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Faculty of Mathematics

 

Professor Blake Sherwin

Career

  • 2024-: Professor of Cosmology and Astrophysics, DAMTP, University of Cambridge (and Deputy Director, Kavli Institute for Cosmology Cambridge, 2026-)
  • 2022-2024: Professor of Cosmology and Astrophysics (Grade 11), DAMTP, University of Cambridge
  • 2017-2022: Assistant Professor, DAMTP, University of Cambridge
  • 2017-2022: STFC Ernest Rutherford Fellow, DAMTP, University of Cambridge
  • 2016-2017: NASA Einstein Fellow, Physics Division, Lawrence Berkeley Laboratory
  • 2013-2016: Miller Research Fellow, Dept. of Physics, University of California, Berkeley
  • 2008-2013: Ph.D. in Physics, Princeton University
  • 2004-2008: Part III Mathematics and Parts I/II NST Physics, University of Cambridge

Research Interests

Blake is a theoretical and observational cosmologist. He has research interests across CMB and large-scale structure, with a particular focus on measurements of the gravitational lensing and scattering of the CMB.

Research Group

Blake leads the CosMicBacklight project, funded by a Consolidator Grant from the European Research Council (2026-). Group members and affiliates include:

Postdoctoral and senior researchers: 

Alex Lague

Jordan Krywonos

Ola Kusiak

Fiona McCarthy (now affiliated Royal Society University Research Fellow)

Niall MacCrann (now affiliated Royal Society University Research Fellow)

co-mentored postdocs (primarily IoA-based): Emilie Hertig, Bernardita Ried Guachalla

PhD students:

Irene Abril Cabezas

Carmen Embil-Villagra

Joseph Thornton

Guanming Liang

 

Former group members and next steps:

postdocs: Toshiya Namikawa (postdoc/SRA -> Project Associate Professor, IPMU), Louis Legrand (SNSF postdoc-> faculty, CBPF, Brazil), Giulio Fabbian (postdoc->Snr. Staff Scientist, CNRS), Boris Bolliet (postdoc/SRA -> Asst. Teaching Professor, Cambridge), Dongwon Han (postdoc -> tech. industry)

students: Gerrit Farren (PhD -> Chamberlain Fellow, LBNL), Frank Qu (PhD -> Hubble Fellow, Stanford), Omar Darwish (PhD -> postdoc U Geneva); Boryana Hadzhiyska (Masters -> PhD Harvard), Oliver Philcox (Masters -> PhD Princeton), Alex Reeves (Masters-> PhD ETH Zurich)

 

Blake's recent awards/honors also include an ERC Starting Grant (the CMBLENS project, 2020-2026) and the Royal Astronomical Society's Early Career Award (2019).

 

 

Publications

Improving small-scale CMB lensing reconstruction
B Hadzhiyska, BD Sherwin, M Madhavacheril, S Ferraro
– Physical Review D
(2019)
100,
023547
(doi: 10.1103/physrevd.100.023547)
Constraining the rotational kinematic Sunyaev-Zel'dovich effect in massive galaxy clusters
EJ Baxter, BD Sherwin, S Raghunathan
– Journal of Cosmology and Astroparticle Physics
(2019)
2019,
001
(doi: 10.1088/1475-7516/2019/06/001)
Weak-lensing Mass Calibration of ACTPol Sunyaev-Zel'dovich Clusters with the Hyper Suprime-Cam Survey
H Miyatake, N Battaglia, M Hilton, E Medezinski, AJ Nishizawa, S More, S Aiola, N Bahcall, JR Bond, E Calabrese, SK Choi, MJ Devlin, J Dunkley, R Dunner, B Fuzia, P Gallardo, M Gralla, M Hasselfield, M Halpern, C Hikage, JC Hill, AD Hincks, R Hložek, K Huffenberger, JP Hughes et al.
– Astrophysical Journal
(2019)
875,
63
(doi: 10.3847/1538-4357/ab0af0)
Reconstructing small-scale lenses from the cosmic microwave background temperature fluctuations
B Horowitz, S Ferraro, BD Sherwin
– Monthly Notices of the Royal Astronomical Society
(2019)
485,
3919
(doi: 10.1093/mnras/stz566)
The Simons Observatory: science goals and forecasts
P Ade, J Aguirre, Z Ahmed, S Aiola, A Ali, D Alonso, MA Alvarez, K Arnold, P Ashton, J Austermann, H Awan, C Baccigalupi, T Baildon, D Barron, N Battaglia, R Battye, E Baxter, A Bazarko, JA Beall, R Bean, D Beck, S Beckman, B Beringue, F Bianchini, S Boada et al.
– Journal of Cosmology and Astroparticle Physics
(2019)
2019,
056
(doi: 10.1088/1475-7516/2019/02/056)
LiteBIRD: A Satellite for the Studies of B-Mode Polarization and Inflation from Cosmic Background Radiation Detection
M Hazumi, PAR Ade, Y Akiba, D Alonso, K Arnold, J Aumont, C Baccigalupi, D Barron, S Basak, S Beckman, J Borrill, F Boulanger, M Bucher, E Calabrese, Y Chinone, S Cho, A Cukierman, DW Curtis, T de Haan, M Dobbs, A Dominjon, T Dotani, L Duband, A Ducout, J Dunkley et al.
– Journal of Low Temperature Physics
(2019)
194,
443
(doi: 10.1007/s10909-019-02150-5)
The impact of wrong assumptions in BAO reconstruction
BD Sherwin, M White
– Journal of Cosmology and Astroparticle Physics
(2019)
2019,
027
(doi: 10.1088/1475-7516/2019/02/027)
Effect of non-Gaussian lensing deflections on CMB lensing measurements
V Böhm, BD Sherwin, J Liu, JC Hill, M Schmittfull, T Namikawa
– Physical Review D
(2018)
98,
123510
(doi: 10.1103/PhysRevD.98.123510)
Non-Gaussianity of secondary anisotropies from ACTPol and Planck
WR Coulton, S Aiola, N Battaglia, E Calabrese, SK Choi, MJ Devlin, PA Gallardo, JC Hill, AD Hincks, J Hubmayr, JP Hughes, A Kosowsky, T Louis, MS Madhavacheril, M Lo{ïc, S Naess, F Nati, MD Niemack, LA Page, B Partridge, BD Sherwin, DN Spergel, ST Staggs, A Van Engelen, EJ Wollack
– Journal of Cosmology and Astroparticle Physics
(2018)
2018,
022
(doi: 10.1088/1475-7516/2018/09/022)
The POLARBEAR-2 and Simons Array Focal Plane Fabrication Status
B Westbrook, PAR Ade, M Aguilar, Y Akiba, K Arnold, C Baccigalupi, D Barron, D Beck, S Beckman, AN Bender, F Bianchini, D Boettger, J Borrill, S Chapman, Y Chinone, G Coppi, K Crowley, A Cukierman, T de Haan, R Dünner, M Dobbs, T Elleflot, J Errard, G Fabbian, SM Feeney et al.
– Journal of Low Temperature Physics
(2018)
193,
758
(doi: 10.1007/s10909-018-2059-0)
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Research Group

Relativity and Gravitation

Email

bds30@damtp.cam.ac.uk

Room

B2.06

Telephone

01223 337906

Study at Cambridge

About the University

Research at Cambridge