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

Relevant PublicationPublications of specific relevance to the Centre for Fundamental Physics

2023

Relevant PublicationGuandalin C, Piat J, Clarkson C and Maartens R (2023). Theoretical Systematics in Testing the Cosmological Principle with the Kinematic Quasar Dipole. The Astrophysical Journal, American Astronomical Society vol. 953 (2) 
01-08-2023
Relevant PublicationFonseca J, Zazzera S, Baker T and Clarkson C (2023). The observed number counts in luminosity distance space. Journal of Cosmology and Astroparticle Physics, IOP Publishing vol. 2023 (08) 
01-08-2023
Relevant PublicationPaul P, Clarkson C and Maartens R (2023). Wide-angle effects in multi-tracer power spectra with Doppler corrections. Journal of Cosmology and Astroparticle Physics, IOP Publishing vol. 2023 (04) 
01-04-2023
Relevant PublicationCamarena 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. (2023). Euclid: Testing the Copernican principle with next-generation surveys⋆. Astronomy & Astrophysics, EDP Sciences vol. 671 
01-03-2023

2022

Relevant PublicationPerenon L, Martinelli M, Maartens R, Camera S and Clarkson C (2022). Measuring dark energy with expansion and growth. Physics of the Dark Universe, Elsevier vol. 37 
01-09-2022
Relevant PublicationCamarena D, Marra V, Sakr Z and Clarkson C (2022). A void in the Hubble tension? The end of the line for the Hubble bubble. Classical and Quantum Gravity, IOP Publishing vol. 39 (18) 
24-08-2022
Relevant PublicationNesseris 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. (2022). Euclid: Forecast constraints on consistency tests of the ΛCDM model⋆. Astronomy & Astrophysics, EDP Sciences vol. 660 
01-04-2022

2021

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

2020

Relevant PublicationGuandalin C, Adamek J, Bull P, Clarkson C, Abramo LR and Coates L (2020). Observing relativistic features in large-scale structure surveys - I. Multipoles of the power spectrum. Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP) vol. 501 (2), 2547-2561.  
17-12-2020
Relevant PublicationLepori F, Adamek J, Durrer R, Clarkson C and Coates L (2020). Weak-lensing observables in relativistic N-body simulations. Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP) 
11-07-2020
Relevant PublicationBengaly CAP, Clarkson C and Maartens R (2020). The Hubble constant tension with next-generation galaxy surveys. Journal of Cosmology and Astroparticle Physics, IOP Publishing vol. 2020 (05), 053-053.  
29-05-2020
Relevant Publicationde Weerd EM, Clarkson C, Jolicoeur S, Maartens R and Umeh O (2020). Multipoles of the relativistic galaxy bispectrum. Journal of Cosmology and Astroparticle Physics, IOP Publishing vol. 2020 (05), 018-018.  
11-05-2020
Relevant PublicationMaartens R, Jolicoeur S, Umeh O, Weerd EMD, Clarkson C and Camera S (2020). Detecting the relativistic galaxy bispectrum. Journal of Cosmology and Astroparticle Physics, IOP Publishing vol. 2020 (03), 065-065.  
31-03-2020
Relevant PublicationNormann BD and Clarkson C (2020). Recursion relations for gravitational lensing. General Relativity and Gravitation, Springer (part of Springer Nature) vol. 52 (3) 
16-03-2020
Relevant PublicationGallagher CS, Clifton T and Clarkson C (2020). Multi-scale perturbation theory. Part I. Methodology and leading-order bispectrum corrections in the matter-dominated era. Journal of Cosmology and Astroparticle Physics, IOP Publishing vol. 2020 (03), 011-011.  
03-03-2020
Relevant PublicationBull P and others (2020). Fundamental Physics with the Square Kilometer Array. Publications of the Astronomical Society of Australia, Cambridge University Press (CUP) 
27-01-2020
Relevant PublicationDuniya DGA, Moloi T, Clarkson C, Larena J, Maartens R, Mongwane B and Weltman A (2020). Probing beyond-Horndeski gravity on ultra-large scales. Journal of Cosmology and Astroparticle Physics, IOP Publishing vol. 2020 (01), 033-033.  
14-01-2020

2019

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

2018

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

2017

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

2016

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

2015

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

2014

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

2013

Relevant PublicationSmith 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 (2013). THE EFFECT OF WEAK LENSING ON DISTANCE ESTIMATES FROM SUPERNOVAE. The Astrophysical Journal, American Astronomical Society vol. 780 (1) 
10-12-2013
Relevant PublicationValkenburg W, Marra V and Clarkson C (2013). Testing the Copernican principle by constraining spatial homogeneity. Monthly Notices of the Royal Astronomical Society: Letters, Oxford University Press (OUP) vol. 438 (1), l6-l10.  
18-11-2013
Relevant PublicationBusti VC, Holanda RFL and Clarkson C (2013). Supernovae as probes of cosmic parameters: estimating the bias from under-dense lines of sight. Journal of Cosmology and Astroparticle Physics, IOP Publishing vol. 2013 (11), 020-020.  
01-11-2013
Relevant PublicationLim WC, Regis M and Clarkson C (2013). Spherically symmetric cosmological spacetimes with dust and radiation — numerical implementation. Journal of Cosmology and Astroparticle Physics, IOP Publishing vol. 2013 (10), 010-010.  
01-10-2013
Relevant PublicationFebruary S, Clarkson C and Maartens R (2013). Galaxy correlations and the BAO in a void universe: structure formation as a test of the Copernican Principle. Journal of Cosmology and Astroparticle Physics, IOP Publishing vol. 2013 (03), 023-023.  
01-03-2013
Relevant PublicationClarkson C (2013). Trouble with physics: Time to ditch Copernicus? The New Scientist, Elsevier vol. 217 (2906) 
01-03-2013
Relevant PublicationBolejko K, Clarkson C, Maartens R, Bacon D, Meures N and Beynon E (2013). Antilensing: The Bright Side of Voids. Physical Review Letters, American Physical Society (APS) vol. 110 (2) 
10-01-2013

2012

Relevant PublicationHoyle B, Tojeiro R, Jimenez R, Heavens A, Clarkson C and Maartens R (2012). TESTING HOMOGENEITY WITH GALAXY STAR FORMATION HISTORIES. The Astrophysical Journal Letters, American Astronomical Society vol. 762 (1) 
12-12-2012
Relevant PublicationBertacca D, Maartens R, Raccanelli A and Clarkson C (2012). Beyond the plane-parallel and Newtonian approach: wide-angle redshift distortions and convergence in general relativity. Journal of Cosmology and Astroparticle Physics, IOP Publishing vol. 2012 (10), 025-025.  
01-10-2012
Relevant PublicationSeikel M, Yahya S, Maartens R and Clarkson C (2012). Using H(z) data as a probe of the concordance model. Physical Review D, American Physical Society (APS) vol. 86 (8) 
01-10-2012
Relevant PublicationClarkson C, Ellis GFR, Faltenbacher A, Maartens R, Umeh O and Uzan J (2012). (Mis)interpreting supernovae observations in a lumpy universe. Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP) vol. 426 (2), 1121-1136.  
26-09-2012
Relevant PublicationFebruary S, Clarkson C and Maartens R (2012). Baryon acoustic oscillations in a cosmic void. 
07-07-2012
Relevant PublicationClarkson C (2012). Establishing homogeneity of the universe in the shadow of dark energy. Comptes Rendus Physique, Cellule MathDoc/CEDRAM vol. 13 (6-7), 682-718.  
01-07-2012
Relevant PublicationSeikel M, Clarkson C and Smith M (2012). Reconstruction of dark energy and expansion dynamics using Gaussian processes. Journal of Cosmology and Astroparticle Physics, IOP Publishing vol. 2012 (06), 036-036.  
01-06-2012
Relevant PublicationClarkson C and Osano B (2012). Locally extracting scalar, vector and tensor modes in cosmological perturbation theory. Classical and Quantum Gravity, IOP Publishing vol. 29 (7) 
20-03-2012
Relevant PublicationClarkson C, Clifton T, Coley A and Sung R (2012). Observational constraints on the averaged universe. Physical Review D, American Physical Society (APS) vol. 85 (4) 
07-02-2012
Relevant PublicationRegis M and Clarkson C (2012). Do primordial lithium abundances imply there’s no dark energy? General Relativity and Gravitation, Springer Nature vol. 44 (3), 567-579.  
01-02-2012
Relevant PublicationClifton T, Clarkson C and Bull P (2012). Isotropic Blackbody Cosmic Microwave Background Radiation as Evidence for a Homogeneous Universe. PHYSICAL REVIEW LETTERS vol. 109 (5) 
01-01-2012

2011

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

2010

Relevant PublicationClarkson C, Alimi J-M and Fuözfa A (2010). On the determination of dark energy. 
23-06-2010
Relevant PublicationClarkson C and Zunckel C (2010). Direct Reconstruction of Dark Energy. Physical Review Letters, American Physical Society (APS) vol. 104 (21) 
27-05-2010
Relevant PublicationClarkson C and Maartens R (2010). Inhomogeneity and the foundations of concordance cosmology. Classical and Quantum Gravity, IOP Publishing vol. 27 (12) 
27-05-2010
Relevant PublicationFebruary S, Larena J, Smith M and Clarkson C (2010). Rendering dark energy void. Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP) vol. 405 (4), 2231-2242.  
11-05-2010
Relevant PublicationShafieloo A and Clarkson C (2010). Model independent tests of the standard cosmological model. Physical Review D, American Physical Society (APS) vol. 81 (8) 
15-04-2010

2009

Relevant PublicationSeahra SS and Clarkson C (2009). Gravitational waves in the black string braneworld. Classical and Quantum Gravity, IOP Publishing vol. 26 (24) 
16-11-2009
Relevant PublicationClarkson C, Ananda K and Larena J (2009). Influence of structure formation on the cosmic expansion. Physical Review D, American Physical Society (APS) vol. 80 (8) 
15-10-2009
Relevant PublicationClarkson C, Clifton T and February S (2009). Perturbation Theory in Lemaitre-Tolman-Bondi Cosmology. JCAP vol. 06 
29-03-2009
Relevant PublicationLu TH-C, Ananda K, Clarkson C and Maartens R (2009). The cosmological background of vector modes. Journal of Cosmology and Astroparticle Physics, IOP Publishing vol. 2009 (02), 023-023.  
01-02-2009
Relevant PublicationMörtsell E and Clarkson C (2009). Model independent constraints on the cosmological expansion rate. Journal of Cosmology and Astroparticle Physics, IOP Publishing vol. 2009 (01), 044-044.  
01-01-2009

2008

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

2007

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

2005

Relevant PublicationCLARKSON C and MAARTENS R (2005). GRAVITY-WAVE DETECTORS AS PROBES OF EXTRA DIMENSIONS. International Journal of Modern Physics D, World Scientific Publishing vol. 14 (12), 2347-2353.  
01-12-2005
Relevant PublicationClarkson C and Maartens R (2005). Gravity-wave detectors as probes of extra dimensions. General Relativity and Gravitation, Springer Nature vol. 37 (10), 1681-1687.  
01-10-2005
Relevant PublicationClarkson C and Seahra SS (2005). Braneworld resonances. Classical and Quantum Gravity, IOP Publishing vol. 22 (17) 
15-08-2005
Relevant PublicationSeahra SS, Clarkson C and Maartens R (2005). Delocalization of brane gravity by a bulk black hole. Classical and Quantum Gravity, IOP Publishing vol. 22 (16) 
26-07-2005
Relevant PublicationSeahra SS, Clarkson C and Maartens R (2005). Detecting Extra Dimensions with Gravity-Wave Spectroscopy: The Black-String Brane World. Physical Review Letters, American Physical Society (APS) vol. 94 (12) 
01-04-2005
Relevant PublicationMarklund M and Clarkson CA (2005). The general relativistic magnetohydrodynamic dynamo equation. Monthly Notices of the Royal Astronomical Society, Oxford University Press (OUP) vol. 358 (3), 892-900.  
11-03-2005

2004

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

2003

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

2002

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

2001

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

2000

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

1999

Relevant PublicationClarkson CA and Barrett RK (1999). Does the isotropy of the CMB imply a homogeneous universe? Some generalized EGS theorems. 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
Christopher Clarkson, Richard Nelson, Timothy Clifton, William Sutherland, Edward Gillen, Karim Malik, Thomas James Haworth, Sijme-Jan Paardekooper, Theresa Baker, David Mulryne, Philip Bull, Juan Antonio Valiente Kroon, Charalampos Markakis, Mohammad Mahdi Godazgar, Katherine Clough, Pau Figueras and Chung Tse 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, Christopher Clarkson, Timothy Clifton, Richard Nelson, Sijme-Jan Paardekooper and Juan Antonio Valiente Kroon
£1,868,745 Science & Technology Research Council (STFC) (01-04-2020 - 31-03-2024)