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20112026

Research activity per year

Personal profile

Professional profile

Cosmologist interested in the evolution of the early universe and in the phenomenology of strong gravity. His work focuses on refining perturbative methods for studying nonlinear dynamical systems. His research spans fundamental physics and related fields, such as control theory and analytical and numerical modeling. Postdoctoral experience at the University of Mississippi and the Canadian Institute for Theoretical Astrophysics at the University of Toronto.

Education/Academic qualification

Master of Science with mention in Quantum Fields and Fundamental Forces, Imperial College London

PhD in Physics, Simon Fraser University

Bachelor of Science with mention in Physics, Universidad Nacional De Ingeniería

Researching Topics

  • Cosmology of the early universe
  • cosmic inflation and alternative theories
  • phenomenology of strong gravity and gravitational waves
  • nonlinear dynamics
  • connections between gravity and thermodynamics

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Collaborations and top research areas from the last five years

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  • Numerical tiling-based simulations of decoherence in multifield models of inflation

    Peñalba Quispitupa, J., Quispe Peña, G. & Gálvez Ghersi, J. T., 3 Mar 2026, In: Physical Review D. 113, 6

    Research output: Contribution to journalArticlepeer-review

  • The Simons Observatory: forecasted constraints on primordial gravitational waves with the expanded array of Small Aperture Telescopes

    Abril-Cabezas, I., Challinor, A., Clarke, P., Coulton, W., Embil Villagra, C., Fergusson, J., Legrand, L., McCarthy, F., Namikawa, T., Sailer, N., Shellard, P., Sherwin, B., Suman, P., Zubeldia, I., Abril-Cabezas, I., Bolliet, B., Challinor, A., Clarke, P., Coulton, W. & Fergusson, J. & 597 others, Hertig, E., Kusiak, A., Legrand, L., McCarthy, F., Namikawa, T., Shellard, P., Sherwin, B., Zubeldia, I., Adachi, S., Adachi, S., Ashton, P., Chinone, Y., Jost, B., Katayama, N., Kusaka, A., Liu, J., Matsumura, T., Namikawa, T., Sakurai, Y., Tajima, O., Takakura, S., Ade, P., Barry, P., Braithwaite, C., Brien, T. L. R., Calabrese, E., Desai, S., Doyle, S., Giardiello, S., Hargrave, P., Harrison, I., Jense, H. T., Lyons, M., Negrello, M., Papageorgiou, A., Rowe, S., Sudiwala, R., Tucker, C., Veenendaal, I., Viña, M., Adler, A. E., Ali, A., Ashton, P., Baleato Lizancos, A., Beckman, S., Corbett, L., Crowley, K. T., Cukierman, A., Ferraro, S., Goeckner-Wald, N., Hadzhiyska, B., Hill, C. A., Jeong, O., Krolewski, A., Lee, A., Linder, E., Prasad, B., Randall, M. J., Raum, C., Seljak, U., Song, X., Stein, G., Westbrook, B., Yu, B., Adler, A. E., Keskitalo, R., Kisner, T., Adler, A. E., Agrawal, P., Arnold, K., Bixler, B., Boettger, D., Chu, M., Crowley, K. T., Flauger, R., Fuller, G., Green, D., Idicherian Lonappan, A., Johnson, A., Keating, B., Keskitalo, R., Seibert, J., Spisak, J., Teply, G., Aguirre, J., Atkins, Z., Baker, D., Bhandarkar, T., Borrill, J., Borrow, J., Devlin, M., Dicker, S., Doux, C., Gallardo, P. A., Grubb, S., Haridas, S., Iuliano, J., Jain, B., Joshi, N., Kim, J., Kofman, A. M., Laguë, A., Lee, E., Limon, M., Madhavacheril, M., Manduca, A., Myers, J., Orlowski-Scherer, J., Pandey, S., Perez Sarmiento, K., Robe, J., Schmitt, B., Thornton, R., Zhu, N., Aiola, S., Hasselfield, M., Ho, S., McCarthy, F., Alford, T., Bhimani, S., Cleary, J., Datta, R., Harrington, K., Hood, J., Kofman, A. M., Mallaby-Kay, M., McMahon, J., Meulbroek, E., Pitocco, J., Saunders, L. J., Thomas, A., Alford, T., Kabra, V., Lessler, C., Mangu, A., McMahon, J., Sutariya, S., Alonso, D., Jones, M. E., La Posta, A., Leech, J., Rizzieri, A., Taylor, A. C., Wolz, K., Zhang, W., Alvarez, M. A., Baleato Lizancos, A., Groh, J. C., Li, Z., An, R., Gerras, R., Gluscevic, V., He, A., Krishak, A., Lashner, J., Lonergan, J., Miller, A., Morton, T., Pierpaoli, E., Aravena, M., Arnold, K., Ashton, P., Borrill, J., El Bouhargani, H., Farren, G. S., Ferraro, S., Hill, C. A., Kusaka, A., Lee, A., Linder, E., Seljak, U., Stein, G., Suzuki, A., Tsan, T., Williams, P., Astori, F., Bizzarri, L., Coppi, G., Dachlythra, N., Fanfani, V., Nati, F., Novelli, A., Scalcinati, L., Souverin, T., Zannoni, M., Atkins, Z., Azzoni, S., Bazarko, A., Begin, J., Bruno, S. M., Carl, F. M., Crowley, K. D., Day-Weiss, S., Dunkley, J., Dutcher, D., El Bouhargani, H., Foster, A., Liu, Y., McCarrick, H., O'Neill, S., Page, L. A., Paraskevakos, I., Sakuma, T., Seino, Y., Sonka, R. F., Staggs, S. T., Storer, E., Sueno, Y., Wagoner, K., Wang, Y., Yamada, K., Zheng, K., Austermann, J., Beall, J. A., Connors, J., Duff, S. M., Hubmayr, J., Link, M., Lucas, T., Mates, J., Ullom, J., Vale, L., Van Lanen, J., Vissers, M., Walker, S., Baccigalupi, C., Carones, A., Krachmalnicoff, N., Perrotta, F., Poletti, D., Ranucci, C., Roy, A., Vacher, L., Baccigalupi, C., Ranucci, C., Baccigalupi, C., Ranucci, C., Balafendiev, R., Gudmundsson, J. E., Khatua, A. A., Ren, X., Barron, D., Bartlett, J., Basyrov, A., Beringue, B., Biquard, S., Chanial, P., Errard, J., Ganga, K., Kabalan, W., Masson, P., Melin, J., Sohn, W., Stompor, R., Tsang King Sang, E., Vergès, C., Villarrubia Aguilar, A., Battaglia, N., Bean, R., Calafut, V., Niemack, M. D., Patki, R., Riechers, D., Battistelli, E. S., Pisano, G., Battye, R., Biquard, S., Brown, M. L., Cheung, K., Chluba, J., Gilles, V., Harrison, I., Haynes, V., Holder, J., Hornsby, A. L., Jain, D., Kania, J., Lee, E., May, A., McCallum, N., McCulloch, M., Mohammadian, B., Nicola, A., Orlando, A., Piccirillo, L., Rosenberg, E., Rotti, A., Thomas, D. B., Williams, J., Wong, J., Bayer, A., Dunkley, J., Beck, D., Clark, S. E., Cukierman, A., Ho, S. P., Irwin, K., Karpel, E. D., Salatino, M., Satterthwaite, T. P., Young, E., Beheshti, A., Biermann, E., Cai, H., Kosowsky, A., Bianchini, F., Clancy, J., Gupta, N., Reichardt, C. L., Billi, M., Puglisi, G., Boada, S., Gawiser, E., Hughes, J. P., Bolliet, B., Bond, J. R., Li, Z., Borrill, J., Keskitalo, R., Kisner, T., Ludlam, M., Bryan, S., Gordon, S., Groppi, C., Hoh, J., Mani, H., Mathewson, J., Mauskopf, P., Mehta, Y., Shaikh, S., Sinclair, A., van Engelen, A., Bustos, R., Carron, J., Darwish, O., Carron, J., Chamberlain, E., Kou, R., Lewis, A., Mirmelstein, M., Robertson, M. F., Challinor, A., Gratton, S., Hertig, E., Kusiak, A., MacCrann, N., Robertson, N., Chen, N., Trac, H., Chiang, B., Huffenberger, K., Hughes, A., Paulino Korte, S., Rahman, F., Vargas, C., Chiang, B., Huffenberger, K., Hughes, A., Rahman, F., Vargas, C., Chiang, B., Huffenberger, K., Maldonado, F., Chinone, Y., Hasegawa, M., Cho, H. S., Clark, S. E., Cukierman, A., Frisch, J. C., Henderson, S. W., Irwin, K., Maniyar, A. S., Pinsonneault-Marotte, T., Qu, F. J., Ried Guachalla, B., Sailer, N., Satterthwaite, T. P., Schaan, E., Sierra, C., Young, E., Cho, H. S., D'Ewart, J. M., Henderson, S. W., Irwin, K., Maniyar, A. S., Pinsonneault-Marotte, T., Qu, F. J., Ried Guachalla, B., Romero, A., Schaan, E., Sierra, C., Van Winkle, D. D., Choi, S. K., Clements, D. L., Contaldi, C., Gleave, E., Jaffe, A. H., Leung, J. S., Mak, D., Peel, M., Contaldi, C., Leung, J. S., Cothard, N. F., Crichton, D., Hilton, M., Knowles, K., Moodley, K., Phakathi, P., Sievers, J., Sikhosana, P., de Haan, T., Hasegawa, M., Hazumi, M., Kaneko, D., Tajima, O., Takaku, R., Di Mascolo, L., Ding, K., Meerburg, P. D., Dow, P., Edenton, M., Johnson, B. R., Shroyer, J. E., Walters, L., Wilson, J., Duell, C. J., Ho, A. Y. Q., Huber, Z. B., Keller, B., Li, Y., Lin, L., Middleton, A., Moser, E., Niemack, M. D., Patel, D., Popik, C., Stevens, J. R., Wang, Y., Duivenvoorden, A. J., Duparc, M., Garrido, X., Louis, T., Dünner, R., Hervías-Caimapo, C., Puddu, R., Rojas, F., Fabbian, G., Pagano, L., Farhadi Khouzani, F., La Plante, P., Farren, G. S., Li, Z., Forconi, M., Galloni, G., Gerbino, M., Lattanzi, M., Morshed, M., Natoli, P., Pagano, L., Zagatti, G., Forconi, M., Galloni, G., Gerbino, M., Lattanzi, M., Morshed, M., Natoli, P., Pagano, L., Zagatti, G., Freese, K., Galitzki, N., Lloyd, J., Montefalcone, G., Shaw, E., Freese, K., Galitzki, N., Shaw, E., Freese, K., Gudmundsson, J. E., Hagstotz, S., Tansieri, I., Frolov, A., Gallardo, P. A., Healy, E., Kofman, A. M., Lessler, C., McMahon, J., Thomas, A., Yu, C., Galvez Ghersi, J. T., Gill, A., Giri, U., Hotinli, S. C., Johnson, M., Smith, K., Goldstein, S., Hill, J. C., Pandey, S., Surrao, K. M., Golec, J. E., Gralla, M., Kramer, D., Guan, Y., Hložek, R., Ikape, M., Nerval, S. K., Guan, Y., Hincks, A. D., Hložek, R., Hornecker, E., Ikape, M., Nerval, S. K., Rogers, K., Winch, H., Harrington, K., Yu, C., Hazumi, M., Hensley, B. S., Higuchi, M., Inaba, K., Kiuchi, K., Koizumi, Y., Kusaka, A., Matsumura, T., Miki, Y., Murata, M., Nashimoto, M., Nishino, H., Nishinomiya, Y., Sakaguri, K., Sasaki, D., Sugiyama, J., Takeuchi, A., Terasaki, T., Yamada, K., Hilton, M., Hincks, A. D., Hinshaw, G., Hoang, T. D., Huang, Z., Jost, B., Liu, J., Matsumura, T., Namikawa, T., Kasai, Y., Mizozoe, Y., Nakata, H., Okumoto, N., Seino, Y., Suzuki, J., Tajima, O., Takakura, S., Koopman, B. J., Lashner, J., McCrackan, M., Morris, T., Newburgh, L., Nguyen, D. V., Silva-Feaver, M., Kvasiuk, Y., Lai, A., Münchmeyer, M., Timbie, P., Legrand, L., Lungu, M., Sanders, G. H., MacInnis, A., Sehgal, N., Marques, G. A., McMahon, J., Saunders, L. J., Simon, S. M., McMahon, J., Melin, J., Meyers, J., Moore, J., Vavagiakis, E. M., Mroczkowski, T., Naess, S., Partridge, B., Puglisi, G., Puglisi, G., Reeves, R., Remazeilles, M., Rephaeli, Y., Sadeh, S., Shimon, M., Sakurai, Y., Sanders, G. H., Sathyanarayana Rao, M., Schmittfull, M., Shroyer, J. E., Sifón, C., van Marrewijk, J., Wagoner, K., Wollack, E. J., Xu, Z. & Zonca, A., Apr 2026, In: Journal of Cosmology and Astroparticle Physics. 2026, 4

    Research output: Contribution to journalArticlepeer-review

    Open Access
  • Dimensional deformation of sine-Gordon breathers into oscillons

    Gálvez Ghersi, J. T. & Braden, J., 1 Nov 2023, In: Physical Review D. 108, 9, 096017.

    Research output: Contribution to journalArticlepeer-review

    Open Access
    4 Scopus citations
  • A fixed point for black hole distributions

    Gálvez Ghersi, J. T. & Stein, L. C., 19 Feb 2021, In: Classical and Quantum Gravity. 38, 4, 045012.

    Research output: Contribution to journalArticlepeer-review

    Open Access
    8 Scopus citations
  • Integrability of eccentric, spinning black hole binaries up to second post-Newtonian order

    Tanay, S., Stein, L. C. & Gálvez Ghersi, J. T., 25 Mar 2021, In: Physical Review D. 103, 6, 064066.

    Research output: Contribution to journalArticlepeer-review

    Open Access
    20 Scopus citations