
Career
-
2017-present Professor of Cosmology and Astrophysics
- Deputy Director, Institute of Astromony
- Deputy Director, Kavli Institute for Cosmology, Cambridge
- 2011-2017 Reader in Astrophysics and Cosmology
- 2006 -2011 University Lecturer, Institute of Astronomy and DAMTP
- 2002 -2007 Royal Society University Research Fellow
- 2000 -2002 PPARC Postdoctoral Research Fellow
- 1998 -present Fellow, Queens' College
Research
I have a range of research interests in physical and theoretical cosmology, mostly centred on the issue of testing the cosmological model and the origin of cosmic structure with cosmological observations. A particular focus is the the origin, interpretation, and measurement of temperature anisotropies and polarization in the CMB. I am a Core Team member of the Planck High-Frequency Instrument and a member of the Simons Observatory with particular interests in lensing of the CMB, constraining the key cosmological parameters and searching for B-mode polarization induced by gravitational waves from the early universe.
Selected Publications
Publications
Snowmass2021 Cosmic Frontier: Cosmic Microwave Background Measurements
White Paper
(2022)
Simons Observatory: Constraining inflationary gravitational waves with multitracer B-mode delensing
– Physical Review D
(2022)
105,
023511
(doi: 10.1103/physrevd.105.023511)
Planck 2018 results
– Astronomy & Astrophysics
(2021)
652,
c4
(doi: 10.1051/0004-6361/201833910e)
Limitations of CMB B-mode template delensing
– Physical Review D
(2021)
103,
023518
(doi: 10.1103/physrevd.103.023518)
Revised estimates of CMB $B$-mode polarization induced by patchy
reionization
– Journal of Cosmology and Astroparticle Physics
(2021)
2021,
003
Fast computation of angular power spectra and covariances of high-resolution cosmic microwave background maps using the Toeplitz approximation
– Physical Review D
(2020)
102,
123538
(doi: 10.1103/physrevd.102.123538)
Understanding parameter differences between analyses employing nested data subsets
– Monthly Notices of the Royal Astronomical Society
(2020)
499,
3410
(doi: 10.1093/mnras/staa2996)
Planck 2018 results: IX. Constraints on primordial non-Gaussianity
– Astronomy and Astrophysics
(2020)
641,
ARTN A9
(doi: 10.1051/0004-6361/201935891)
Planck 2018 results. VIII. Gravitational lensing
– Astronomy and Astrophysics
(2020)
641,
A8
(doi: 10.1051/0004-6361/201833886)
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