Research
Fundamental fields, Black holes, Early Universe, Numerical relativity, General relativity, Gravitational waves
Interests
My research focusses on testing the limits of general relativity and the Standard Model of particle physics, in particular using numerical simulations of the early Universe and the interaction of fundamental fields and particles with black holes.
Publications

Publications of specific relevance to the Centre for Geometry, Analysis and Gravitation
2025
Challenges in the nonlinear evolution of unequal mass binaries in scalar-Gauss-Bonnet gravitySaló LA Doneva DD Clough K Figueras P Yazadjiev SS
Physical Review D,
American Physical Society (Aps) vol. 112 (8)
08-10-2025
Challenges in the nonlinear evolution of unequal mass binaries in sGB gravitySaló LA Doneva DD Clough K Figueras P Yazadjiev SS
In
Arxiv 17-07-2025
Cosmology using numerical relativityAurrekoetxea JC Clough K Lim EA
Living Reviews in Relativity,
Springer Nature vol. 28 (1)
23-06-2025
Inflaton Dynamics in Higher-Derivative Scalar-Tensor Theories of GravityBrady SE Clough K Figueras P Kovács ÁD
In
Arxiv 23-05-2025
Symmetry restoration and vacuum decay from accretion around black holesMarsden J Aurrekoetxea JC Clough K
Physical Review D,
American Physical Society (Aps) vol. 111 (4)
04-02-2025
GRTresna: An open-source code to solve the initial data constraints in numerical relativityAurrekoetxea JC Brady SE Aresté-Saló L Bamber J Chung-Jukko L Clough K de Jong E Elley M et al.
In
Arxiv 22-01-2025
Robustness of inflation to kinetic inhomogeneitiesElley M Aurrekoetxea JC Clough K Flauger R Lim EA
Journal of Cosmology and Astroparticle Physics,
Iop Publishing vol. 2025 (01)
01-01-20252024
Self-interacting scalar dark matter around binary black holesAurrekoetxea JC Marsden J Clough K
Physical Review D,
American Physical Society (Aps) vol. 110 (8)
02-10-2024
Cosmology using numerical relativityAurrekoetxea JC Clough K Lim EA
03-09-2024
Self-interacting scalar dark matter around binary black holesAurrekoetxea JC Marsden J Clough K Ferreira PG
03-09-2024
New Horizons for Psi: Studying fundamental fields with numerical
relativityClough K
14-08-2024
What no one has seen before: gravitational waveforms from warp drive collapseClough K Dietrich T
The Open Journal of Astrophysics,
Maynooth University vol. 7
25-07-2024
Gravitational Magnus effect from scalar dark matterWang Z Helfer T Berti E
Physical Review D,
American Physical Society (Aps) vol. 110 (2)
08-07-2024
What no one has seen before: gravitational waveforms from warp drive
collapseClough K Dietrich T Khan S
04-06-2024
GRFolres: A code for modified gravity simulations in strong gravitySaló LA Brady SE Clough K Doneva D Evstafyeva T Figueras P França T Rossi L et al.
The Journal of Open Source Software,
The Open Journal vol. 9 (98)
01-06-2024
Effect of Wave Dark Matter on Equal Mass Black Hole MergersAurrekoetxea JC Clough K Ferreira PG
Physical Review Letters,
American Physical Society (Aps) vol. 132 (21)
24-05-2024
Robustness of inflation to kinetic inhomogeneitiesElley M Aurrekoetxea JC Clough K Flauger R Giannadakis P Lim EA
06-05-2024
Symmetry restoration and vacuum decay from accretion around black holesMarsden J Aurrekoetxea JC Clough K Ferreira PG
26-03-2024
Gravitational Magnus effect from scalar dark matterWang Z Helfer T Traykova D Clough K Berti E
12-02-20242023
Relativistic drag forces on black holes from scalar dark matter clouds of all sizesTraykova D Vicente R Clough K Helfer T Berti E Ferreira PG
Physical Review D,
American Physical Society (Aps) vol. 108 (12)
14-12-2023
The effect of wave dark matter on equal mass black hole mergersAurrekoetxea JC Clough K Bamber J Ferreira PG
30-11-2023
Tunneling-induced cosmic bounce in the presence of anisotropiesAlexandre J Clough K
Physical Review D,
American Physical Society (Aps) vol. 108 (10)
14-11-2023
Solving the initial conditions problem for modified gravity theoriesBrady SE Saló LA Annamalai PS
Physical Review D,
American Physical Society (Aps) vol. 108 (10)
13-11-2023
Puncture gauge formulation for Einstein-Gauss-Bonnet gravity and four-derivative scalar-tensor theories in d+1 spacetime dimensionsAresté Saló L Clough K
Physical Review D,
American Physical Society vol. 108 (8)
15-10-2023
Testing the limits of scalar-Gauss-Bonnet gravity through nonlinear evolutions of spin-induced scalarizationDoneva DD Saló LA Clough K Figueras P
Physical Review D,
American Physical Society vol. 108 (8)
15-10-2023
GRFolres: A code for modified gravity simulations in strong gravitySaló LA Brady SE Clough K Doneva D Evstafyeva T Figueras P França T Rossi L et al.
In
Arxiv 12-09-2023
Solving the initial conditions problem for modified gravity theoriesBrady SE Saló LA Clough K Figueras P S AP
In
Arxiv 31-08-2023
Cosmology with the Laser Interferometer Space AntennaAuclair P Bacon D Barreiro T Bartolo N Belgacem E Bellomo N Ben-Dayan I Bertacca D et al.
Living Reviews in Relativity,
Springer vol. 26 (1)
28-08-2023
GRDzhadzha: A code for evolving relativistic matter on analytic metric
backgroundsAurrekoetxea JC Bamber J Brady SE Clough K Helfer T Marsden J Traykova D Wang Z
16-08-2023
Tunnelling-induced cosmic bounce in the presence of anisotropiesAlexandre J Clough K Pla S
01-08-2023
Testing the limits of scalar-Gauss-Bonnet gravity through nonlinear evolutions of spin-induced scalarizationDoneva DD Saló LA Clough K Figueras P Yazadjiev SS
In
Arxiv 12-07-2023
Oscillon formation during inflationary preheating with general relativityAurrekoetxea JC Clough K
Physical Review D,
American Physical Society (Aps) vol. 108 (2)
05-07-2023
Puncture gauge formulation for Einstein-Gauss-Bonnet gravity and four-derivative scalar-tensor theories in $d+1$ spacetime dimensionsSaló LA Clough K Figueras P
In
Arxiv 26-06-2023
Relativistic drag forces on black holes from scalar dark matter clouds
of all sizesTraykova D Vicente R Clough K Helfer T Berti E Ferreira PG Hui L
17-05-2023
Oscillon formation during inflationary preheating with general
relativityAurrekoetxea JC Clough K Muia F
04-04-2023
The gravitational afterglow of boson starsCroft R Helfer T Ge B-X Radia M Sperhake U Clough K
Classical and Quantum Gravity,
Iop Publishing vol. 40 (6)
15-02-2023
CTTK: A new method to solve the initial data constraints in numerical relativityAurrekoetxea JC Clough K
Classical and Quantum Gravity,
Iop Publishing 02-02-2023
Black hole merger simulations in wave dark matter environmentsBamber J Aurrekoetxea JC Clough K
Physical Review D,
American Physical Society vol. 107 (2)
26-01-2023
CQG focus issue editorial: bosonic starsClough K Zilhão M
Classical and Quantum Gravity,
Iop Publishing vol. 40 (3)
11-01-20232022
Well-Posedness of the Four-Derivative Scalar-Tensor Theory of Gravity in Singularity Avoiding CoordinatesSaló LA Clough K
Physical Review Letters,
American Physical Society vol. 129 (26)
23-12-2022
Where is the ringdown: Reconstructing quasinormal modes from dispersive wavesAurrekoetxea JC Ferreira PG Clough K Lim EA
Physical Review D,
American Physical Society vol. 106 (10), 104002-104002.
02-11-2022
Black hole merger simulations in wave dark matter environmentsBamber J Aurrekoetxea JC Clough K
17-10-2022
Ghost Instabilities in Self-Interacting Vector Fields: The Problem with Proca Fields.Clough K Helfer T Witek H
Physical Review Letters,
American Physical Society vol. 129 (15), 151102-151102.
07-10-2022
Well-posedness of the four-derivative scalar-tensor theory of gravity in singularity avoiding coordinatesSaló LA Clough K Figueras P
In
Arxiv 30-08-2022
New horizons for fundamental physics with LISAArun KG Belgacem E Benkel R Bernard L Berti E Bertone G Besancon M Blas D et al.
Living Reviews in Relativity,
Springer Nature vol. 25 (1)
30-06-2022
Where is the ringdown? Reconstructing quasinormal modes from dispersive
wavesAurrekoetxea JC Ferreira PG Clough K Lim EA
31-05-2022
New Horizons for Fundamental Physics with LISAArun KG Belgacem E Benkel R Bernard L Berti E Bertone G Besancon M Blas D et al.
In
Arxiv 03-05-2022
The problem with Proca: ghost instabilities in self-interacting vector
fieldsClough K Helfer T Witek H
22-04-2022
Superradiance in massive vector fields with spatially varying massWang Z Helfer T Clough K
20-01-2022
GRChombo: An adaptable numerical relativity code for fundamental physicsAndrade T Salo LA Aurrekoetxea JC Bamber J Clough K Croft R de Jong E Drew A et al.
In
Arxiv 10-01-20222021
GRChombo: An adaptable numerical relativity code for fundamental physicsAndrade T Salo L Aurrekoetxea J Bamber J Clough K Croft R de Jong E Drew A et al.
The Journal of Open Source Software vol. 6 (68), 3703-3703.
10-12-2021
Dynamical friction from scalar dark matter in the relativistic regimeClough K Traykova D Hui L Berti E
Physical Review D: Particles, Fields, Gravitation and Cosmology,
American Physical Society 09-11-2021
Continuity equations for general matter: applications in numerical relativityClough K
Classical and Quantum Gravity vol. 38 (16)
01-08-2021
Dynamical friction from scalar dark matter in the relativistic regimeTraykova D Clough K Helfer T Berti E Hui L
15-06-2021
Quasinormal modes of growing dirty black holesBamber J Tattersall OJ Clough K Ferreira PG
Physical Review D,
American Physical Society (Aps) vol. 103 (12)
07-06-2021
Oscillon collapse to black holesNazari Z Cicoli M Muia F
Journal of Cosmology and Astroparticle Physics,
Iop Publishing vol. 2021 (05)
01-05-2021
Continuity equations for general matter: applications in numerical
relativityClough K
27-04-2021
Growth of accretion driven scalar hair around Kerr black holesBamber J Clough K Ferreira PG
Physical Review D vol. 103 (4)
25-02-20212020
Oscillon collapse to black holesNazari Z Cicoli M Clough K
12-10-2020
Prospects for fundamental physics with LISABarausse E Berti E Hertog T Hughes SA Jetzer P Pani P Sotiriou TP Tamanini N et al.
General Relativity and Gravitation,
Springer (Part of Springer Nature) vol. 52 (8)
31-08-2020
The effects of potential shape on inhomogeneous inflationAurrekoetxea JC Clough K
Journal of Cosmology and Astroparticle Physics,
Iop Publishing vol. 2020 (05), 030-030.
01-05-2020
Prospects for Fundamental Physics with LISABarausse E Berti E Hertog T Hughes SA Jetzer P Pani P Sotiriou TP Tamanini N et al.
In
Arxiv 27-01-20202019
Saving the universe with finite volume effectsAlexandre J Clough K
Physical Review D,
American Physical Society (Aps) vol. 100 (10)
15-11-2019
The Effects of Potential Shape on Inhomogeneous InflationAurrekoetxea JC Clough K Flauger R
28-10-2019
Cooling binary neutron star remnants via nucleon-nucleon-axion bremsstrahlungDietrich T Clough K
Physical Review D,
American Physical Society (Aps) vol. 100 (8)
10-10-2019
Growth of massive scalar hair around a Schwarzschild black holeClough K Ferreira PG Lagos M
Physical Review D,
American Physical Society (Aps) vol. 100 (6)
15-09-2019
The fate of dense scalar starsMuia F Cicoli M Pedro F Quevedo F
Journal of Cosmology and Astroparticle Physics,
Iop Publishing vol. 2019 (07), 044-044.
01-07-2019
Saving the universe with finite volume effectsAlexandre J
25-06-2019
The Fate of Dense Scalar StarsMuia F Cicoli M Clough K Vacca GP
21-06-2019
On the growth of massive scalar hair around a Schwarzschild black holeClough K Ferreira PG
29-04-20192018
Full 3D numerical relativity simulations of neutron star–boson star collisions with BAMDietrich T Ossokine S
Classical and Quantum Gravity,
Iop Publishing vol. 36 (2)
18-12-2018
Neutron star–axion star collisions in the light of multimessenger astronomyDietrich T Day F Clough K
Monthly Notices of The Royal Astronomical Society,
Oxford University Press (OUP) vol. 483 (1), 908-914.
22-11-2018
Axion star collisions with black holes and neutron stars in full 3D numerical relativityClough K Niemeyer JC
Physical Review D,
American Physical Society (Aps) vol. 98 (8)
15-10-2018
On the difficulty of generating gravitational wave turbulence in the early universeClough K Niemeyer JC
Classical and Quantum Gravity,
Iop Publishing vol. 35 (18)
21-08-2018
Axion star collisions with black holes and neutron stars in full 3D
numerical relativityClough K Dietrich T
14-08-2018
Neutron star -- axion star collisions in the light of multi-messenger
astronomyDietrich T Day F Coughlin M
14-08-2018
Black hole interference patterns in flavor oscillationsAlexandre J Clough K
Physical Review D,
American Physical Society (Aps) vol. 98 (4)
06-08-2018
Full 3D Numerical Relativity Simulations of Neutron Star -- Boson Star
Collisions with BAMDietrich T Ossokine S
18-07-2018
Black hole interference patterns in flavour oscillationsAlexandre J
04-05-2018
Robustness of inflation to large tensor perturbationsClough K Flauger R
Journal of Cosmology and Astroparticle Physics,
Iop Publishing vol. 2018 (05), 065-065.
01-05-2018
On the difficulty of generating gravitational wave turbulence in the
early universeClough K Niemeyer JC
28-03-20182017
Robustness of Inflation to Large Tensor PerturbationsClough K Flauger R Lim EA
20-12-2017
Robustness of inflation to inhomogeneous initial conditionsClough K Lim EA DiNunno BS Flauger R Paban S
Journal of Cosmology and Astroparticle Physics,
Iop Publishing vol. 2017 (09), 025-025.
01-09-2017
Scalar Fields in Numerical General RelativityClough K
22-04-2017
Black hole formation from axion starsHelfer T Marsh DJE Clough K Fairbairn M Lim EA
Journal of Cosmology and Astroparticle Physics,
Iop Publishing vol. 2017 (03), 055-055.
01-03-20172016
Black hole formation from axion starsHelfer T Marsh DJE Clough K Fairbairn M Lim EA
15-09-2016
Robustness of Inflation to Inhomogeneous Initial ConditionsClough K Lim EA DiNunno BS Fischler W Flauger R
15-08-2016
Critical Phenomena in Non-spherically Symmetric Scalar Bubble CollapseClough K Lim EA
08-02-20162015
GRChombo: Numerical relativity with adaptive mesh refinementClough K Figueras P Finkel H Kunesch M
Classical and Quantum Gravity,
Iop Publishing vol. 32 (24)
04-12-2015
GRChombo : Numerical Relativity with Adaptive Mesh RefinementClough K Figueras P Finkel H Lim EA
In
Arxiv 11-03-2015
Lessons for adaptive mesh refinement in numerical relativityRadia M Sperhake U Drew A Clough K Figueras P Lim EA Ripley JL Aurrekoetxea JC et al.
Classical and Quantum Gravity,
Iop Publishing
Superradiance in massive vector fields with spatially varying massWang Z Helfer T Clough K Berti E
Physical Review D - Particles, Fields, Gravitation and Cosmology,
American Physical Society