Timothy Clifton

7.4k total citations · 2 hit papers
70 papers, 4.8k citations indexed

About

Timothy Clifton is a scholar working on Astronomy and Astrophysics, Nuclear and High Energy Physics and Oceanography. According to data from OpenAlex, Timothy Clifton has authored 70 papers receiving a total of 4.8k indexed citations (citations by other indexed papers that have themselves been cited), including 68 papers in Astronomy and Astrophysics, 46 papers in Nuclear and High Energy Physics and 8 papers in Oceanography. Recurrent topics in Timothy Clifton's work include Cosmology and Gravitation Theories (58 papers), Black Holes and Theoretical Physics (42 papers) and Galaxies: Formation, Evolution, Phenomena (24 papers). Timothy Clifton is often cited by papers focused on Cosmology and Gravitation Theories (58 papers), Black Holes and Theoretical Physics (42 papers) and Galaxies: Formation, Evolution, Phenomena (24 papers). Timothy Clifton collaborates with scholars based in United Kingdom, South Africa and United States. Timothy Clifton's co-authors include Pedro G. Ferreira, Antonio Padilla, Constantinos Skordis, John D. Barrow, P. Carrilho, Pedro G. S. Fernandes, David J. Mulryne, A. G. Lyne, Philip Bull and David F. Mota and has published in prestigious journals such as Nature, Physical Review Letters and The Astrophysical Journal.

In The Last Decade

Timothy Clifton

66 papers receiving 4.7k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Modified gravity and cosmology

2012 2.7k citations Timothy Clifton, Pedro G. Ferreira et al. Physics Reports profile →
The 4D Einstein–Gauss–Bonnet theory of gravity: a review

2022 112 citations Timothy Clifton et al. Classical and Quantum Gravity profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Timothy Clifton United Kingdom	25	4.7k	3.7k	500	438	156	70	4.8k
Gianmassimo Tasinato United Kingdom	38	4.0k 0.9×	3.0k 0.8×	444 0.9×	406 0.9×	141 0.9×	106	4.2k
Filippo Vernizzi France	30	3.7k 0.8×	2.6k 0.7×	361 0.7×	259 0.6×	92 0.6×	56	3.8k
Marco Peloso United States	37	4.8k 1.0×	3.7k 1.0×	622 1.2×	303 0.7×	167 1.1×	95	5.0k
Jun’ichi Yokoyama Japan	43	5.6k 1.2×	4.5k 1.2×	574 1.1×	363 0.8×	254 1.6×	169	5.8k
Sunny Vagnozzi Italy	41	5.1k 1.1×	4.0k 1.1×	304 0.6×	400 0.9×	211 1.4×	65	5.6k
Paolo Creminelli Italy	32	3.9k 0.8×	3.4k 0.9×	359 0.7×	391 0.9×	83 0.5×	56	4.4k
Yi-Fu Cai China	42	5.6k 1.2×	4.7k 1.3×	589 1.2×	781 1.8×	324 2.1×	153	5.9k
Mairi Sakellariadou United Kingdom	34	3.0k 0.6×	2.1k 0.6×	248 0.5×	580 1.3×	258 1.7×	135	3.2k
Amanda Weltman South Africa	19	3.1k 0.7×	2.2k 0.6×	268 0.5×	252 0.6×	318 2.0×	35	3.3k
Lavinia Heisenberg Switzerland	35	4.4k 0.9×	3.7k 1.0×	584 1.2×	462 1.1×	121 0.8×	101	4.5k

Countries citing papers authored by Timothy Clifton

Since Specialization

Citations

This map shows the geographic impact of Timothy Clifton's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Timothy Clifton with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Timothy Clifton more than expected).

Fields of papers citing papers by Timothy Clifton

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Timothy Clifton. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Timothy Clifton. The network helps show where Timothy Clifton may publish in the future.

Co-authorship network of co-authors of Timothy Clifton

This figure shows the co-authorship network connecting the top 25 collaborators of Timothy Clifton. A scholar is included among the top collaborators of Timothy Clifton based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Timothy Clifton. Timothy Clifton is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

1.

Clifton, Timothy, et al.. (2025). Gravitational slip in the parameterized post-Newtonian cosmology. Classical and Quantum Gravity. 42(19). 195018–195018.

2.

Clifton, Timothy, et al.. (2024). A radical solution to the Hubble tension problem. Journal of Cosmology and Astroparticle Physics. 2024(8). 52–52. 7 indexed citations

3.

Clifton, Timothy, et al.. (2024). Constraining Post-Newtonian Parameters with the Cosmic Microwave Background. Journal of Cosmology and Astroparticle Physics. 2024(9). 39–39. 3 indexed citations

4.

Clifton, Timothy, et al.. (2024). Emergent cosmological expansion in scalar–tensor theories of gravity. Classical and Quantum Gravity. 42(1). 15013–15013. 1 indexed citations

5.

Clifton, Timothy, et al.. (2023). Modelling the emergence of cosmic anisotropy from non-linear structures. Classical and Quantum Gravity. 40(14). 145004–145004. 4 indexed citations

6.

Clifton, Timothy, et al.. (2023). Scale-dependent gravitational couplings in Parameterised Post-Newtonian Cosmology. Journal of Cosmology and Astroparticle Physics. 2023(4). 16–16. 5 indexed citations

7.

Clifton, Timothy, et al.. (2019). Discrete cosmological models in the Brans–Dicke theory of gravity. Classical and Quantum Gravity. 36(18). 185011–185011. 2 indexed citations

8.

Clifton, Timothy, et al.. (2019). Parametrizing Theories of Gravity on Large and Small Scales in Cosmology. Physical Review Letters. 122(1). 11301–11301. 15 indexed citations

9.

Clifton, Timothy, et al.. (2017). Cosmological solutions with charged black holes. General Relativity and Gravitation. 49(7). 2 indexed citations

10.

Clifton, Timothy, George Ellis, & Reza Tavakol. (2013). A gravitational entropy proposal. Classical and Quantum Gravity. 30(12). 125009–125009. 40 indexed citations

11.

Clifton, Timothy, Pedro G. Ferreira, Antonio Padilla, & Constantinos Skordis. (2012). Modified gravity and cosmology. Physics Reports. 513(1-3). 1–189. 2674 indexed citations breakdown →

12.

Clifton, Timothy, A. A. Coley, & R. J. van den Hoogen. (2012). Observational cosmology in macroscopic gravity. Journal of Cosmology and Astroparticle Physics. 2012(10). 44–44. 5 indexed citations

13.

Clifton, Timothy, Chris Clarkson, & Philip Bull. (2012). Isotropic Blackbody Cosmic Microwave Background Radiation as Evidence for a Homogeneous Universe. Physical Review Letters. 109(5). 51303–51303. 16 indexed citations

14.

Clifton, Timothy. (2011). Is Dark Energy an illusion?. Progress in Particle and Nuclear Physics. 66(2). 181–192.

15.

Clifton, Timothy & Pedro G. Ferreira. (2009). Does Dark Energy Really Exist?. Scientific American. 300(4). 48–55. 9 indexed citations

16.

Clifton, Timothy, Pedro G. Ferreira, & Kate Land. (2008). Living in a Void: Testing the Copernican Principle with Distant Supernovae. Physical Review Letters. 101(13). 131302–131302. 77 indexed citations

17.

Weisberg, J. M., Rachel A. Pildis, J. M. Cordes, S. R. Spangler, & Timothy Clifton. (1990). Interstellar Scattering in the Inner Galaxy. Bulletin of the American Astronomical Society. 22. 1244. 2 indexed citations

18.

Backer, D. C., et al.. (1990). A digital signal processor for pulsar research.. 232(1). 292–300. 2 indexed citations

19.

Cordes, J. M., S. R. Spangler, J. M. Weisberg, & Timothy Clifton. (1988). Galactic distribution of electron density turbulence. AIP conference proceedings. 174. 180–184. 2 indexed citations

20.

Middleditch, J., et al.. (1987). Millisecond Pulsar in M28. International Astronomical Union Circular. 4401. 1.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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