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Research

Publications: Prof Christopher Clarkson

Camarena D, Marra V, Sakr Z, Clarkson C ( 2022 ) . A void in the Hubble tension? The end of the line for the Hubble bubble . Classical and Quantum Gravity vol. 39 , ( 18 )
Perenon L, Martinelli M, Maartens R, Camera S, Clarkson C ( 2022 ) . Measuring dark energy with expansion and growth . Physics of the Dark Universe vol. 37 ,
Paul P, Clarkson C, Maartens R ( 2022 ) . Wide-angle effects in multi-tracer power spectra with Doppler corrections .
Nesseris S, Sapone D, Martinelli M, Camarena D, Marra V, Sakr Z, Garcia-Bellido J, Martins CJAP et al. ( 2022 ) . Euclid: Forecast constraints on consistency tests of the ∧cDM model . Astronomy and Astrophysics vol. 660 ,
Camarena D, Marra V, Sakr Z, Clarkson C ( 2022 ) . The Copernican principle in light of the latest cosmological data . Monthly Notices of the Royal Astronomical Society vol. 509 , ( 1 ) 1291 - 1302 .
Fonseca J, Clarkson C ( 2021 ) . Anti-symmetric clustering signals in the observed power spectrum . Journal of Cosmology and Astroparticle Physics vol. 2021 , ( 12 )
Maartens R, Fonseca J, Camera S, Jolicoeur S, Viljoen JA, Clarkson C ( 2021 ) . Magnification and evolution biases in large-scale structure surveys . Journal of Cosmology and Astroparticle Physics vol. 2021 , ( 12 )
Perenon L, Martinelli M, Ilić S, Maartens R, Lochner M, Clarkson C ( 2021 ) . Multi-tasking the growth of cosmological structures . Physics of the Dark Universe vol. 34 ,
Bengaly CAP, Clarkson C, Kunz M, Maartens R ( 2021 ) . Null tests of the concordance model in the era of Euclid and the SKA . Physics of the Dark Universe vol. 33 ,
Gallagher CS, Clifton T, Clarkson C ( 2021 ) . Multi-Scale Perturbation Theory II: Solutions and Leading-Order Bispectrum in the $Λ$CDM Universe . Journal of Cosmology and Astroparticle Physics vol. 08 , Article 048 ,
Maartens R, Fonseca J, Camera S, Jolicoeur S, Viljoen J-A, Clarkson C ( 2021 ) . Magnification and evolution biases in large-scale structure surveys .
Camarena D, Marra V, Sakr Z, Clarkson C ( 2021 ) . The Copernican principle in light of the latest cosmological data .
Jolicoeur S, Maartens R, De Weerd EM, Umeh O, Clarkson C, Camera S ( 2021 ) . Detecting the relativistic bispectrum in 21cm intensity maps . Journal of Cosmology and Astroparticle Physics vol. 2021 , ( 6 )
Perenon L, Martinelli M, Ilić S, Maartens R, Lochner M, Clarkson C ( 2021 ) . Multi-tasking the growth of cosmological structures .
Coates L, Adamek J, Bull P, Guandalin C, 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 .
Maartens R, Jolicoeur S, Umeh O, De Weerd EM, Clarkson C ( 2021 ) . Local primordial non-Gaussianity in the relativistic galaxy bispectrum . Journal of Cosmology and Astroparticle Physics vol. 2021 , ( 4 )
Guandalin C, Adamek J, Bull P, Clarkson C, Abramo LR, Coates L ( 2020 ) . Observing relativistic features in large-scale structure surveys - I. Multipoles of the power spectrum . Monthly Notices of the Royal Astronomical Society vol. 501 , ( 2 ) 2547 - 2561 .
Maartens R, Jolicoeur S, Umeh O, De Weerd EM, Clarkson C ( 2020 ) . Local primordial non-Gaussianity in the relativistic galaxy bispectrum .
Coates L, Adamek J, Bull P, Guandalin C, Clarkson C ( 2020 ) . Observing relativistic features in large-scale structure surveys -- II: Doppler magnification in an ensemble of relativistic simulations .
Jolicoeur S, Maartens R, De Weerd EM, Umeh O, Clarkson C, Camera S ( 2020 ) . Detecting the relativistic bispectrum in 21cm intensity maps .
Guandalin C, Adamek J, Bull P, Clarkson C, Abramo LR, Coates L ( 2020 ) . Observing relativistic features in large-scale structure surveys -- I: Multipoles of the power spectrum .
Lepori F, Adamek J, Durrer R, Clarkson C, Coates L ( 2020 ) . Weak-lensing observables in relativistic N-body simulations . Monthly Notices of the Royal Astronomical Society
Bengaly CAP, Clarkson C, Kunz M, Maartens R ( 2020 ) . Null tests of the concordance model in the era of Euclid and the SKA .
Bengaly CAP, Clarkson C, Maartens R ( 2020 ) . The Hubble constant tension with next-generation galaxy surveys . Journal of Cosmology and Astroparticle Physics vol. 2020 , ( 05 ) 053 - 053 .
de Weerd EM, Clarkson C, Jolicoeur S, Maartens R, Umeh O ( 2020 ) . Multipoles of the relativistic galaxy bispectrum . Journal of Cosmology and Astroparticle Physics vol. 2020 , ( 05 ) 018 - 018 .
Maartens R, Jolicoeur S, Umeh O, Weerd EMD, Clarkson C, Camera S ( 2020 ) . Detecting the relativistic galaxy bispectrum . Journal of Cosmology and Astroparticle Physics vol. 2020 , ( 03 ) 065 - 065 .
Normann BD, Clarkson C ( 2020 ) . Recursion relations for gravitational lensing . General Relativity and Gravitation vol. 52 , ( 3 ) Article 28 ,
Gallagher CS, Clifton T, 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 vol. 2020 , ( 03 ) 011 - 011 .
Lepori F, Adamek J, Durrer R, Clarkson C, Coates L ( 2020 ) . Weak-lensing observables in relativistic N-body simulations .
Bull P, others ( 2020 ) . Fundamental Physics with the Square Kilometer Array . Publications of the Astronomical Society of Australia
Duniya DGA, Moloi T, Clarkson C, Larena J, Maartens R, Mongwane B, Weltman A ( 2020 ) . Probing beyond-Horndeski gravity on ultra-large scales . Journal of Cosmology and Astroparticle Physics vol. 2020 , ( 01 ) 033 - 033 .
de Weerd EM, Clarkson C, Jolicoeur S, Maartens R, Umeh O ( 2019 ) . Multipoles of the relativistic galaxy bispectrum .
Franco FO, Bonvin C, 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 vol. 492 , ( 1 ) L34 - L39 .
Maartens R, Jolicoeur S, Umeh O, De Weerd EM, Clarkson C, Camera S ( 2019 ) . Detecting the relativistic galaxy bispectrum .
Bengaly CAP, Clarkson C, Maartens R ( 2019 ) . The Hubble constant tension with next-generation galaxy surveys .
Adamek J, Clarkson C, Coates L, Durrer R, Kunz M ( 2019 ) . Bias and scatter in the Hubble diagram from cosmological large-scale structure . Physical Review D vol. 100 , ( 2 ) Article 021301 ,
Andrianomena S, Bonvin C, Bacon D, Bull P, Clarkson C, Maartens R, Moloi T ( 2019 ) . Testing General Relativity with the Doppler magnification effect . Monthly Notices of the Royal Astronomical Society
Franco FO, Bonvin C, Clarkson C ( 2019 ) . A null test to probe the scale-dependence of the growth of structure as a test of General Relativity .
Umeh O, Koyama K, Maartens R, Schmidt F, Clarkson C ( 2019 ) . General relativistic effects in the galaxy bias at second order . Journal of Cosmology and Astroparticle Physics vol. 2019 , ( 05 ) 020 - 020 .
Clarkson C, de Weerd EM, Jolicoeur S, Maartens R, Umeh O ( 2019 ) . The dipole of the galaxy bispectrum . Monthly Notices of the Royal Astronomical Society: Letters vol. 486 , ( 1 ) L101 - L104 .
Koksbang SM, Clarkson C ( 2019 ) . Accurately computing weak lensing convergence . Monthly Notices of the Royal Astronomical Society: Letters vol. 486 , ( 1 ) L41 - L45 .
Normann BD, Clarkson C ( 2019 ) . Recursion relations for gravitational lensing .
Jolicoeur S, Allahyari A, Clarkson C, Larena J, Umeh O, 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 vol. 2019 , ( 3 )
Duniya D, Moloi T, Clarkson C, Larena J, Maartens R, Mongwane B, Weltman A ( 2019 ) . Probing beyond-Horndeski gravity on ultra-large scales .
Umeh O, Koyama K, Maartens R, Schmidt F, Clarkson C ( 2019 ) . General relativistic effects in the galaxy bias at second order .
Adamek J, Clarkson C, Daverio D, Durrer R, Kunz M ( 2019 ) . Safely smoothing spacetime: Backreaction in relativistic cosmological simulations . Classical and Quantum Gravity vol. 36 , ( 1 )
Clarkson C, de Weerd EM, Jolicoeur S, Maartens R, Umeh O ( 2018 ) . The dipole of the galaxy bispectrum .
Adamek J, Clarkson C, Coates L, Durrer R, Kunz M ( 2018 ) . Bias and scatter in the Hubble diagram from cosmological large-scale structure .
Koksbang SM, Clarkson C ( 2018 ) . Accurately computing weak lensing convergence .
Jolicoeur S, Allahyari A, Clarkson C, Larena J, Umeh O, Maartens R ( 2018 ) . Imprints of local lightcone projection effects on the galaxy bispectrum IV: Second-order vector and tensor contributions .
Andrianomena S, Bonvin C, Bacon D, Bull P, Clarkson C, Maartens R, Moloi T ( 2018 ) . Testing General Relativity with the Doppler magnification effect .
Witzemann A, Bull P, Clarkson C, Santos MG, Spinelli M, Weltman A ( 2018 ) . Model-independent curvature determination with 21 cm intensity mapping experiments . Mon. Not. Roy. Astron. Soc. vol. 477 , Article 1 , L122 - L127 .
Jolicoeur S, Umeh O, Maartens R, 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 vol. 2018 , ( 3 )
CLARKSON CA, maartens R, Chen S ( 2018 ) . The kinematic dipole in galaxy redshift surveys . Journal of Cosmology and Astroparticle Physics
Jolicoeur S, Umeh O, Maartens R, Clarkson C ( 2017 ) . Imprints of local lightcone projection effects on the galaxy bispectrum. III Relativistic corrections from nonlinear dynamical evolution on large-scales .
Witzemann A, Bull P, Clarkson C, Santos MG, Spinelli M, Weltman A ( 2017 ) . Model-independent curvature determination with 21cm intensity mapping experiments .
CLARKSON CA, Maartens R, Umeh O, Jolicoeur S ( 2017 ) . Imprints of local lightcone projection effects on the galaxy bispectrum. II . Journal of Cosmology and Astroparticle Physics
Maartens R, Clarkson C, Chen S ( 2017 ) . The kinematic dipole in galaxy redshift surveys .
Bonvin C, Andrianomena S, Bacon D, Clarkson C, Maartens R, Moloi T, Bull P ( 2017 ) . Dipolar modulation in the size of galaxies: The effect of Doppler magnification . Mon. Not. Roy. Astron. Soc. vol. 472 , Article 4 , 3936 - 3951 .
Adamek J, Clarkson C, Daverio D, Durrer R, Kunz M ( 2017 ) . Safely smoothing spacetime: backreaction in relativistic cosmological simulations .
Fleury P, Clarkson C, 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 .
Jolicoeur S, Umeh O, Maartens R, Clarkson C ( 2017 ) . Imprints of local lightcone projection effects on the galaxy bispectrum. II .
Umeh O, Jolicoeur S, Maartens R, 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 .
CLARKSON CA ( 2016 ) . Roulettes: A weak lensing formalism for strong lensing — II. Derivation and analysis — . Classical and Quantum Gravity
Bonvin C, Andrianomena S, Bacon D, Clarkson C, Maartens R, Moloi T, Bull P ( 2016 ) . Dipolar modulation in the size of galaxies: The effect of Doppler magnification .
Umeh O, Jolicoeur S, Maartens R, Clarkson C ( 2016 ) . A general relativistic signature in the galaxy bispectrum: the local effects of observing on the lightcone .
CLARKSON CA, Newburgh LB ( 2016 ) . HIRAX: a probe of dark energy and radio transients . Conference: Ground-based and Airborne Telescopes VI
CLARKSON CA ( 2016 ) . Roulettes: a weak lensing formalism for strong lensing - I. Overview . Classical and Quantum Gravity vol. 33 , ( 16 ) Article 16LT01 ,
Raccanelli A, Bertacca D, Maartens R, Clarkson C, Doré O ( 2016 ) . Lensing and time-delay contributions to galaxy correlations . General Relativity and Gravitation vol. 48 , ( 7 )
Busti VC, Clarkson C ( 2016 ) . Dodging the dark matter degeneracy while determining the dynamics of dark energy . Journal of Cosmology and Astroparticle Physics vol. 2016 , ( 05 ) 008 - 008 .
Clarkson C ( 2016 ) . Roulettes: A weak lensing formalism for strong lensing - I. Overview .
Clarkson C ( 2016 ) . Roulettes: A weak lensing formalism for strong lensing - II. Derivation and analysis .
Marozzi G, Uzan JP, Umeh O, Clarkson C ( 2015 ) . Cosmological evolution of the gravitational entropy of the large-scale structure . General Relativity and Gravitation vol. 47 , ( 10 )
Clarkson C ( 2015 ) . The general theory of secondary weak gravitational lensing . Journal of Cosmology and Astroparticle Physics vol. 2015 , ( 9 )
Bonvin C, Clarkson C, Durrer R, Maartens R, Umeh O ( 2015 ) . Cosmological ensemble and directional averages of observables . Journal of Cosmology and Astroparticle Physics vol. 2015 , ( 7 )
Bonvin C, Clarkson C, Durrer R, Maartens R, 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 vol. 2015 , ( 6 )
Busti VC, Clarkson C ( 2015 ) . Dodging the dark matter degeneracy while determining the dynamics of dark energy .
Bonvin C, Clarkson C, Durrer R, Maartens R, Umeh O ( 2015 ) . Cosmological ensemble and directional averages of observables .
Clarkson C ( 2015 ) . The general theory of secondary weak gravitational lensing .
Bonvin C, Clarkson C, Durrer R, Maartens R, Umeh O ( 2015 ) . Do we care about the distance to the CMB? Clarifying the impact of second-order lensing .
Adamek J, Clarkson C, Durrer R, Kunz M ( 2015 ) . Does small scale structure significantly affect cosmological dynamics? . Physical Review Letters vol. 114 , ( 5 )
Marozzi G, Uzan J-P, Umeh O, Clarkson C ( 2015 ) . Cosmological evolution of the gravitational entropy of the large-scale structure .
Schwarz DJ, Bacon D, Chen S, Clarkson C, Huterer D, Kunz M, Maartens R, Raccanelli A et al. ( 2015 ) . Testing foundations of modern cosmology with SKA all-sky surveys .
Busti VC, Clarkson C, Seikel M ( 2015 ) . The value of H<inf>0</inf> from Gaussian processes . Proceedings of the International Astronomical Union vol. 10 , 25 - 27 .
Bertacca D, Maartens R, Clarkson C ( 2014 ) . Observed galaxy number counts on the lightcone up to second order: II. Derivation . Journal of Cosmology and Astroparticle Physics vol. 2014 , ( 11 )
Clarkson C, Umeh O, Maartens R, Durrer R ( 2014 ) . What is the distance to the CMB? . Journal of Cosmology and Astroparticle Physics vol. 2014 , ( 11 )
Umeh O, Clarkson C, Maartens R ( 2014 ) . Nonlinear relativistic corrections to cosmological distances, redshift and gravitational lensing magnification: I. Key results . Classical and Quantum Gravity vol. 31 , ( 20 )
Umeh O, Clarkson C, Maartens R ( 2014 ) . Nonlinear relativistic corrections to cosmological distances, redshift and gravitational lensing magnification: II. Derivation . Classical and Quantum Gravity vol. 31 , ( 20 )
February S, Larena J, Clarkson C, Pollney D ( 2014 ) . Evolution of linear perturbations in spherically symmetric dust spacetimes . Classical and Quantum Gravity vol. 31 , ( 17 )
Bertacca D, Maartens R, Clarkson C ( 2014 ) . Observed galaxy number counts on the lightcone up to second order: I. Main result . Journal of Cosmology and Astroparticle Physics vol. 2014 , ( 9 )
Clarkson C, Clifton T, Coley A, Sung R ( 2014 ) . Erratum: Observational constraints on the averaged universe (Physical Review D - Particles, Fields, Gravitation and Cosmology (2012) 85 (043506)) . Physical Review D - Particles, Fields, Gravitation and Cosmology vol. 90 , ( 4 )
Busti VC, Clarkson C, Seikel M ( 2014 ) . The Value of $H_0$ from Gaussian Processes .
Bertacca D, Maartens R, Clarkson C ( 2014 ) . Observed galaxy number counts on the lightcone up to second order: II. Derivation .
Clarkson C, Umeh O, Maartens R, Durrer R ( 2014 ) . What is the distance to the CMB? .
Bertacca D, Maartens R, Clarkson C ( 2014 ) . Observed galaxy number counts on the lightcone up to second order: I. Main result .
Busti VC, Clarkson C, Seikel M ( 2014 ) . Evidence for a Lower Value for $H_0$ from Cosmic Chronometers Data? .
Andrianomena S, Clarkson C, Patel P, Umeh O, Uzan J-P ( 2014 ) . Non-linear relativistic contributions to the cosmological weak-lensing convergence .
Umeh O, Clarkson C, Maartens R ( 2014 ) . Nonlinear relativistic corrections to cosmological distances, redshift and gravitational lensing magnification. II - Derivation .
Valkenburg W, Marra V, Clarkson C ( 2014 ) . Testing the Copernican principle by constraining spatial homogeneity . Monthly Notices of the Royal Astronomical Society: Letters vol. 438 , ( 1 )
Bacon DJ, Andrianomena S, Clarkson C, Bolejko K, Maartens R ( 2014 ) . Cosmology with Doppler Lensing .
Yahya S, Seikel M, Clarkson C, Maartens R, Smith M ( 2014 ) . Null tests of the cosmological constant using supernovae . Physical Review D - Particles, Fields, Gravitation and Cosmology vol. 89 , ( 2 )
Bacon DJ, Andrianomena S, Clarkson C, Bolejko K, Maartens R ( 2014 ) . Cosmology with Doppler lensing . Monthly Notices of the Royal Astronomical Society vol. 443 , ( 3 ) 1900 - 1915 .
Busti VC, Clarkson C, Seikel M ( 2014 ) . Evidence for a lower value for H<inf>0</inf> from cosmic chronometers data? . Monthly Notices of the Royal Astronomical Society: Letters vol. 441 , ( 1 )
Andrianomena S, Clarkson C, Patel P, Umeh O, Uzan JP ( 2014 ) . Non-linear relativistic contributions to the cosmological weak-lensing convergence . Journal of Cosmology and Astroparticle Physics vol. 2014 , ( 6 )
Schwarz DJ, Bacon D, Chen S, Clarkson C, Huterer D, Kunz M, Maartens R, Raccanelli A et al. ( 2014 ) . Testing foundations of modern cosmology with SKA all-sky surveys . Proceedings of Science . vol. 9-13-June-2014 ,
Smith M, Bacon DJ, Nichol RC, Campbell H, Clarkson C, Maartens R, D'Andrea CB, Bassett BA et al. ( 2014 ) . The effect of weak lensing on distance estimates from supernovae . Astrophysical Journal vol. 780 , ( 1 )
Raccanelli A, Bertacca D, Maartens R, Clarkson C, Doré O ( 2013 ) . Lensing and time-delay contributions to galaxy correlations .
February S, Larena J, Clarkson C, Pollney D ( 2013 ) . Evolution of linear perturbations in spherically symmetric dust spacetimes .
Busti VC, Holanda RFL, Clarkson C ( 2013 ) . Supernovae as probes of cosmic parameters: Estimating the bias from under-dense lines of sight . Journal of Cosmology and Astroparticle Physics vol. 2013 , ( 11 )
Chet Lim W, Regis M, Clarkson C ( 2013 ) . Spherically symmetric cosmological spacetimes with dust and radiation - Numerical implementation . Journal of Cosmology and Astroparticle Physics vol. 2013 , ( 10 )
Busti VC, Holanda RFL, Clarkson C ( 2013 ) . Supernovae as probes of cosmic parameters: estimating the bias from under-dense lines of sight .
Yahya S, Seikel M, Clarkson C, Maartens R, Smith M ( 2013 ) . Null tests of the cosmological constant using supernovae .
Lim WC, Regis M, Clarkson C ( 2013 ) . Spherically symmetric cosmological spacetimes with dust and radiation - numerical implementation .
Smith M, Bacon DJ, Nichol RC, Campbell H, Clarkson C, Maartens R, D'Andrea CB, Bassett BA et al. ( 2013 ) . The Effect of Weak Lensing on Distance Estimates from Supernovae .
Clarkson C ( 2013 ) . Trouble with physics: Time to ditch Copernicus? . New Scientist vol. 217 , ( 2906 )
February S, Clarkson C, 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 vol. 2013 , ( 3 )
Bolejko K, Clarkson C, Maartens R, Bacon D, Meures N, Beynon E ( 2013 ) . Antilensing: The bright side of voids . Physical Review Letters vol. 110 , ( 2 )
Hoyle B, Tojeiro R, Jimenez R, Heavens A, Clarkson C, Maartens R ( 2013 ) . Testing homogeneity with galaxy star formation histories . Astrophysical Journal Letters vol. 762 , ( 1 )
Clarkson C, Ellis GFR, Faltenbacher A, Maartens R, Umeh O, Uzan JP ( 2012 ) . (Mis)interpreting supernovae observations in a lumpy universe . Monthly Notices of the Royal Astronomical Society vol. 426 , ( 2 ) 1121 - 1136 .
Bertacca D, Maartens R, Raccanelli A, 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 vol. 2012 , ( 10 )
Seikel M, Yahya S, Maartens R, Clarkson C ( 2012 ) . Using H(z) data as a probe of the concordance model . Physical Review D - Particles, Fields, Gravitation and Cosmology vol. 86 , ( 8 )
Hoyle B, Tojeiro R, Jimenez R, Heavens A, Clarkson C, Maartens R ( 2012 ) . Testing Homogeneity with Galaxy Star Formation Histories .
Valkenburg W, Marra V, Clarkson C ( 2012 ) . Testing the Copernican principle by constraining spatial homogeneity .
Bolejko K, Clarkson C, Maartens R, Bacon D, Meures N, Beynon E ( 2012 ) . Anti-lensing: the bright side of voids .
Clifton T, Clarkson C, Bull P ( 2012 ) . Isotropic blackbody cosmic microwave background radiation as evidence for a homogeneous Universe . Physical Review Letters vol. 109 , ( 5 )
Umeh O, Clarkson C, Maartens R ( 2012 ) . Nonlinear relativistic corrections to cosmological distances, redshift and gravitational lensing magnification. I - Key results .
Clarkson C, Osano B ( 2012 ) . Erratum: Locally extracting scalar, vector and tensor modes in cosmological perturbation theory (Classical and Quantum Gravity (2011) 28 (225002)) . Classical and Quantum Gravity vol. 29 , ( 7 )
Clarkson C ( 2012 ) . Establishing homogeneity of the universe in the shadow of dark energy . Comptes Rendus Physique vol. 13 , ( 6-7 ) 682 - 718 .
February S, Clarkson C, Maartens R ( 2012 ) . Galaxy correlations and the BAO in a void universe: structure formation as a test of the Copernican Principle .
Seikel M, Clarkson C, Smith M ( 2012 ) . Reconstruction of dark energy and expansion dynamics using Gaussian processes . Journal of Cosmology and Astroparticle Physics vol. 2012 , ( 6 )
Bertacca D, Maartens R, Raccanelli A, Clarkson C ( 2012 ) . Beyond the plane-parallel and Newtonian approach: Wide-angle redshift distortions and convergence in general relativity .
Seikel M, Yahya S, Maartens R, Clarkson C ( 2012 ) . Using H(z) data as a probe of the concordance model .
Clarkson C ( 2012 ) . Establishing homogeneity of the universe in the shadow of dark energy .
Seikel M, Clarkson C, Smith M ( 2012 ) . Reconstruction of dark energy and expansion dynamics using Gaussian processes .
Regis M, Clarkson C ( 2012 ) . Do primordial lithium abundances imply there's no dark energy? . General Relativity and Gravitation vol. 44 , ( 3 ) 567 - 579 .
Clarkson C, Clifton T, Coley A, Sung R ( 2012 ) . Observational constraints on the averaged universe . Physical Review D - Particles, Fields, Gravitation and Cosmology vol. 85 , ( 4 )
February S, Clarkson C, Maartens R ( 2011 ) . Baryon acoustic oscillations in a cosmic void . AIP Conference Proceedings . vol. 1458 , 387 - 390 .
Clarkson C, Osano B ( 2011 ) . Locally extracting scalar, vector and tensor modes in cosmological perturbation theory . Classical and Quantum Gravity vol. 28 , ( 22 )
Clarkson C, Clifton T, Coley A, Sung R ( 2011 ) . Observational Constraints on the Averaged Universe .
Clarkson C, Ellis G, Larena J, 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 vol. 74 , ( 11 )
Clarkson C, Ellis G, Faltenbacher A, Maartens R, Umeh O, Uzan J-P ( 2011 ) . (Mis-)Interpreting supernovae observations in a lumpy universe .
Clarkson C, Ellis G, Larena J, Umeh O ( 2011 ) . Does the growth of structure affect our dynamical models of the universe? The averaging, backreaction and fitting problems in cosmology .
Clarkson C ( 2011 ) . Local gauge-invariance at any order in cosmological perturbation theory .
Clarkson C, Umeh O ( 2011 ) . Is backreaction really small within concordance cosmology? . Classical and Quantum Gravity vol. 28 , ( 16 )
Clarkson C, Umeh O ( 2011 ) . Is backreaction really small within concordance cosmology? .
Umeh O, Larena J, Clarkson C ( 2011 ) . The Hubble rate in averaged cosmology . Journal of Cosmology and Astroparticle Physics vol. 2011 , ( 3 )
Clarkson C, Osano B ( 2011 ) . Locally extracting scalar, vector and tensor modes in cosmological perturbation theory .
Clarkson C, Regis M ( 2011 ) . The cosmic microwave background in an inhomogeneous universe . Journal of Cosmology and Astroparticle Physics vol. 2011 , ( 2 )
Clarkson C ( 2011 ) . Determining dark energy . Physics Beyond the Standard Models of Particles, Cosmology and Astrophysics - Proceedings of the 5th International Conference, Beyond 2010 . 455 - 470 .
Umeh O, Larena J, Clarkson C ( 2010 ) . The Hubble rate in averaged cosmology .
Clarkson C ( 2010 ) . On the determination of dark energy . AIP Conference Proceedings . vol. 1241 , 784 - 796 .
Clarkson C, Regis M ( 2010 ) . The Cosmic Microwave Background in an Inhomogeneous Universe - why void models of dark energy are only weakly constrained by the CMB .
Clarkson C, Zunckel C ( 2010 ) . Direct reconstruction of dark energy . Physical Review Letters vol. 104 , ( 21 )
Clarkson C, Maartens R ( 2010 ) . Inhomogeneity and the foundations of concordance cosmology . Classical and Quantum Gravity vol. 27 , ( 12 )
Clarkson C, Maartens R ( 2010 ) . Inhomogeneity and the foundations of concordance cosmology .
Shafieloo A, Clarkson C ( 2010 ) . Model independent tests of the standard cosmological model . Physical Review D - Particles, Fields, Gravitation and Cosmology vol. 81 , ( 8 )
Regis M, Clarkson C ( 2010 ) . Do primordial Lithium abundances imply there's no Dark Energy? .
Clarkson C, Zunckel C ( 2010 ) . Direct reconstruction of dark energy .
de Swardt B, Dunsby PKS, Clarkson C ( 2010 ) . Gravitational Lensing in Spherically Symmetric Spacetimes .
February S, Larena J, Smith M, Clarkson C ( 2010 ) . Rendering dark energy void . Monthly Notices of the Royal Astronomical Society vol. 405 , ( 4 ) 2231 - 2242 .
Seahra SS, Clarkson C ( 2009 ) . Gravitational waves in the black string braneworld . Classical and Quantum Gravity vol. 26 , ( 24 )
Shafieloo A, Clarkson C ( 2009 ) . Model independent tests of the standard cosmological model .
Clarkson C ( 2009 ) . On the determination of dark energy .
Clarkson C, Clifton T, February S ( 2009 ) . Perturbation theory in Lematre-Tolman-Bondi cosmology . Journal of Cosmology and Astroparticle Physics vol. 2009 , ( 6 )
Clarkson C, Ananda K, Larena J ( 2009 ) . Influence of structure formation on the cosmic expansion . Physical Review D - Particles, Fields, Gravitation and Cosmology vol. 80 , ( 8 )
February S, Larena J, Smith M, Clarkson C ( 2009 ) . Rendering Dark Energy Void .
Clarkson C, Ananda K, Larena J ( 2009 ) . The influence of structure formation on the cosmic expansion .
Seahra SS, Clarkson C ( 2009 ) . Gravitational waves in the black string braneworld .
Lu THC, Ananda K, Clarkson C, Maartens R ( 2009 ) . The cosmological background of vector modes . Journal of Cosmology and Astroparticle Physics vol. 2009 , ( 2 )
Clarkson C, Clifton T, February S ( 2009 ) . Perturbation Theory in Lemaitre-Tolman-Bondi Cosmology .
Mörtsell E, Clarkson C ( 2009 ) . Model independent constraints on the cosmological expansion rate . Journal of Cosmology and Astroparticle Physics vol. 2009 , ( 1 )
Lu TH-C, Ananda K, Clarkson C, Maartens R ( 2008 ) . The cosmological background of vector modes .
Mortsell E, Clarkson C ( 2008 ) . Model independent constraints on the cosmological expansion rate .
Zunckel C, Clarkson C ( 2008 ) . Consistency tests for the cosmological constant . Physical Review Letters vol. 101 , ( 18 )
Zunckel C, Clarkson C ( 2008 ) . A litmus test for Lambda .
Clarkson C, Bassett B, Lu THC ( 2008 ) . A general test of the copernican principle . Physical Review Letters vol. 101 , ( 1 )
Uzan JP, Clarkson C, Ellis GFR ( 2008 ) . Time drift of cosmological redshifts as a test of the copernican principle . Physical Review Letters vol. 100 , ( 19 )
Lu THC, Ananda K, Clarkson C ( 2008 ) . Vector modes generated by primordial density fluctuations . Physical Review D - Particles, Fields, Gravitation and Cosmology vol. 77 , ( 4 )
Hlozek R, Cortês M, Clarkson C, Bassett B ( 2008 ) . Dark energy degeneracies in the background dynamics . General Relativity and Gravitation vol. 40 , ( 2-3 ) 285 - 300 .
Hlozek R, Cortês M, Clarkson C, Bassett B ( 2008 ) . Non-parametric Dark Energy Degeneracies .
Clarkson C, Marklund M ( 2008 ) . Photon gas dynamics in the early universe . Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics vol. 659 , ( 1-2 ) 54 - 57 .
Uzan J-P, Clarkson C, Ellis GFR ( 2007 ) . Time drift of cosmological redshifts as a test of the Copernican principle .
Clarkson C, Bassett BA, Lu TH-C ( 2007 ) . A general test of the Copernican Principle .
Clarkson C ( 2007 ) . Covariant approach for perturbations of rotationally symmetric spacetimes . Physical Review D - Particles, Fields, Gravitation and Cosmology vol. 76 , ( 10 )
Lu TH-C, Ananda K, Clarkson C ( 2007 ) . Vector modes generated by primordial density fluctuations .
Clarkson C ( 2007 ) . A covariant approach for perturbations of rotationally symmetric spacetimes .
Clarkson C, Cortês M, Bassett B ( 2007 ) . Dynamical dark energy or simply cosmic curvature? . Journal of Cosmology and Astroparticle Physics vol. 2007 , ( 08 ) 011 - 011 .
Ananda KN, Clarkson C, Wands D ( 2007 ) . Cosmological gravitational wave background from primordial density perturbations . Physical Review D - Particles, Fields, Gravitation and Cosmology vol. 75 , ( 12 )
Clarkson C, Seahra SS ( 2007 ) . A gravitational wave window on extra dimensions . Classical and Quantum Gravity vol. 24 , ( 9 )
Osano B, Pitrou C, Dunsby P, Uzan JP, Clarkson C ( 2007 ) . Gravitational waves generated by second order effects during inflation . Journal of Cosmology and Astroparticle Physics ( 4 )
Clarkson C, Cortes M, Bassett BA ( 2007 ) . Dynamical Dark Energy or Simply Cosmic Curvature? .
Osano B, Pitrou C, Dunsby P, Uzan J-P, Clarkson C ( 2006 ) . Gravitational waves generated by second order effects during inflation .
Ananda KN, Clarkson C, Wands D ( 2006 ) . The cosmological gravitational wave background from primordial density perturbations .
Clarkson C, Seahra SS ( 2006 ) . A gravitational wave window on extra dimensions .
Clarkson C, Marklund M ( 2006 ) . Photon gas dynamics in the early universe .
Clarkson C, Maartens R ( 2005 ) . Gravity-wave detectors as probes of extra dimensions . International Journal of Modern Physics D vol. 14 , ( 12 ) 2347 - 2353 .
Clarkson C, Maartens R ( 2005 ) . Gravity-wave detectors as probes of extra dimensions . General Relativity and Gravitation vol. 37 , ( 10 ) 1681 - 1687 .
Clarkson C, Seahra SS ( 2005 ) . Braneworld resonances . Classical and Quantum Gravity vol. 22 , ( 17 ) 3653 - 3687 .
Seahra SS, Clarkson C, Maartens R ( 2005 ) . Delocalization of brane gravity by a bulk black hole . Classical and Quantum Gravity vol. 22 , ( 16 )
Clarkson C, Seahra SS ( 2005 ) . Braneworld resonances .
Clarkson C, Maartens R ( 2005 ) . Gravity-wave detectors as probes of extra dimensions .
Marklund M, Clarkson CA ( 2005 ) . The general relativistic magnetohydrodynamic dynamo equation . Monthly Notices of the Royal Astronomical Society vol. 358 , ( 3 ) 892 - 900 .
Seahra SS, Clarkson C, Maartens R ( 2005 ) . Delocalization of brane gravity by a bulk black hole .
Seahra SS, Clarkson C, Maartens R ( 2005 ) . Detecting extra dimensions with gravity-wave spectroscopy: The black-string brane world . Physical Review Letters vol. 94 , ( 12 )
Betschart G, Clarkson CA ( 2004 ) . Scalar field and electromagnetic perturbations on locally rotationally symmetric spacetimes . Classical and Quantum Gravity vol. 21 , ( 23 ) 5587 - 5607 .
Clarkson C ( 2004 ) . Erratum: Cosmological density fluctuations and gravity waves: A covariant approach to gauge-invariant nonlinear perturbation theory (Physical Review D - Particles, Fields, Gravitation and Cosmology (2004) 70 (103524)) . Physical Review D - Particles, Fields, Gravitation and Cosmology vol. 70 , ( 12 ) 129902 - 129901 .
Marklund M, Clarkson C ( 2004 ) . The general relativistic MHD dynamo equation .
Clarkson C ( 2004 ) . Cosmological density fluctuations and gravity waves: A covariant approach to gauge-invariant nonlinear perturbation theory . Physical Review D - Particles, Fields, Gravitation and Cosmology vol. 70 , ( 10 )
Clarkson CA, Marklund M, Betschart G, Dunsby PKS ( 2004 ) . The electromagnetic signature of black hole ring-down . Astrophysical Journal vol. 613 , ( 1 I ) 492 - 505 .
Seahra SS, Clarkson C, Maartens R ( 2004 ) . Detecting extra dimensions with gravity wave spectroscopy: the black string brane-world .
Betschart G, Clarkson CA ( 2004 ) . Scalar field and electromagnetic perturbations on Locally Rotationally Symmetric spacetimes .
Clarkson C ( 2003 ) . Cosmological density fluctuations and gravity waves: A covariant approach to gauge-invariant non-linear perturbation theory .
Clarkson C, Marklund M, Betschart G, Dunsby P ( 2003 ) . The electromagnetic signature of black hole ringdown .
Clarkson CA, Barrett RK ( 2003 ) . Covariant perturbations of Schwarzschild black holes . Classical and Quantum Gravity vol. 20 , ( 18 ) 3855 - 3884 .
Clarkson CA, Coley AA, O'Neill ESD, Sussman RA, Barrett RK ( 2003 ) . Inhomogeneous Cosmologies, the Copernican Principle and the Cosmic Microwave Background: More on the EGS Theorem . General Relativity and Gravitation vol. 35 , ( 6 ) 969 - 990 .
Clarkson CA, Coley AA, Maartens R, Tsagas CG ( 2003 ) . CMB limits on large-scale magnetic fields in an inhomogeneous universe . Classical and Quantum Gravity vol. 20 , ( 8 ) 1519 - 1528 .
Ibáñez J, Clarkson CA, Coley AA ( 2003 ) . Reply to Comment on 'on Scaling Solutions with a Dissipative Fluid' . Classical and Quantum Gravity vol. 20 , ( 5 ) 1017 - 1018 .
Clarkson CA, Coley AA, O'Neill ESD, Sussman RA, Barrett RK ( 2003 ) . Inhomogeneous cosmologies, the Copernican principle and the cosmic microwave background: More on the EGS theorem .
Clarkson CA, Coley AA, Maartens R, Tsagas CG ( 2002 ) . CMB limits on large-scale magnetic fields in an inhomogeneous universe .
Ibáñez J, Clarkson CA, Coley AA ( 2002 ) . On scaling solutions with a dissipative fluid . Classical and Quantum Gravity vol. 19 , ( 11 ) 3067 - 3076 .
Ibanez J, Clarkson CA, Coley AA ( 2002 ) . On Scaling Solutions with a Dissipative Fluid .
Clarkson CA, Coley AA, Quinlan SD ( 2001 ) . Qualitative properties of magnetic fields in scalar field cosmology . Physical Review D vol. 64 , ( 12 )
Clarkson CA, Coley AA, Quinlan SD ( 2001 ) . Qualitative Properties of Magnetic Fields in Scalar Field Cosmology .
Clarkson CA, Coley AA ( 2001 ) . Magnetic fields and the cosmic microwave background . Classical and Quantum Gravity vol. 18 , ( 7 ) 1305 - 1310 .
Clarkson CA, Coley AA, O'Neill ESD ( 2001 ) . Cosmic microwave background and scalar-tensor theories of gravity . Physical Review D vol. 64 , ( 6 )
Barrett RK, Clarkson CA ( 2000 ) . Undermining the cosmological principle: Almost isotropic observations in inhomogeneous cosmologies . Classical and Quantum Gravity vol. 17 , ( 24 ) 5047 - 5078 .
Clarkson CA, Barrett RK ( 1999 ) . Does the isotropy of the CMB imply a homogeneous universe? some generalized EGS theorems . Classical and Quantum Gravity vol. 16 , ( 12 ) 3781 - 3794 .