesi, Gabriel Torok, Martin Urbanec, Frederic Vincent, QingWen Wu, Feng Yuan, Jean J. M. in’ t Zand, Andrzej A. Zdziarski, XinLin Zhou
Accretion in strong field gravity with eXTP
published pages: , ISSN: 1674-7348, DOI: 10.1007/s11433-018-9297-0
Science China Physics, Mechanics & Astronomy 62/2 2019-06-06
2018 Vitor Cardoso, Masashi Kimura, Andrea Maselli, Leonardo Senatore
Black Holes in an Effective Field Theory Extension of General Relativity
published pages: , ISSN: 0031-9007, DOI: 10.1103/physrevlett.121.251105
Physical Review Letters 121/25 2019-06-06
2018 Andrea Maselli, Paolo Pani, Vitor Cardoso, Tiziano Abdelsalhin, Leonardo Gualtieri, Valeria Ferrari
Probing Planckian Corrections at the Horizon Scale with LISA Binaries
published pages: , ISSN: 0031-9007, DOI: 10.1103/PhysRevLett.120.081101
Physical Review Letters 120/8 2019-06-06

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