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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

CMB lensing power spectrum estimation without instrument noise bias
MS Madhavacheril, KM Smith, BD Sherwin, S Naess
– Journal of Cosmology and Astroparticle Physics
(2021)
2021,
028
(doi: 10.1088/1475-7516/2021/05/028)
Partially constrained internal linear combination: A method for low-noise CMB foreground mitigation
YS Abylkairov, O Darwish, JC Hill, BD Sherwin
– Physical Review D
(2021)
103,
103510
(doi: 10.1103/physrevd.103.103510)
Determining the Hubble constant without the sound horizon: Measurements from galaxy surveys
OHE Philcox, BD Sherwin, GS Farren, EJ Baxter
– Physical Review D
(2021)
103,
023538
(doi: 10.1103/physrevd.103.023538)
The Atacama Cosmology Telescope: Delensed power spectra and parameters
D Han, N Sehgal, A MacInnis, A van Engelen, BD Sherwin, MS Madhavacheril, S Aiola, N Battaglia, JA Beall, DT Becker, E Calabrese, SK Choi, O Darwish, EV Denison, MJ Devlin, J Dunkley, S Ferraro, AE Fox, M Hasselfield, JC Hill, GC Hilton, M Hilton, R Hložek, J Hubmayr, JP Hughes et al.
– Journal of Cosmology and Astroparticle Physics
(2021)
2021,
031
(doi: 10.1088/1475-7516/2021/01/031)
The Atacama Cosmology Telescope: DR4 maps and cosmological parameters
S Aiola, E Calabrese, L Maurin, S Naess, BL Schmitt, MH Abitbol, GE Addison, PAR Ade, D Alonso, M Amiri, S Amodeo, E Angile, JE Austermann, T Baildon, N Battaglia, JA Beall, R Bean, DT Becker, JR Bond, SM Bruno, V Calafut, LE Campusano, F Carrero, GE Chesmore, H-M Cho et al.
– Journal of Cosmology and Astroparticle Physics
(2020)
2020,
047
(doi: 10.1088/1475-7516/2020/12/047)
The Atacama Cosmology Telescope: a measurement of the Cosmic Microwave Background power spectra at 98 and 150 GHz
SK Choi, M Hasselfield, S-PP Ho, B Koopman, M Lungu, MH Abitbol, GE Addison, PAR Ade, S Aiola, D Alonso, M Amiri, S Amodeo, E Angile, JE Austermann, T Baildon, N Battaglia, JA Beall, R Bean, DT Becker, JR Bond, SM Bruno, E Calabrese, V Calafut, LE Campusano, F Carrero et al.
– The Astrophysical Journal
(2020)
722,
045
(doi: 10.1088/0004-637X/722/2/1148)
The Atacama Cosmology Telescope: Arcminute-resolution maps of 18 000 square degrees of the microwave sky from ACT 2008–2018 data combined with Planck
S Naess, S Aiola, JE Austermann, N Battaglia, JA Beall, DT Becker, RJ Bond, E Calabrese, SK Choi, NF Cothard, KT Crowley, O Darwish, R Datta, EV Denison, M Devlin, CJ Duell, SM Duff, AJ Duivenvoorden, J Dunkley, R Dünner, AE Fox, PA Gallardo, M Halpern, D Han, M Hasselfield et al.
– Journal of Cosmology and Astroparticle Physics
(2020)
2020,
046
(doi: 10.1088/1475-7516/2020/12/046)
LiteBIRD satellite: JAXA's new strategic L-class mission for all-sky surveys of cosmic microwave background polarization
M Hazumi, PAR Ade, A Adler, E Allys, K Arnold, D Auguste, J Aumont, R Aurlien, J Austermann, C Baccigalupi, AJ Banday, R Banjeri, RB Barreiro, S Basak, J Beall, D Beck, S Beckman, J Bermejo, P de Bernardis, M Bersanelli, J Bonis, J Borrill, F Boulanger, S Bounissou, M Brilenkov et al.
– Space Telescopes and Instrumentation 2020: Optical, Infrared, and Millimeter Wave
(2020)
11443,
249
(doi: 10.1117/12.2563050)
Concept design of low frequency telescope for CMB B-mode polarization satellite LiteBIRD
Y Sekimoto, P Ade, A Adler, E Allys, K Arnold, D Auguste, J Aumont, R Aurlien, J Austermann, C Baccigalupi, A Banday, R Banerji, R Barreiro, S Basak, J Beall, D Beck, S Beckman, J Bermejo, P de Bernardis, M Bersanelli, J Bonis, J Borrill, F Boulanger, S Bounissou, M Brilenkov et al.
– Proceedings of SPIE the International Society for Optical Engineering
(2020)
11453,
37
(doi: 10.1117/12.2561841)
Determining the Hubble constant without the sound horizon scale: Measurements from CMB lensing
EJ Baxter, BD Sherwin
– Monthly Notices of the Royal Astronomical Society
(2020)
501,
1823
(doi: 10.1093/mnras/staa3706)
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Research Group

Relativity and Gravitation

Email

bds30@damtp.cam.ac.uk

Room

B2.06

Telephone

01223 337906

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About the University

Research at Cambridge