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Publications:  Dr Timothy Clifton

Clifton T, Gallagher CS, Goldberg S, Malik KA(2020). Viable Gauge Choices in Cosmologies with Non-Linear Structures. Physical Review D: Particles, Fields, Gravitation and Cosmology vol. 101, (6) Article 063530,
10.1103/PhysRevD.101.063530
https://qmro.qmul.ac.uk/xmlui/handle/123456789/63539
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.
10.1088/1475-7516/2020/03/011
https://qmro.qmul.ac.uk/xmlui/handle/123456789/64112
Clifton T, Sussman RA(2019). Cosmological Backreaction in Spherical and Plane Symmetric Dust-Filled Space-Times. Classical and Quantum Gravity vol. 36, Article 205004,
10.1088/1361-6382/ab3a14
https://qmro.qmul.ac.uk/xmlui/handle/123456789/59843
Durk J, Clifton T(2019). Discrete Cosmological Models in the Brans-Dicke Theory of Gravity. Classical and Quantum Gravity vol. 36, (18) Article 185011,
10.1088/1361-6382/ab329e
https://qmro.qmul.ac.uk/xmlui/handle/123456789/59477
Clifton T, Sanghai VAA(2019). Parametrizing theories of gravity on large and small scales in cosmology. Physical Review Letters vol. 122, 011301-011301.
10.1103/PhysRevLett.122.011301
https://qmro.qmul.ac.uk/xmlui/handle/123456789/54505
Gallagher CS, Clifton T(2018). Relativistic Euler equations in cosmologies with nonlinear structures. Physical Review D vol. 98, (10) 103516-103516.
10.1103/PhysRevD.98.103516
https://qmro.qmul.ac.uk/xmlui/handle/123456789/54815
CLIFTON TA, Bentivegna E, DURK J, Korzynski M, Rosquist K(2018). Black-Hole Lattices as Cosmological Models. Classical and Quantum Gravity vol. 35, Article 175004,
10.1088/1361-6382/aac846
https://qmro.qmul.ac.uk/xmlui/handle/123456789/42983
Goldberg SR, Gallagher C, Clifton T(2017). Perturbation theory for cosmologies with non-linear structure. Physical Review -Series d- vol. 96, Article 103508,
10.1103/PhysRevD.96.103508
https://qmro.qmul.ac.uk/xmlui/handle/123456789/28975
Durk J, Clifton T(2017). A quasi-static approach to structure formation in black hole universes. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (10) Article ARTN 012,
10.1088/1475-7516/2017/10/012
https://qmro.qmul.ac.uk/xmlui/handle/123456789/28977
Sanghai VAA, Fleury P, Clifton T(2017). Ray tracing and Hubble diagrams in post-Newtonian cosmology. Journal of Cosmology and Astroparticle Physics (7) Article ARTN 028,
10.1088/1475-7516/2017/07/028
https://qmro.qmul.ac.uk/xmlui/handle/123456789/28364
Clifton T, Carr B, Coley A(2017). Persistent black holes in bouncing cosmologies. CLASSICAL AND QUANTUM GRAVITY vol. 34, (13) Article ARTN 135005,
10.1088/1361-6382/aa6dbb
https://qmro.qmul.ac.uk/xmlui/handle/123456789/32421
Bibi R, Clifton T, Durk J(2017). Cosmological solutions with charged black holes. General Relativity and Gravitation vol. 49, (7)
10.1007/s10714-017-2261-4
https://qmro.qmul.ac.uk/xmlui/handle/123456789/32422
CLIFTON TA, Durk J(2017). Exact initial data for black hole universes with a cosmological constant. Classical and Quantum Gravity vol. 34, (6) Article 065009,
10.1088/1361-6382/aa6064
https://qmro.qmul.ac.uk/xmlui/handle/123456789/21339
Clifton T, Barrow JD(2017). Decay of the Cosmic Vacuum Energy. Gravity and the Quantum, Festschrift for T. Padmanabhan, eds. J Singh Bagla and S. Engineer, series Fundamental Theories of Physics 187, (Springer, New York), pp. 61-71 (2017)
https://qmro.qmul.ac.uk/xmlui/handle/123456789/54506
CLIFTON TA, Sanghai V(2017). Parameterized post-Newtonian cosmology. Classical and Quantum Gravity vol. 34, (6) 065003-065003.
10.1088/1361-6382/aa5d75
https://qmro.qmul.ac.uk/xmlui/handle/123456789/19554
Goldberg S, Clifton TA, Malik K(2017). Cosmology on all scales: A two-parameter perturbation expansion. Physical Review D vol. 95, (4) 043503-043503.
10.1103/PhysRevD.95.043503
https://qmro.qmul.ac.uk/xmlui/handle/123456789/19364
Clifton T, Gregoris D, Rosquist K(2017). The Magnetic Part of the Weyl Tensor, and the Expansion of Discrete Universes. General Relativity and Gravitation vol. 49, Article 2, 1-40.
10.1007/s10714-017-2192-0
https://qmro.qmul.ac.uk/xmlui/handle/123456789/19131
Clifton T, Gregoris D, Rosquist K(2017). The magnetic part of the Weyl tensor, and the expansion of discrete universes. General Relativity and Gravitation vol. 49, (2) Article 30,
10.1007/s10714-017-2192-0
https://qmro.qmul.ac.uk/xmlui/handle/123456789/54508
Sanghai VAA, Clifton T(2016). Cosmological backreaction in the presence of radiation and a cosmological constant. Physical Review D: Particles, Fields, Gravitation and Cosmology vol. 94, (2) 023505-023505.
10.1103/PhysRevD.94.023505
https://qmro.qmul.ac.uk/xmlui/handle/123456789/14731
Sanghai VAA, Clifton T(2016). Erratum: Post-Newtonian cosmological modelling (Physical Review D - Particles, Fields, Gravitation and Cosmology (2015) 91 (103532)). Physical Review D vol. 93, (8)
10.1103/PhysRevD.93.089903
https://qmro.qmul.ac.uk/xmlui/handle/123456789/32423
Sanghai VAA, Clifton T(2015). Post-Newtonian cosmological modelling. Physical Review D - Particles, Fields, Gravitation and Cosmology vol. 91, (10)
10.1103/PhysRevD.91.103532
https://qmro.qmul.ac.uk/xmlui/handle/123456789/18068
Clifton T, Dunsby PKS(2015). On the emergence of accelerating cosmic expansion in f (R) theories of gravity. PHYSICAL REVIEW D vol. 91, (10) Article ARTN 103528,
10.1103/PhysRevD.91.103528
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17810
Clifton T, Gregoris D, Rosquist K (2015). Applications of black hole lattices in relativistic cosmology. SECOND ICRANET CESAR LATTES MEETING: SUPERNOVAE, NEUTRON STARS AND BLACK HOLES. vol. 1693,
10.1063/1.4937219
Clifton T(2014). The method of images in cosmology. CLASSICAL AND QUANTUM GRAVITY vol. 31, (17) Article ARTN 175010,
10.1088/0264-9381/31/17/175010
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17811
Clifton T, Gregoris D, Rosquist K(2014). Piecewise silence in discrete cosmological models. CLASSICAL AND QUANTUM GRAVITY vol. 31, (10) Article ARTN 105012,
10.1088/0264-9381/31/10/105012
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17812
Clifton T, Gregoris D, Rosquist K, Tavakol R(2013). Exact Evolution of Discrete Relativistic Cosmological Models. JCAP vol. 11, Article 010,
10.1088/1475-7516/2013/11/010
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17818
Clifton T, Ellis GFR, Tavakol R(2013). A Gravitational Entropy Proposal. Classical and Quantum Gravity vol. 30, Article 125009,
10.1088/0264-9381/30/12/125009
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17820
CLIFTON TA(2013). BACK-REACTION IN RELATIVISTIC COSMOLOGY. International Journal of Modern Physics D: Gravitation, Astrophysics and Cosmology vol. 22, (3) Article 133004,
10.1142/S0218271813300048
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17821
CLIFTON TA(2013). G. F. R. Ellis, R. Maartens and M. A. H. MacCallum: Relativistic cosmology. General Relativity and Gravitation
10.1007/s10714-013-1543-8
Clifton T, Dunsby P, Goswami R, Nzioki AM(2012). On the absence of the usual weak-field limit, and the impossibility of embedding some known solutions for isolated masses in cosmologies with f(R) dark energy. Physical Review D: Particles, Fields, Gravitation and Cosmology vol. 87, Article 063517,
10.1103/PhysRevD.87.063517
https://qmro.qmul.ac.uk/xmlui/handle/123456789/3762
Clifton T, Coley A, van den Hoogen R(2012). Observational cosmology in macroscopic gravity. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (10) Article ARTN 044,
10.1088/1475-7516/2012/10/044
https://qmro.qmul.ac.uk/xmlui/handle/123456789/3761
Clifton T, Rosquist K, Tavakol R(2012). An exact quantification of backreaction in relativistic cosmology. PHYSICAL REVIEW D vol. 86, (4) Article ARTN 043506,
10.1103/PhysRevD.86.043506
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17819
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) Article ARTN 051303,
10.1103/PhysRevLett.109.051303
Clifton T, Clarkson C, Bull P(2012). The isotropic blackbody CMB as evidence for a homogeneous universe. Physical Review Letters vol. 109, Article 051303,
10.1103/PhysRevLett.109.051303
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17842
CLIFTON TA, Bull P(2012). Local and non-local measures of acceleration in cosmology. Physical Review D: Particles, Fields, Gravitation and Cosmology vol. 85, (10) Article 103512,
https://qmro.qmul.ac.uk/xmlui/handle/123456789/18954
Bull P, Clifton T(2012). Local and nonlocal measures of acceleration in cosmology. PHYSICAL REVIEW D vol. 85, (10) Article ARTN 103512,
10.1103/PhysRevD.85.103512
https://qmro.qmul.ac.uk/xmlui/handle/123456789/57035
Clifton T, Ferreira PG, Padilla A, Skordis C(2012). Modified gravity and cosmology. PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS vol. 513, (1-3) 1-189.
10.1016/j.physrep.2012.01.001
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17822
Clarkson C, Clifton T, Coley A, Sung R(2012). Observational constraints on the averaged universe. PHYSICAL REVIEW D vol. 85, (4) Article ARTN 043506,
10.1103/PhysRevD.85.043506
Clifton T, Ferreira PG, O'Donnell K(2012). Improved treatment of optics in the Lindquist-Wheeler models. PHYSICAL REVIEW D vol. 85, (2) Article ARTN 023502,
10.1103/PhysRevD.85.023502
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17823
CLIFTON TA, BULL, P, FERREIRA PG(2012). The kSZ effect as a test of general radial inhomogeneity in LTB cosmology. Physical Review D: Particles, Fields, Gravitation and Cosmology vol. 85, Article 024002,
10.1103/PhysRevD.85.024002
https://qmro.qmul.ac.uk/xmlui/handle/123456789/57041
Clifton T(2011). Cosmology without averaging. Classical and Quantum Gravity vol. 28, (16) 164011-164011.
10.1088/0264-9381/28/16/164011
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17847
Shafieloo A, Clifton T, Ferreira P(2011). The crossing statistic: dealing with unknown errors in the dispersion of Type Ia supernovae. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (8) Article ARTN 017,
10.1088/1475-7516/2011/08/017
Clifton T(2011). Is Dark Energy an illusion?. PROGRESS IN PARTICLE AND NUCLEAR PHYSICS vol. 66, (2) 181-192.
10.1016/j.ppnp.2011.01.004
Clifton T, Banados M, Skordis C(2010). The parameterized post-Newtonian limit of bimetric theories of gravity. CLASSICAL AND QUANTUM GRAVITY vol. 27, (23) Article ARTN 235020,
10.1088/0264-9381/27/23/235020
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17850
Clifton T, Zlosnik TG(2010). FRW cosmology in Milgrom's bimetric theory of gravity. PHYSICAL REVIEW D vol. 81, (10) Article ARTN 103525,
10.1103/PhysRevD.81.103525
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17848
Clifton T, Barrow JD(2010). Observational constraints on the completeness of space near astrophysical objects. PHYSICAL REVIEW D vol. 81, (6) Article ARTN 063006,
10.1103/PhysRevD.81.063006
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17851
Clifton T, Zuntz J(2009). Hubble diagram dispersion from large-scale structure. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY vol. 400, (4) 2185-2199.
10.1111/j.1365-2966.2009.15616.x
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17863
Clifton T, Ferreira PG(2009). Errors in estimating Omega(Lambda) due to the fluid approximation. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (10) Article ARTN 026,
10.1088/1475-7516/2009/10/026
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17849
Clifton T, Ferreira PG(2009). Archipelagian Cosmology: Dynamics and Observables in a Universe with Discretized Matter Content. Phys.Rev.D80:103503,2009; Phys.Rev.D84:109902,2011 vol. 80, (10) Article 103503,
10.1103/PhysRevD.80.103503
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17843
Clifton T, Ferreira PG, Zuntz J(2009). What the small angle CMB really tells us about the curvature of the Universe. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (7) Article ARTN 029,
10.1088/1475-7516/2009/07/029
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17844
Clarkson C, Clifton T, February S(2009). Perturbation theory in Lemaitre-Tolman-Bondi cosmology. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (6) Article ARTN 025,
10.1088/1475-7516/2009/06/025
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17865
Clifton T, Ferreira PG(2009). Does dark energy really exist?. Sci Am vol. 300, (4) 48-55.
10.1038/scientificamerican0409-48
Clifton T(2008). Higher powers in gravitation. PHYSICAL REVIEW D vol. 78, (8) Article ARTN 083501,
10.1103/PhysRevD.78.083501
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17873
Clifton T(2008). Properties of black hole radiation from tunnelling. CLASSICAL AND QUANTUM GRAVITY vol. 25, (17) Article ARTN 175022,
10.1088/0264-9381/25/17/175022
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17870
Clifton T, Ferreira PG, Land K(2008). Living in a Void: Testing the Copernican Principle with Distant Supernovae. Phys. Rev. Lett. 101 (2008) 131302 vol. 101, (13) Article 131302,
10.1103/PhysRevLett.101.131302
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17866
Clifton T, Weisberg JM(2008). A Simple Model for Pulse Profiles from Precessing Pulsars, with Special Application to Relativistic Binary PSR B1913+16. The Astrophysical Journal: an international review of astronomy and astronomical physics vol. 679, (1) 687-696.
10.1086/587049
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17868
Clifton T(2008). Parametrized post-Newtonian limit of fourth-order theories of gravity. PHYSICAL REVIEW D vol. 77, (2) Article ARTN 024041,
10.1103/PhysRevD.77.024041
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17872
Clifton T(2007). Exact Friedmann solutions in higher-order gravity theories. Classical and Quantum Gravity vol. 24, (20) 5073-5091.
10.1088/0264-9381/24/20/010
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17878
Clifton T, Shenker S, Sivanandam N(2007). Volume weighted measures of eternal inflation in the Bousso-Polchinski landscape. Journal of High Energy Physics vol. 2007, (09) 034-034.
10.1088/1126-6708/2007/09/034
https://qmro.qmul.ac.uk/xmlui/handle/123456789/18032
Clifton T, Barrow JD(2007). Ups and downs of cyclic universes. Physical Review D vol. 75, (4) Article 043515,
10.1103/physrevd.75.043515
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17879
Clifton T, Linde A, Sivanandam N(2007). Islands in the landscape. Journal of High Energy Physics vol. 2007, (02) 024-024.
10.1088/1126-6708/2007/02/024
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17891
Clifton T(2006). Spherically symmetric solutions to fourth-order theories of gravity. Classical and Quantum Gravity vol. 23, (24) 7445-7453.
10.1088/0264-9381/23/24/015
https://qmro.qmul.ac.uk/xmlui/handle/123456789/17890
Barrow JD, Clifton T(2006). Cosmologies with energy exchange. Physical Review D vol. 73, (10) Article 103520,
10.1103/physrevd.73.103520
https://qmro.qmul.ac.uk/xmlui/handle/123456789/18030
Clifton T, Barrow JD(2006). Decaying gravity. Physical Review D vol. 73, (10) Article 104022,
10.1103/physrevd.73.104022
https://qmro.qmul.ac.uk/xmlui/handle/123456789/18042
Clifton T, Barrow JD(2006). Further exact cosmological solutions to higher-order gravity theories. Classical and Quantum Gravity vol. 23, (9) 2951-2962.
10.1088/0264-9381/23/9/011
https://qmro.qmul.ac.uk/xmlui/handle/123456789/18044
Clifton T, Barrow JD(2005). The existence of Gödel, Einstein, and de Sitter universes. Physical Review D vol. 72, (12) Article 123003,
10.1103/physrevd.72.123003
https://qmro.qmul.ac.uk/xmlui/handle/123456789/18065
Barrow JD, Clifton T(2005). Exact cosmological solutions of scale-invariant gravity theories. Classical and Quantum Gravity vol. 23, (1) L1-L6.
10.1088/0264-9381/23/1/l01
https://qmro.qmul.ac.uk/xmlui/handle/123456789/18067
Clifton T, Barrow JD(2005). The power of general relativity. Physical Review D vol. 72, (10) Article 103005,
10.1103/physrevd.72.103005
https://qmro.qmul.ac.uk/xmlui/handle/123456789/18045
Clifton T, Barrow JD, Scherrer RJ(2005). Constraints on the variation ofGfrom primordial nucleosynthesis. Physical Review D vol. 71, (12) Article 123526,
10.1103/physrevd.71.123526
https://qmro.qmul.ac.uk/xmlui/handle/123456789/18066
Clifton T, Mota DF, Barrow JD(2005). Inhomogeneous gravity. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY vol. 358, (2) 601-613.
10.1111/j.1365-2966.2005.08831.x
https://qmro.qmul.ac.uk/xmlui/handle/123456789/18046
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