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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

Atacama Cosmology Telescope: High-resolution component-separated maps across one third of the sky
W Coulton, MS Madhavacheril, AJ Duivenvoorden, JC Hill, I Abril-Cabezas, PAR Ade, S Aiola, T Alford, M Amiri, S Amodeo, R An, Z Atkins, JE Austermann, N Battaglia, ES Battistelli, JA Beall, R Bean, B Beringue, T Bhandarkar, E Biermann, B Bolliet, JR Bond, H Cai, E Calabrese, V Calafut et al.
– Physical Review D
(2024)
109,
063530
(doi: 10.1103/PhysRevD.109.063530)
The Atacama Cosmology Telescope: DR6 Gravitational Lensing Map and Cosmological Parameters
MS Madhavacheril, FJ Qu, BD Sherwin, N MacCrann, Y Li, I Abril-Cabezas, PAR Ade, S Aiola, T Alford, M Amiri, S Amodeo, R An, Z Atkins, JE Austermann, N Battaglia, ES Battistelli, JA Beall, R Bean, B Beringue, T Bhandarkar, E Biermann, B Bolliet, JR Bond, H Cai, E Calabrese et al.
– The Astrophysical Journal
(2024)
962,
113
(doi: 10.3847/1538-4357/acff5f)
The Atacama Cosmology Telescope: A Measurement of the DR6 CMB Lensing Power Spectrum and Its Implications for Structure Growth
FJ Qu, BD Sherwin, MS Madhavacheril, D Han, KT Crowley, I Abril-Cabezas, PAR Ade, S Aiola, T Alford, M Amiri, S Amodeo, R An, Z Atkins, JE Austermann, N Battaglia, ES Battistelli, JA Beall, R Bean, B Beringue, T Bhandarkar, E Biermann, B Bolliet, JR Bond, H Cai, E Calabrese et al.
– Astrophysical Journal
(2024)
962,
112
(doi: 10.3847/1538-4357/acfe06)
Cosmological constraints from the tomography of DES-Y3 galaxies with CMB lensing from ACT DR4
GA Marques, MS Madhavacheril, O Darwish, S Shaikh, M Aguena, O Alves, S Avila, D Bacon, EJ Baxter, K Bechtol, MR Becker, E Bertin, J Blazek, JR Bond, D Brooks, H Cai, E Calabrese, AC Rosell, MC Kind, J Carretero, R Cawthon, M Crocce, LN da Costa, MES Pereira, J De Vicente et al.
– Journal of Cosmology and Astroparticle Physics
(2024)
2024,
033
(doi: 10.1088/1475-7516/2024/01/033)
Cosmology from cross-correlation of ACT-DR4 CMB lensing and DES-Y3 cosmic shear
S Shaikh, I Harrison, A van Engelen, GA Marques, TMC Abbott, M Aguena, O Alves, A Amon, R An, D Bacon, N Battaglia, MR Becker, GM Bernstein, E Bertin, J Blazek, JR Bond, D Brooks, DL Burke, E Calabrese, AC Rosell, J Carretero, R Cawthon, C Chang, R Chen, A Choi et al.
– Monthly Notices of the Royal Astronomical Society
(2024)
528,
2112
(doi: 10.1093/mnras/stad3987)
Canonical Hubble-Tension-Resolving Early Dark Energy Cosmologies Are Inconsistent with the Lyman-α Forest
S Goldstein, JC Hill, V Iršič, BD Sherwin
– Physical review letters
(2023)
131,
201001
(doi: 10.1103/PhysRevLett.131.201001)
Impact of Galactic dust non-Gaussianity on searches for B-modes from inflation
I Abril-Cabezas, C Hervías-Caimapo, S von Hausegger, BD Sherwin, D Alonso
– Monthly Notices of the Royal Astronomical Society
(2023)
527,
5751
(doi: 10.1093/mnras/stad3529)
New Probe of Inflationary Gravitational Waves: Cross-Correlations of Lensed Primary CMB B-Modes with Large-Scale Structure.
T Namikawa, BD Sherwin
– Phys Rev Lett
(2023)
131,
131001
(doi: 10.1103/physrevlett.131.131001)
CMB lensing with shear-only reconstruction on the full sky
FJ Qu, A Challinor, BD Sherwin
– Physical Review D
(2023)
108,
063518
(doi: 10.1103/physrevd.108.063518)
Probing early structure and model-independent neutrino mass with high-redshift CMB lensing mass maps
FJ Qu, BD Sherwin, O Darwish, T Namikawa, MS Madhavacheril
– Physical Review D
(2023)
107,
123540
(doi: 10.1103/PhysRevD.107.123540)
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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