
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
(1+3) Covariant Dynamics of Scalar Perturbations in Braneworlds
(2002)
(doi: 10.48550/arxiv.gr-qc/0111033)
Analysis of cosmic microwave background data on an incomplete sky
– Monthly Notices of the Royal Astronomical Society
(2002)
330,
405
Analysis of CMB polarization on an incomplete sky - art. no. 023505
– Physical Review D
(2001)
65,
023505
(doi: 10.1103/physrevd.65.023505)
Peculiar velocity effects in high-resolution microwave background experiments
(2001)
Harmonic analysis of cosmic microwave background data I: ring reductions and point-source catalogue
(2001)
Harmonic analysis of cosmic microwave background data II: from ring-sets to the sky
(2001)
Air-sky convolution for polarimetry experiments
– Physical Review D
(2000)
6212,
123002
(doi: 10.1103/physrevd.62.123002)
Efficient computation of cosmic microwave background anisotropies in closed Friedmann-Robertson-Walker models
– The Astrophysical Journal
(2000)
538,
473
(doi: 10.1086/309179)
Microwave background polarization in cosmological models - art. no. 043004
– Physical Review D
(2000)
62,
043004
(doi: 10.1103/PhysRevD.62.043004)
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