Personal profile
Biography
I was an undergraduate at the University of Maryland and received my PhD from Penn in 1993 working with Paul Steinhardt. After postdoctoral positions at Princeton University and CITA in Toronto, I went to Cambridge as a PPARC Advanced Fellow. I joined the ICG just after it was formed in 2002 as a Reader in Cosmology and was promoted to Professor of Cosmology in 2014.
My research primarily concerns understanding how structure in the Universe formed and evolved, through observations of the cosmic microwave background, the distribution of galaxies and weak gravitational lensing. I am possibly best known for studying how galaxies and the CMB are correlated through the integrated Sachs-Wolfe effect, which provides independent evidence for the existence of dark energy.
Research Interests
Cosmology, Cosmic microwave background, Large scale structure, Dark energy, Early Universe, Magnetic fields.
Fingerprint
- 1 Similar Profiles
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Forecasts for interacting dark energy with time-dependent momentum exchange
Cruickshank, N., Crittenden, R., Koyama, K. & Bruni, M., 14 Oct 2025, In: Journal of Cosmology and Astroparticle Physics. 2025, 10, 25 p., 052.Research output: Contribution to journal › Article › peer-review
Open AccessFile3 Downloads (Pure) -
A multitracer analysis for the eBOSS galaxy sample based on the effective field theory of large-scale structure
Zhao, R., Mu, X., Gsponer, R., Donald-McCann, J., Feng, Y., Zhang, W., Wang, Y., Zhao, G.-B., Koyama, K., Bacon, D. & Crittenden, R. G., 2 Jul 2024, In: Monthly Notices of the Royal Astronomical Society. 532, 1, p. 783–804Research output: Contribution to journal › Article › peer-review
Open AccessFile42 Downloads (Pure) -
Cosmological constraints on early dark energy from the full shape analysis of eBOSS DR16
Gsponer, R., Zhao, R., Donald-McCann, J., Bacon, D., Koyama, K., Crittenden, R., Simon, T. & Mueller, E.-M., 1 May 2024, In: Monthly Notices of the Royal Astronomical Society. 530, 3, p. 3075–3099Research output: Contribution to journal › Article › peer-review
Open AccessFile51 Downloads (Pure) -
Desi 2024: Reconstructing dark energy using Crossing Statistics with DESI DR1 BAO data
Calderon, R., Lodha, K., Shafieloo, A., Linder, E., Sohn, W., Mattia, A. D., Cervantes-Cota, J. L., Crittenden, R., Davis, T. M., Ishak, M., Kim, A. G., Matthewson, W., Niz, G., Park, S., Aguilar, J., Ahlen, S., Allen, S., Brooks, D., Claybaugh, T. & Macorra, A. D. L. & 35 others, , 15 Oct 2024, In: Journal of Cosmology and Astroparticle Physics. 2024, 10, 26 p., 048.Research output: Contribution to journal › Article › peer-review
Open AccessFile375 Downloads (Pure) -
Momentum transfer models of interacting dark energy
Linton, M. S., Crittenden, R. & Pourtsidou, A., 31 Aug 2022, In: Journal of Cosmology and Astroparticle Physics. 08, 075, 24 p., 075.Research output: Contribution to journal › Article › peer-review
Open AccessFile80 Downloads (Pure)
Datasets
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Data availability statement for 'Latest evidence for a late time vacuum-geodesic CDM interaction'.
Hogg, N. (Creator), Bruni, M. (Creator) & Crittenden, R. (Creator), Elsevier BV, 30 Apr 2020
Dataset
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Data availabilty statement for 'Dark Energy Survey year 1 results: cosmological constraints from galaxy clustering and weak lensing'.
Avila Perez, S. J. (Creator), Bacon, D. (Creator), Crittenden, R. (Creator), Nichol, B. (Creator) & Thomas, D. (Creator), American Physical Society, 27 Aug 2018
Dataset
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Data availability statement for 'Hybrid-basis inference for large-scale galaxy clustering: combining spherical and Cartesian Fourier analyses'.
Wang, S. (Creator), Avila Perez, S. (Creator), Bianchi, D. (Creator), Crittenden, R. (Creator) & Percival, W. (Creator), IOP Publishing, 8 Oct 2020
Dataset
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Data availability statement for 'Cosmological inference from galaxy-clustering power spectrum: Gaussianization and covariance decomposition'.
Wang, S. (Creator), Percival, W. (Creator), Avila Perez, S. (Creator), Crittenden, R. (Creator) & Bianchi, D. (Creator), Oxford University Press, 1 Jun 2019
Dataset
Projects
- 7 Finished
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Cosmology, Gravitation and Astrophysics at Portsmouth
Crittenden, R. (PI), Amara, A. (CoI), Assadullahi, H. (CoI), Bacon, D. (CoI), Graur, O. (CoI), Koyama, K. (CoI), Wands, D. (CoI) & Noller, J. (CoI)
1/04/22 → 31/03/25
Project: Research
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COSMOVOID: Cosmology with voids and superclusters: combining theory, simulation and observation
Crittenden, R. (PI) & Nadathur, S. (CoI)
1/10/15 → 30/09/17
Project: Research
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Cosmological Pertubations: Very Early Universe
Nichol, B. (PI), Wands, D. (CoI), Koyama, K. (CoI), Crittenden, R. (CoI) & Bruni, M. (CoI)
Science and Technology Facilities Council
1/11/13 → 31/03/15
Project: Research
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Cosmology and Astrophysics at Portsmouth
Nichol, B. (PI), Maartens, R. (CoI), Maraston, C. (CoI), Wands, D. (CoI), Thomas, D. (CoI), Crittenden, R. (CoI), Bacon, D. (CoI), Koyama, K. (CoI), Bruni, M. (CoI) & Percival, W. (CoI)
Science and Technology Facilities Council
1/04/13 → 31/03/16
Project: Research
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Survey Roller
Nichol, B. (PI), Maartens, R. (CoI), Thomas, D. (CoI), Maraston, C. (CoI), Bacon, D. (CoI), Crittenden, R. (CoI) & Percival, W. (CoI)
Science and Technology Facilities Council
1/04/11 → 31/03/15
Project: Research
Activities
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STFC Large and Small award reviewer
Crittenden, R. (Reviewer)
11 Apr 2024 → …Activity: Grant Peer-Review › Grant Peer-Reviewer (External)
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Physical Review D - Particles, Fields, Gravitation and Cosmology (Journal)
Crittenden, R. (Peer reviewer)
2024 → …Activity: Publication peer-review and editorial work types › Publication peer-review
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Presentation to Korean Astronomy and Space Science Institute: Cosmology group
Crittenden, R. (Speaker)
15 Jun 2023Activity: Talk or presentation types › Invited talk
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Journal of Cosmology and Astroparticle Physics (Journal)
Crittenden, R. (Guest editor)
2023 → …Activity: Publication peer-review and editorial work types › Publication peer-review
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Invited speaker at the Lorentz Center
Crittenden, R. (Speaker)
29 Jun 2022Activity: Talk or presentation types › Oral presentation