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Department of Applied Mathematics and Theoretical Physics

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 list on ADS

 

Publications

The Simons Observatory: Combining cross-spectral foreground cleaning with multitracer $B$-mode delensing for improved constraints on inflation
E Hertig, K Wolz, T Namikawa, AB Lizancos, S Azzoni, I Abril-Cabezas, D Alonso, C Baccigalupi, E Calabrese, A Challinor, J Errard, G Fabbian, C Hervías-Caimapo, B Jost, N Krachmalnicoff, AI Lonappan, M Morshed, L Pagano, B Sherwin
(2024)
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, V Calafut, V Capalbo, F Carrero, A Challinor, GE Chesmore, H-M Cho, SK Choi, SE Clark, RC Rosado, NF Cothard, K Coughlin, W Coulton, KT Crowley, R Dalal, O Darwish, MJ Devlin, S Dicker, P Doze, CJ Duell, SM Duff, AJ Duivenvoorden, J Dunkley, R Dünner, V Fanfani, M Fankhanel, G Farren, S Ferraro, R Freundt, B Fuzia, PA Gallardo, X Garrido, J Givans, V Gluscevic, JE Golec, Y Guan, KR Hall, M Halpern, D Han, I Harrison, M Hasselfield, E Healy, S Henderson, B Hensley, C Hervías-Caimapo, JC Hill, GC Hilton, M Hilton, AD Hincks, R Hložek, S-PP Ho, ZB Huber, J Hubmayr, KM Huffenberger, JP Hughes, K Irwin, G Isopi, HT Jense, B Keller, J Kim, K Knowles, BJ Koopman, A Kosowsky, D Kramer, A Kusiak, A La Posta, A Lague, V Lakey, E Lee, Z Li, M Limon, M Lokken, T Louis, M Lungu, A MacInnis, D Maldonado, F Maldonado, M Mallaby-Kay, GA Marques, J McMahon, Y Mehta, F Menanteau, K Moodley, TW Morris, T Mroczkowski, S Naess, T Namikawa, F Nati, L Newburgh, A Nicola, MD Niemack, MR Nolta, J Orlowski-Scherer, LA Page, S Pandey, B Partridge, H Prince, R Puddu, F Radiconi, N Robertson, F Rojas, T Sakuma, M Salatino, E Schaan, BL Schmitt, N Sehgal, S Shaikh, C Sierra, J Sievers, C Sifón, S Simon, R Sonka, DN Spergel, ST Staggs, E Storer, ER Switzer, N Tampier, R Thornton, H Trac, J Treu, C Tucker, J Ullom, LR Vale, A Van Engelen, J Van Lanen, J van Marrewijk, C Vargas, EM Vavagiakis, K Wagoner, Y Wang, L Wenzl, EJ Wollack, Z Xu, F Zago, K Zheng
– The Astrophysical Journal
(2024)
962,
113
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, V Calafut, V Capalbo, F Carrero, J Carron, A Challinor, GE Chesmore, H-M Cho, SK Choi, SE Clark, RC Rosado, NF Cothard, K Coughlin, W Coulton, R Dalal, O Darwish, MJ Devlin, S Dicker, P Doze, CJ Duell, SM Duff, AJ Duivenvoorden, J Dunkley, R Dünner, V Fanfani, M Fankhanel, G Farren, S Ferraro, R Freundt, B Fuzia, PA Gallardo, X Garrido, V Gluscevic, JE Golec, Y Guan, M Halpern, I Harrison, M Hasselfield, E Healy, S Henderson, B Hensley, C Hervías-Caimapo, JC Hill, GC Hilton, M Hilton, AD Hincks, R Hložek, S-PP Ho, ZB Huber, J Hubmayr, KM Huffenberger, JP Hughes, K Irwin, G Isopi, HT Jense, B Keller, J Kim, K Knowles, BJ Koopman, A Kosowsky, D Kramer, A Kusiak, A La Posta, A Lague, V Lakey, E Lee, Z Li, Y Li, M Limon, M Lokken, T Louis, M Lungu, N MacCrann, A MacInnis, D Maldonado, F Maldonado, M Mallaby-Kay, GA Marques, J McMahon, Y Mehta, F Menanteau, K Moodley, TW Morris, T Mroczkowski, S Naess, T Namikawa, F Nati, L Newburgh, A Nicola, MD Niemack, MR Nolta, J Orlowski-Scherer, LA Page, S Pandey, B Partridge, H Prince, R Puddu, F Radiconi, N Robertson, F Rojas, T Sakuma, M Salatino, E Schaan, BL Schmitt, N Sehgal, S Shaikh, C Sierra, J Sievers, C Sifón, S Simon, R Sonka, DN Spergel, ST Staggs, E Storer, ER Switzer, N Tampier, R Thornton, H Trac, J Treu, C Tucker, J Ullom, LR Vale, A Van Engelen, J Van Lanen, J van Marrewijk, C Vargas, EM Vavagiakis, K Wagoner, Y Wang, L Wenzl, EJ Wollack, Z Xu, F Zago, K Zheng
– Astrophysical Journal
(2024)
962,
112
Flat-sky Angular Power Spectra Revisited
Z Gao, Z Vlah, A Challinor
– Journal of Cosmology and Astroparticle Physics
(2024)
003
Flat-sky angular power spectra revisited
Z Gao, Z Vlah, A Challinor
– Journal of Cosmology and Astroparticle Physics
(2024)
2024,
003
Flat-sky angular power spectra revisited
Z Gao, Z Vlah, A Challinor
– Journal of Cosmology and Astroparticle Physics
(2024)
2024,
003
LiteBIRD Science Goals and Forecasts: Improving Sensitivity to Inflationary Gravitational Waves with Multitracer Delensing
T Namikawa, AI Lonappan, C Baccigalupi, N Bartolo, D Beck, K Benabed, A Challinor, P Diego-Palazuelos, J Errard, S Farrens, A Gruppuso, N Krachmalnicoff, M Migliaccio, E Martínez-González, V Pettorino, G Piccirilli, M Ruiz-Granda, B Sherwin, J Starck, P Vielva, R Akizawa, A Anand, J Aumont, R Aurlien, S Azzoni, M Ballardini, AJ Banday, RB Barreiro, M Bersanelli, D Blinov, M Bortolami, T Brinckmann, E Calabrese, P Campeti, A Carones, F Carralot, FJ Casas, K Cheung, L Clermont, F Columbro, G Conenna, A Coppolecchia, F Cuttaia, G D'Alessandro, PD Bernardis, TD Haan, MD Petris, SD Torre, ED Giorgi, HK Eriksen, F Finelli, C Franceschet, U Fuskeland, G Galloni, M Galloway, M Georges, M Gerbino, M Gervasi, T Ghigna, S Giardiello, C Gimeno-Amo, E Gjerløw, M Hazumi, S Henrot-Versillé, LT Hergt, E Hivon, K Kohri, E Komatsu, L Lamagna, M Lattanzi, C Leloup, M Lembo, M López-Caniego, G Luzzi, B Maffei, S Masi, M Massa, S Matarrese, T Matsumura, S Micheli, A Moggi, M Monelli, L Montier, G Morgante, B Mot, L Mousset, R Nagata, P Natoli, A Novelli, I Obata, A Occhiuzzi, L Pagano, A Paiella, D Paoletti, G Pascual-Cisneros, V Pavlidou, F Piacentini, M Pinchera, G Pisano, G Polenta, G Puglisi, M Remazeilles, A Ritacco, A Rizzieri, J Rubino-Martin, Y Sakurai, D Scott, M Shiraishi, G Signorelli, SL Stever, Y Takase, H Tanimura, A Tartari, K Tassis, L Terenzi, M Tristram, L Vacher, BV Tent, IK Wehus, G Weymann-Despres, M Zannoni, Y Zhou
(2023)
LiteBIRD Science Goals and Forecasts: A full-sky measurement of gravitational lensing of the CMB
AI Lonappan, T Namikawa, G Piccirilli, P Diego-Palazuelos, M Ruiz-Granda, M Migliaccio, C Baccigalupi, N Bartolo, D Beck, K Benabed, A Challinor, J Errard, S Farrens, A Gruppuso, N Krachmalnicoff, E Martínez-González, V Pettorino, B Sherwin, J Starck, P Vielva, R Akizawa, A Anand, J Aumont, R Aurlien, S Azzoni, M Ballardini, AJ Banday, RB Barreiro, M Bersanelli, D Blinov, M Bortolami, T Brinckmann, E Calabrese, P Campeti, A Carones, F Carralot, FJ Casas, K Cheung, L Clermont, F Columbro, G Conenna, A Coppolecchia, F Cuttaia, G D'Alessandro, PD Bernardis, MD Petris, SD Torre, ED Giorgi, HK Eriksen, F Finelli, C Franceschet, U Fuskeland, G Galloni, M Galloway, M Georges, M Gerbino, M Gervasi, RT Génova-Santos, T Ghigna, S Giardiello, C Gimeno-Amo, E Gjerløw, M Hazumi, S Henrot-Versillé, LT Hergt, E Hivon, K Kohri, E Komatsu, L Lamagna, M Lattanzi, C Leloup, M Lembo, M López-Caniego, G Luzzi, J Macias-Perez, B Maffei, S Masi, M Massa, S Matarrese, T Matsumura, S Micheli, A Moggi, M Monelli, L Montier, G Morgante, B Mot, L Mousset, R Nagata, P Natoli, A Novelli, I Obata, A Occhiuzzi, L Pagano, A Paiella, D Paoletti, G Pascual-Cisneros, V Pavlidou, F Piacentini, M Pinchera, G Pisano, G Polenta, G Puglisi, M Remazeilles, A Ritacco, A Rizzieri, Y Sakurai, D Scott, M Shiraishi, G Signorelli, SL Stever, Y Takase, H Tanimura, A Tartari, K Tassis, L Terenzi, M Tristram, L Vacher, BV Tent, IK Wehus, G Weymann-Despres, M Zannoni, Y Zhou
(2023)
CMB lensing with shear-only reconstruction on the full sky
FJ Qu, A Challinor, BD Sherwin
– Physical Review D
(2023)
108,
063518
Planck 2013 results X. Energetic particle effects: characterization, removal, and simulation
Planck Collaboration, PAR Ade, N Aghanim, C Armitage-Caplan, M Arnaud, M Ashdown, F Atrio-Barandela, J Aumont, C Baccigalupi, AJ Banday, RB Barreiro, E Battaner, K Benabed, A Benoît, A Benoit-Lévy, J-P Bernard, M Bersanelli, P Bielewicz, J Bobin, JJ Bock, JR Bond, J Borrill, FR Bouchet, M Bridges, M Bucher, C Burigana, J-F Cardoso, A Catalano, A Challinor, A Chamballu, L-Y Chiang, HC Chiang, PR Christensen, S Church, DL Clements, S Colombi, LPL Colombo, F Couchot, A Coulais, BP Crill, A Curto, F Cuttaia, L Danese, RD Davies, P de Bernardis, A de Rosa, G de Zotti, J Delabrouille, J-M Delouis, F-X Désert, JM Diego, H Dole, S Donzelli, O Doré, M Douspis, X Dupac, G Efstathiou, TA Enßlin, HK Eriksen, F Finelli, O Forni, M Frailis, E Franceschi, S Galeotta, K Ganga, M Giard, D Girard, Y Giraud-Héraud, J González-Nuevo, KM Górski, S Gratton, A Gregorio, A Gruppuso, FK Hansen, D Hanson, D Harrison, S Henrot-Versillé, C Hernández-Monteagudo, D Herranz, SR Hildebrandt, E Hivon, M Hobson, WA Holmes, A Hornstrup, W Hovest, KM Huffenberger, TR Jaffe, AH Jaffe, WC Jones, M Juvela, E Keihänen, R Keskitalo, TS Kisner, R Kneissl, J Knoche, L Knox, M Kunz, H Kurki-Suonio, G Lagache, J-M Lamarre, A Lasenby, RJ Laureijs, CR Lawrence, R Leonardi, C Leroy, J Lesgourgues, M Liguori, PB Lilje, M Linden-Vørnle, M López-Caniego, PM Lubin, JF Macías-Pérez, N Mandolesi, M Maris, DJ Marshall, PG Martin, E Martínez-González, S Masi, S Matarrese, F Matthai, P Mazzotta, P McGehee, A Melchiorri, L Mendes, A Mennella, M Migliaccio, A Miniussi, S Mitra, M-A Miville-Deschênes, A Moneti, L Montier, G Morgante, D Mortlock, S Mottet, D Munshi, JA Murphy, P Naselsky, F Nati, P Natoli, CB Netterfield, HU Nørgaard-Nielsen, F Noviello, D Novikov, I Novikov, S Osborne, CA Oxborrow, F Paci, L Pagano, F Pajot, D Paoletti, F Pasian, G Patanchon, O Perdereau, L Perotto, F Perrotta, F Piacentini, M Piat, E Pierpaoli, D Pietrobon, S Plaszczynski, E Pointecouteau, G Polenta, N Ponthieu, L Popa, T Poutanen, GW Pratt, G Prézeau, S Prunet, J-L Puget, JP Rachen, B Racine, M Reinecke, M Remazeilles, C Renault, S Ricciardi, T Riller, I Ristorcelli, G Rocha, C Rosset, G Roudier, B Rusholme, L Sanselme, D Santos, A Sauvé, G Savini, EPS Shellard, LD Spencer, J-L Starck, V Stolyarov, R Stompor, R Sudiwala, F Sureau, D Sutton, A-S Suur-Uski, J-F Sygnet, JA Tauber, D Tavagnacco, L Terenzi, L Toffolatti, M Tomasi, M Tristram, M Tucci, G Umana, L Valenziano, J Valiviita, B Van Tent, P Vielva, F Villa, N Vittorio, LA Wade, BD Wandelt, D Yvon, A Zacchei, A Zonca
(2023)
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Research Group

Relativity and Gravitation

Room

B2.08

Telephone

01223 764341