Prof Chris Clarkson

Chris Clarkson

Professor of Cosmology
Head of the Astronomy Unit

School of Physical and Chemical Sciences
Queen Mary University of London
ORCID Google Scholar

Research

Cosmology, General Relativity

Interests

I am interested in many areas of cosmology, particularly the large-scale structure of the universe.

Publications

solid heart iconPublications of specific relevance to the Centre for Fundamental Physics

2024

Relevant PublicationUsing relativistic effects in large-scale structure to constrain astrophysical properties of galaxy populations
Blanco DS, Bonvin C, Clarkson C and Maartens R
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2024 (12) 
01-12-2024
Relevant PublicationApparent Parity Violation in the Observed Galaxy Trispectrum
Paul P, Clarkson C and Maartens R
Physical Review Letters, American Physical Society (Aps) vol. 133 (12) 
17-09-2024
bullet iconCovariant cosmography: the observer-dependence of the Hubble parameter
Maartens R, Santiago J, Clarkson C, Kalbouneh B and Marinoni C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2024 (09) 
01-09-2024
Relevant PublicationRelativistic and wide-angle corrections to galaxy power spectra
Jolicoeur S, Guedezounme SL, Maartens R, Paul P, Clarkson C and Camera S
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2024 (08) 
01-08-2024
Relevant PublicationTowards Cosmography of the Local Universe
Adamek J, Clarkson C, Durrer R, Heinesen A, Kunz M and Macpherson HJ
The Open Journal of Astrophysics, Maynooth University vol. 7 
04-06-2024
Relevant PublicationErratum: The observed number counts in luminosity distance space
Fonseca J, Zazzera S, Baker T and Clarkson C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2024 (06) 
01-06-2024
Relevant PublicationMagnification and evolution bias of transient sources: GWs and SNIa
Zazzera S, Fonseca J, Baker T and Clarkson C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2024 (05) 
01-05-2024
Relevant PublicationMulti-tracer power spectra and bispectra: formalism
Karagiannis D, Maartens R, Fonseca J, Camera S and Clarkson C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2024 (03) 
01-03-2024

2023

Relevant PublicationTheoretical Systematics in Testing the Cosmological Principle with the Kinematic Quasar Dipole
Guandalin C, Piat J, Clarkson C and Maartens R
The Astrophysical Journal, American Astronomical Society vol. 953 (2) 
01-08-2023
Relevant PublicationThe observed number counts in luminosity distance space
Fonseca J, Zazzera S, Baker T and Clarkson C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2023 (08) 
01-08-2023
Relevant PublicationWide-angle effects in multi-tracer power spectra with Doppler corrections
Paul P, Clarkson C and Maartens R
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2023 (04) 
01-04-2023
Relevant PublicationEuclid: Testing the Copernican principle with next-generation surveys⋆
Camarena D, Marra V, Sakr Z, Nesseris S, Da Silva A, Garcia-Bellido J, Fleury P, Lombriser L, Martinelli M, Martins CJAP, Mimoso J, Sapone D, Clarkson C, Camera S, Carbone C, Casas S, Ilić S, Pettorino V, Tutusaus I, Aghanim N, et al.
Astronomy & Astrophysics, Edp Sciences vol. 671 
01-03-2023

2022

Relevant PublicationMeasuring dark energy with expansion and growth
Perenon L, Martinelli M, Maartens R, Camera S and Clarkson C
Physics of The Dark Universe, Elsevier vol. 37 
01-09-2022
Relevant PublicationA void in the Hubble tension? The end of the line for the Hubble bubble
Camarena D, Marra V, Sakr Z and Clarkson C
Classical and Quantum Gravity, Iop Publishing vol. 39 (18) 
24-08-2022
Relevant PublicationEuclid: Forecast constraints on consistency tests of the ΛCDM model⋆
Nesseris S, Sapone D, Martinelli M, Camarena D, Marra V, Sakr Z, Garcia-Bellido J, Martins CJAP, Clarkson C, Da Silva A, Fleury P, Lombriser L, Mimoso JP, Casas S, Pettorino V, Tutusaus I, Amara A, Auricchio N, Bodendorf C, Bonino D, et al.
Astronomy & Astrophysics, Edp Sciences vol. 660 
01-04-2022

2021

Relevant PublicationMulti-tasking the growth of cosmological structures
Perenon L, Martinelli M, Ilić S, Maartens R, Lochner M and Clarkson C
Physics of The Dark Universe, Elsevier vol. 34 
01-12-2021
Relevant PublicationMagnification and evolution biases in large-scale structure surveys
Maartens R, Fonseca J, Camera S, Jolicoeur S, Viljoen J-A and Clarkson C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2021 (12) 
01-12-2021
Relevant PublicationAnti-symmetric clustering signals in the observed power spectrum
Fonseca J and Clarkson C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2021 (12) 
01-12-2021
Relevant PublicationThe Copernican principle in light of the latest cosmological data
Camarena D, Marra V, Sakr Z and Clarkson C
Monthly Notices of The Royal Astronomical Society, Oxford University Press (Oup) vol. 509 (1), 1291-1302.  
23-10-2021
Relevant PublicationNull tests of the concordance model in the era of Euclid and the SKA
Bengaly CAP, Clarkson C, Kunz M and Maartens R
Physics of The Dark Universe, Elsevier vol. 33 
01-09-2021
Relevant PublicationMulti-Scale Perturbation Theory II: Solutions and Leading-Order Bispectrum in the $Λ$CDM Universe
Gallagher CS, Clifton T and Clarkson C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 08 
20-08-2021
Relevant PublicationDetecting the relativistic bispectrum in 21cm intensity maps
Jolicoeur S, Maartens R, De Weerd EM, Umeh O, Clarkson C and Camera S
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2021 (06) 
01-06-2021
Relevant PublicationObserving relativistic features in large-scale structure surveys – II. Doppler magnification in an ensemble of relativistic simulations
Coates L, Adamek J, Bull P, Guandalin C and Clarkson C
Monthly Notices of The Royal Astronomical Society vol. 504 (3), 3534-3543.  
21-04-2021
Relevant PublicationLocal primordial non-Gaussianity in the relativistic galaxy bispectrum
Maartens R, Jolicoeur S, Umeh O, De Weerd EM and Clarkson C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2021 (04) 
01-04-2021

2020

Relevant PublicationObserving relativistic features in large-scale structure surveys - I. Multipoles of the power spectrum
Guandalin C, Adamek J, Bull P, Clarkson C, Abramo LR and Coates L
Monthly Notices of The Royal Astronomical Society, Oxford University Press (Oup) vol. 501 (2), 2547-2561.  
17-12-2020
Relevant PublicationWeak-lensing observables in relativistic N-body simulations
Lepori F, Adamek J, Durrer R, Clarkson C and Coates L
Monthly Notices of The Royal Astronomical Society, Oxford University Press (Oup) 
11-07-2020
Relevant PublicationThe Hubble constant tension with next-generation galaxy surveys
Bengaly CAP, Clarkson C and Maartens R
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2020 (05), 053-053.  
29-05-2020
Relevant PublicationMultipoles of the relativistic galaxy bispectrum
de Weerd EM, Clarkson C, Jolicoeur S, Maartens R and Umeh O
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2020 (05), 018-018.  
11-05-2020
Relevant PublicationDetecting the relativistic galaxy bispectrum
Maartens R, Jolicoeur S, Umeh O, Weerd EMD, Clarkson C and Camera S
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2020 (03), 065-065.  
31-03-2020
Relevant PublicationRecursion relations for gravitational lensing
Normann BD and Clarkson C
General Relativity and Gravitation, Springer (Part of Springer Nature) vol. 52 (3) 
16-03-2020
Relevant PublicationMulti-scale perturbation theory. Part I. Methodology and leading-order bispectrum corrections in the matter-dominated era
Gallagher CS, Clifton T and Clarkson C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2020 (03), 011-011.  
03-03-2020
Relevant PublicationFundamental Physics with the Square Kilometer Array
Bull P and others
Publications of The Astronomical Society of Australia, Cambridge University Press (Cup) 
27-01-2020
Relevant PublicationProbing beyond-Horndeski gravity on ultra-large scales
Duniya DGA, Moloi T, Clarkson C, Larena J, Maartens R, Mongwane B and Weltman A
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2020 (01), 033-033.  
14-01-2020

2019

Relevant PublicationA null test to probe the scale dependence of the growth of structure as a test of general relativity
Franco FO, Bonvin C and Clarkson C
Monthly Notices of The Royal Astronomical Society: Letters, Wiley-Blackwell vol. 492 (1), L34-L39.  
29-11-2019
Relevant PublicationBias and scatter in the Hubble diagram from cosmological large-scale structure
Adamek J, Clarkson C, Coates L, Durrer R and Kunz M
Physical Review D, American Physical Society (Aps) vol. 100 (2) 
12-07-2019
Relevant PublicationTesting General Relativity with the Doppler magnification effect
Andrianomena S, Bonvin C, Bacon D, Bull P, Clarkson C, Maartens R and Moloi T
Monthly Notices of The Royal Astronomical Society, Oxford University Press (Oup) 
10-07-2019
Relevant PublicationGeneral relativistic effects in the galaxy bias at second order
Umeh O, Koyama K, Maartens R, Schmidt F and Clarkson C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2019 (05), 020-020.  
13-05-2019
Relevant PublicationThe dipole of the galaxy bispectrum
Clarkson C, de Weerd EM, Jolicoeur S, Maartens R and Umeh O
Monthly Notices of The Royal Astronomical Society: Letters, Oxford University Press (Oup) vol. 486 (1), L101-L104.  
06-05-2019
Relevant PublicationAccurately computing weak lensing convergence
Koksbang SM and Clarkson C
Monthly Notices of The Royal Astronomical Society: Letters, Oxford University Press (Oup) vol. 486 (1), L41-L45.  
20-04-2019
Relevant PublicationImprints of local lightcone projection effects on the galaxy bispectrum IV: second-order vector and tensor contributions
Jolicoeur S, Allahyari A, Clarkson C, Larena J, Umeh O and Maartens R
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2019 (03), 004-004.  
01-03-2019

2018

Relevant PublicationSafely smoothing spacetime: backreaction in relativistic cosmological simulations
Adamek J, Clarkson C, Daverio D, Durrer R and Kunz M
Classical and Quantum Gravity, Iop Publishing vol. 36 (1) 
03-12-2018
Relevant PublicationModel-independent curvature determination with 21 cm intensity mapping experiments
Witzemann A, Bull P, Clarkson C, Santos MG, Spinelli M and Weltman A
Mon. Not. Roy. Astron. Soc. vol. 477, L122-L127.  
18-04-2018
Relevant PublicationImprints of local lightcone projection effects on the galaxy bispectrum. Part III. Relativistic corrections from nonlinear dynamical evolution on large-scales
Jolicoeur S, Umeh O, Maartens R and Clarkson C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2018 (03), 036-036.  
01-03-2018
Relevant PublicationThe kinematic dipole in galaxy redshift surveys
CLARKSON CA, maartens R and Chen S
Journal of Cosmology and Astroparticle Physics 
11-01-2018

2017

Relevant PublicationImprints of local lightcone projection effects on the galaxy bispectrum. II
CLARKSON CA, Maartens R, Umeh O and Jolicoeur S
Journal of Cosmology and Astroparticle Physics, Iop Publishing 
28-10-2017
Relevant PublicationDipolar modulation in the size of galaxies: The effect of Doppler magnification
Bonvin C, Andrianomena S, Bacon D, Clarkson C, Maartens R, Moloi T and Bull P
Mon. Not. Roy. Astron. Soc. vol. 472, 3936-3951.  
12-08-2017
Relevant PublicationHow does the cosmic large-scale structure bias the Hubble diagram?
Fleury P, Clarkson C and Maartens R
Journal of Cosmology and Astroparticle Physics vol. 2017 (03), 062-062.  
31-03-2017
Relevant PublicationA general relativistic signature in the galaxy bispectrum: the local effects of observing on the lightcone
Umeh O, Jolicoeur S, Maartens R and Clarkson C
Journal of Cosmology and Astroparticle Physics vol. 2017 (03), 034-034.  
14-03-2017

2016

Relevant PublicationRoulettes: A weak lensing formalism for strong lensing — II. Derivation and analysis —
CLARKSON CA
Classical and Quantum Gravity, Iop Publishing: Hybrid Open Access 
14-11-2016
Relevant PublicationHIRAX: a probe of dark energy and radio transients
CLARKSON CA and Newburgh LB
Ground-based and Airborne Telescopes VI
08-08-2016
Relevant PublicationRoulettes: a weak lensing formalism for strong lensing - I. Overview
CLARKSON CA
Classical and Quantum Gravity vol. 33 (16) 
25-07-2016
Relevant PublicationLensing and time-delay contributions to galaxy correlations
Raccanelli A, Bertacca D, Maartens R, Clarkson C and Doré O
General Relativity and Gravitation, Springer Nature vol. 48 (7) 
02-06-2016
Relevant PublicationDodging the dark matter degeneracy while determining the dynamics of dark energy
Busti VC and Clarkson C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2016 (05), 008-008.  
03-05-2016

2015

Relevant PublicationCosmological evolution of the gravitational entropy of the large-scale structure
Marozzi G, Uzan J-P, Umeh O and Clarkson C
General Relativity and Gravitation, Springer Nature vol. 47 (10) 
05-09-2015
Relevant PublicationThe general theory of secondary weak gravitational lensing
Clarkson C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2015 (09), 033-033.  
01-09-2015
Relevant PublicationCosmological ensemble and directional averages of observables
Bonvin C, Clarkson C, Durrer R, Maartens R and Umeh O
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2015 (07), 040-040.  
01-07-2015
Relevant PublicationDo we care about the distance to the CMB? Clarifying the impact of second-order lensing
Bonvin C, Clarkson C, Durrer R, Maartens R and Umeh O
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2015 (06), 050-050.  
01-06-2015
Relevant PublicationTesting foundations of modern cosmology with SKA all-sky surveys
Schwarz DJ, Bacon DJ, Chen S, Clarkson C, Huterer D, Kunz M, Maartens R, Raccanelli A, Rubart M and Starck J-L
Proceedings of Advancing Astrophysics with the Square Kilometre Array — PoS(AASKA14)
29-05-2015
Relevant PublicationDoes Small Scale Structure Significantly Affect Cosmological Dynamics?
Adamek J, Clarkson C, Durrer R and Kunz M
Physical Review Letters, American Physical Society (Aps) vol. 114 (5) 
03-02-2015

2014

Relevant PublicationObserved galaxy number counts on the lightcone up to second order: II. Derivation
Bertacca D, Maartens R and Clarkson C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2014 (11), 013-013.  
01-11-2014
Relevant PublicationWhat is the distance to the CMB?
Clarkson C, Umeh O, Maartens R and Durrer R
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2014 (11), 036-036.  
01-11-2014
Relevant PublicationNonlinear relativistic corrections to cosmological distances, redshift and gravitational lensing magnification: I. Key results
Umeh O, Clarkson C and Maartens R
Classical and Quantum Gravity, Iop Publishing vol. 31 (20) 
01-10-2014
Relevant PublicationNonlinear relativistic corrections to cosmological distances, redshift and gravitational lensing magnification: II. Derivation
Umeh O, Clarkson C and Maartens R
Classical and Quantum Gravity, Iop Publishing vol. 31 (20) 
01-10-2014
Relevant PublicationObserved galaxy number counts on the lightcone up to second order: I. Main result
Bertacca D, Maartens R and Clarkson C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2014 (09), 037-037.  
01-09-2014
Relevant PublicationPublisher’s Note: Observational constraints on the averaged universe [Phys. Rev. D 85, 043506 (2012)]
Clarkson C, Clifton T, Coley A and Sung R
Physical Review D, American Physical Society (Aps) vol. 90 (4) 
15-08-2014
Relevant PublicationEvolution of linear perturbations in spherically symmetric dust spacetimes
February S, Larena J, Clarkson C and Pollney D
Classical and Quantum Gravity, Iop Publishing vol. 31 (17) 
13-08-2014
Relevant PublicationCosmology with Doppler lensing
Bacon DJ, Andrianomena S, Clarkson C, Bolejko K and Maartens R
Monthly Notices of The Royal Astronomical Society, Oxford University Press (Oup) vol. 443 (3), 1900-1915.  
25-07-2014
Relevant PublicationNon-linear relativistic contributions to the cosmological weak-lensing convergence
Andrianomena S, Clarkson C, Patel P, Umeh O and Uzan J-P
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2014 (06), 023-023.  
01-06-2014
Relevant PublicationThe Value of H0 from Gaussian Processes
Busti VC, Clarkson C and Seikel M
Proceedings of The International Astronomical Union, Cambridge University Press (Cup) vol. 10 (S306), 25-27.  
01-05-2014
Relevant PublicationEvidence for a lower value for H0 from cosmic chronometers data?
Busti VC, Clarkson C and Seikel M
Monthly Notices of The Royal Astronomical Society: Letters, Oxford University Press (Oup) vol. 441 (1), l11-l15.  
15-04-2014
Relevant PublicationNull tests of the cosmological constant using supernovae
Yahya S, Seikel M, Clarkson C, Maartens R and Smith M
Physical Review D, American Physical Society (Aps) vol. 89 (2) 
09-01-2014

2013

Relevant PublicationTHE EFFECT OF WEAK LENSING ON DISTANCE ESTIMATES FROM SUPERNOVAE
Smith M, Bacon DJ, Nichol RC, Campbell H, Clarkson C, Maartens R, D'Andrea CB, Bassett BA, Cinabro D, Finley DA, Frieman JA, Galbany L, Garnavich PM, Olmstead MD, Schneider DP, Shapiro C and Sollerman J
The Astrophysical Journal, American Astronomical Society vol. 780 (1) 
10-12-2013
Relevant PublicationTesting the Copernican principle by constraining spatial homogeneity
Valkenburg W, Marra V and Clarkson C
Monthly Notices of The Royal Astronomical Society: Letters, Oxford University Press (Oup) vol. 438 (1), l6-l10.  
19-11-2013
Relevant PublicationSupernovae as probes of cosmic parameters: estimating the bias from under-dense lines of sight
Busti VC, Holanda RFL and Clarkson C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2013 (11), 020-020.  
01-11-2013
Relevant PublicationSpherically symmetric cosmological spacetimes with dust and radiation — numerical implementation
Lim WC, Regis M and Clarkson C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2013 (10), 010-010.  
01-10-2013
Relevant PublicationGalaxy correlations and the BAO in a void universe: structure formation as a test of the Copernican Principle
February S, Clarkson C and Maartens R
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2013 (03), 023-023.  
01-03-2013
Relevant PublicationTrouble with physics: Time to ditch Copernicus?
Clarkson C
The New Scientist, Elsevier vol. 217 (2906) 
01-03-2013
Relevant PublicationAntilensing: The Bright Side of Voids
Bolejko K, Clarkson C, Maartens R, Bacon D, Meures N and Beynon E
Physical Review Letters, American Physical Society (Aps) vol. 110 (2) 
10-01-2013

2012

Relevant PublicationTESTING HOMOGENEITY WITH GALAXY STAR FORMATION HISTORIES
Hoyle B, Tojeiro R, Jimenez R, Heavens A, Clarkson C and Maartens R
The Astrophysical Journal Letters, American Astronomical Society vol. 762 (1) 
12-12-2012
Relevant PublicationBeyond the plane-parallel and Newtonian approach: wide-angle redshift distortions and convergence in general relativity
Bertacca D, Maartens R, Raccanelli A and Clarkson C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2012 (10), 025-025.  
01-10-2012
Relevant PublicationUsing H(z) data as a probe of the concordance model
Seikel M, Yahya S, Maartens R and Clarkson C
Physical Review D, American Physical Society (Aps) vol. 86 (8) 
01-10-2012
Relevant Publication(Mis)interpreting supernovae observations in a lumpy universe
Clarkson C, Ellis GFR, Faltenbacher A, Maartens R, Umeh O and Uzan J-P
Monthly Notices of The Royal Astronomical Society, Oxford University Press (Oup) vol. 426 (2), 1121-1136.  
26-09-2012
Relevant PublicationBaryon acoustic oscillations in a cosmic void
February S, Clarkson C and Maartens R
AIP Conference Proceedings. vol. 1458 (1), 387-390.  
07-07-2012
Relevant PublicationEstablishing homogeneity of the universe in the shadow of dark energy
Clarkson C
Comptes Rendus Physique, Cellule Mathdoc/Centre Mersenne vol. 13 (6-7), 682-718.  
01-07-2012
Relevant PublicationReconstruction of dark energy and expansion dynamics using Gaussian processes
Seikel M, Clarkson C and Smith M
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2012 (06), 036-036.  
01-06-2012
Relevant PublicationLocally extracting scalar, vector and tensor modes in cosmological perturbation theory
Clarkson C and Osano B
Classical and Quantum Gravity, Iop Publishing vol. 29 (7) 
20-03-2012
Relevant PublicationObservational constraints on the averaged universe
Clarkson C, Clifton T, Coley A and Sung R
Physical Review D, American Physical Society (Aps) vol. 85 (4) 
07-02-2012
Relevant PublicationDo primordial lithium abundances imply there’s no dark energy?
Regis M and Clarkson C
General Relativity and Gravitation, Springer Nature vol. 44 (3), 567-579.  
01-02-2012
Relevant PublicationIsotropic Blackbody Cosmic Microwave Background Radiation as Evidence for a Homogeneous Universe
Clifton T, Clarkson C and Bull P
Physical Review Letters vol. 109 (5) 
01-01-2012

2011

Relevant PublicationDoes the growth of structure affect our dynamical models of the Universe? The averaging, backreaction, and fitting problems in cosmology
Clarkson C, Ellis G, Larena J and Umeh O
Reports On Progress in Physics, Iop Publishing vol. 74 (11) 
27-10-2011
Relevant PublicationLocally extracting scalar, vector and tensor modes in cosmological perturbation theory
Clarkson C and Osano B
Classical and Quantum Gravity, Iop Publishing vol. 28 (22) 
14-10-2011
Relevant PublicationIs backreaction really small within concordance cosmology?
Clarkson C and Umeh O
Classical and Quantum Gravity, Iop Publishing vol. 28 (16) 
02-08-2011
Relevant PublicationDETERMINING DARK ENERGY
CLARKSON C
Physics Beyond the Standard Models of Particles, Cosmology and Astrophysics., 455-470.  
01-03-2011
Relevant PublicationThe Hubble rate in averaged cosmology
Umeh O, Larena J and Clarkson C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2011 (03), 029-029.  
01-03-2011
Relevant PublicationThe cosmic microwave background in an inhomogeneous universe
Clarkson C and Regis M
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2011 (02), 013-013.  
01-02-2011

2010

Relevant PublicationOn the determination of dark energy
Clarkson C, Alimi J-M and Fuözfa A
AIP Conference Proceedings. vol. 1241 (1), 784-796.  
23-06-2010
Relevant PublicationDirect Reconstruction of Dark Energy
Clarkson C and Zunckel C
Physical Review Letters, American Physical Society (Aps) vol. 104 (21) 
27-05-2010
Relevant PublicationInhomogeneity and the foundations of concordance cosmology
Clarkson C and Maartens R
Classical and Quantum Gravity, Iop Publishing vol. 27 (12) 
27-05-2010
Relevant PublicationRendering dark energy void
February S, Larena J, Smith M and Clarkson C
Monthly Notices of The Royal Astronomical Society, Oxford University Press (Oup) vol. 405 (4), 2231-2242.  
11-05-2010
Relevant PublicationModel independent tests of the standard cosmological model
Shafieloo A and Clarkson C
Physical Review D, American Physical Society (Aps) vol. 81 (8) 
15-04-2010

2009

Relevant PublicationGravitational waves in the black string braneworld
Seahra SS and Clarkson C
Classical and Quantum Gravity, Iop Publishing vol. 26 (24) 
16-11-2009
Relevant PublicationInfluence of structure formation on the cosmic expansion
Clarkson C, Ananda K and Larena J
Physical Review D, American Physical Society (Aps) vol. 80 (8) 
15-10-2009
Relevant PublicationPerturbation Theory in Lemaitre-Tolman-Bondi Cosmology
Clarkson C, Clifton T and February S
Jcap vol. 06 
29-03-2009
Relevant PublicationThe cosmological background of vector modes
Lu TH-C, Ananda K, Clarkson C and Maartens R
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2009 (02), 023-023.  
01-02-2009
Relevant PublicationModel independent constraints on the cosmological expansion rate
Mörtsell E and Clarkson C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2009 (01), 044-044.  
01-01-2009

2008

Relevant PublicationConsistency Tests for the Cosmological Constant
Zunckel C and Clarkson C
Physical Review Letters, American Physical Society (Aps) vol. 101 (18) 
31-10-2008
Relevant PublicationA General Test of the Copernican Principle
Clarkson C, Bassett B and Lu TH-C
Physical Review Letters, American Physical Society (Aps) vol. 101 (1) 
02-07-2008
Relevant PublicationTime Drift of Cosmological Redshifts as a Test of the Copernican Principle
Uzan J-P, Clarkson C and Ellis GFR
Physical Review Letters, American Physical Society (Aps) vol. 100 (19) 
16-05-2008
Relevant PublicationVector modes generated by primordial density fluctuations
Lu TH-C, Ananda K and Clarkson C
Physical Review D, American Physical Society (Aps) vol. 77 (4) 
15-02-2008
Relevant PublicationDark energy degeneracies in the background dynamics
Hlozek R, Cortês M, Clarkson C and Bassett B
General Relativity and Gravitation, Springer Nature vol. 40 (2-3), 285-300.  
08-01-2008
Relevant PublicationPhoton gas dynamics in the early universe
Clarkson C and Marklund M
Physics Letters B, Elsevier vol. 659 (1-2), 54-57.  
01-01-2008

2007

Relevant PublicationCovariant approach for perturbations of rotationally symmetric spacetimes
Clarkson C
Physical Review D, American Physical Society (Aps) vol. 76 (10) 
15-11-2007
Relevant PublicationDynamical dark energy or simply cosmic curvature?
Clarkson C, Cortês M and Bassett B
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2007 (08), 011-011.  
01-08-2007
Relevant PublicationCosmological gravitational wave background from primordial density perturbations
Ananda KN, Clarkson C and Wands D
Physical Review D, American Physical Society (Aps) vol. 75 (12) 
15-06-2007
Relevant PublicationA gravitational wave window on extra dimensions
Clarkson C and Seahra SS
Classical and Quantum Gravity, Iop Publishing vol. 24 (9) 
17-04-2007
Relevant PublicationGravitational waves generated by second order effects during inflation
Osano B, Pitrou C, Dunsby P, Uzan J-P and Clarkson C
Journal of Cosmology and Astroparticle Physics, Iop Publishing vol. 2007 (04), 003-003.  
01-04-2007

2005

Relevant PublicationGRAVITY-WAVE DETECTORS AS PROBES OF EXTRA DIMENSIONS
CLARKSON C and MAARTENS R
International Journal of Modern Physics D, World Scientific Publishing vol. 14 (12), 2347-2353.  
01-12-2005
Relevant PublicationGravity-wave detectors as probes of extra dimensions
Clarkson C and Maartens R
General Relativity and Gravitation, Springer Nature vol. 37 (10), 1681-1687.  
01-10-2005
Relevant PublicationBraneworld resonances
Clarkson C and Seahra SS
Classical and Quantum Gravity, Iop Publishing vol. 22 (17) 
15-08-2005
Relevant PublicationDelocalization of brane gravity by a bulk black hole
Seahra SS, Clarkson C and Maartens R
Classical and Quantum Gravity, Iop Publishing vol. 22 (16) 
26-07-2005
Relevant PublicationThe general relativistic magnetohydrodynamic dynamo equation
Marklund M and Clarkson CA
Monthly Notices of The Royal Astronomical Society, Oxford University Press (Oup) vol. 358 (3), 892-900.  
11-04-2005
Relevant PublicationDetecting Extra Dimensions with Gravity-Wave Spectroscopy: The Black-String Brane World
Seahra SS, Clarkson C and Maartens R
Physical Review Letters, American Physical Society (Aps) vol. 94 (12) 
01-04-2005

2004

Relevant PublicationPublisher's Note: Cosmological density fluctuations and gravity waves: A covariant approach to gauge-invariant nonlinear perturbation theory [Phys. Rev. D 70, 103524 (2004)]
Clarkson C
Physical Review D, American Physical Society (Aps) vol. 70 (12) 
06-12-2004
Relevant PublicationScalar field and electromagnetic perturbations on locally rotationally symmetric spacetimes
Betschart G and Clarkson CA
Classical and Quantum Gravity, Iop Publishing vol. 21 (23) 
17-11-2004
Relevant PublicationCosmological density fluctuations and gravity waves: A covariant approach to gauge-invariant nonlinear perturbation theory
Clarkson C
Physical Review D, American Physical Society (Aps) vol. 70 (10) 
15-11-2004
Relevant PublicationThe Electromagnetic Signature of Black Hole Ring-Down
Clarkson CA, Marklund M, Betschart G and Dunsby PKS
The Astrophysical Journal, American Astronomical Society vol. 613 (1), 492-505.  
20-09-2004

2003

Relevant PublicationCovariant perturbations of Schwarzschild black holes
Clarkson CA and Barrett RK
Classical and Quantum Gravity, Iop Publishing vol. 20 (18) 
21-08-2003
Relevant PublicationInhomogeneous Cosmologies, the Copernican Principle and the Cosmic Microwave Background: More on the EGS Theorem
Clarkson CA, Coley AA, O'Neill ESD, Sussman RA and Barrett RK
General Relativity and Gravitation, Springer Nature vol. 35 (6), 969-990.  
01-06-2003
Relevant PublicationCMB limits on large-scale magnetic fields in an inhomogeneous universe
Clarkson CA, Coley AA, Maartens R and Tsagas CG
Classical and Quantum Gravity, Iop Publishing vol. 20 (8) 
28-03-2003
Relevant PublicationReply to Comment on 'On scaling solutions with a dissipative fluid'
Ibáñez J, Clarkson CA and Coley AA
Classical and Quantum Gravity, Iop Publishing vol. 20 (5) 
17-02-2003

2002

Relevant PublicationOn scaling solutions with a dissipative fluid
Ib??ez J, Clarkson CA and Coley AA
Classical and Quantum Gravity, Iop Publishing vol. 19 (11) 
21-05-2002

2001

Relevant PublicationQualitative properties of magnetic fields in scalar field cosmology
Clarkson CA, Coley AA and Quinlan SD
Physical Review D, American Physical Society (Aps) vol. 64 (12) 
28-11-2001
Relevant PublicationCosmic microwave background and scalar-tensor theories of gravity
Clarkson CA, Coley AA and O’Neill ESD
Physical Review D, American Physical Society (Aps) vol. 64 (6) 
27-08-2001
Relevant PublicationMagnetic fields and the cosmic microwave background
Clarkson CA and Coley AA
Classical and Quantum Gravity, Iop Publishing vol. 18 (7) 
19-03-2001

2000

Relevant PublicationUndermining the cosmological principle: almost isotropic observations in inhomogeneous cosmologies
Barrett RK and Clarkson CA
Classical and Quantum Gravity, Iop Publishing vol. 17 (24) 
05-12-2000

1999

Relevant PublicationDoes the isotropy of the CMB imply a homogeneous universe? Some generalized EGS theorems
Clarkson CA and Barrett RK
Classical and Quantum Gravity, Iop Publishing vol. 16 (12) 
22-10-1999

Grants

solid heart iconGrants of specific relevance to the Centre for Fundamental Physics
solid heart iconAstronomy Research at Queen Mary 2023 - 2026
Chris Clarkson, Richard Nelson, Timothy Clifton, William Sutherland, Edward Gillen, Karim Malik, Thomas Haworth, Sijme-Jan Paardekooper, Theresa Baker, David Mulryne, Philip Bull, Juan A. Valiente Kroon, Charalampos Markakis, Mohammad Mahdi Godazgar, Katy Clough, Pau Figueras and Arick Shao
£1,625,769 Science & Technology Research Council (STFC)
01-04-2023 - 30-09-2026


solid heart iconAstronomy Research at Queen Mary 2020 - 2023
Karim Malik, Philip Bull, Chris Clarkson, Timothy Clifton, Richard Nelson, Sijme-Jan Paardekooper and Juan A. Valiente Kroon
£1,868,745 Science & Technology Research Council (STFC)
01-04-2020 - 31-03-2024
solid heart iconAstromony Researc h at QM
Richard Nelson, Craig Agnor, Guillem Anglada Escude, Timothy Clifton, Karim Malik, Sijme-Jan Paardekooper and Chris Clarkson
£1,289,230 Science & Technology Research Council (STFC)
01-04-2017 - 31-03-2021