Research output per year
Research output per year
Personal profile
Research interests
I use large simulations of the first moments after the Big Bang to try to explain how the universe got the way it is today. Employing thousands of computer cores and as much as a million CPU-hours, I am working to model the way in which the events of the early universe leave behind an echo, as a background of gravitational waves. This background can potentially be picked up by future gravitational wave experiments, such as the European Space Agency LISA mission. I am also interested in wellbeing issues, and making academia a kinder place for everyone.
Curriculum vitae
Office Physicum A328
External positions
Ernest Rutherford Fellow, Univ Nottingham, University of Nottingham
31 Mar 2019 → 31 Aug 2019
Fields of Science
- 114 Physical sciences
- Kosmologia
- kvanttikenttäteoria
- laskennallinen fysiikka
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Infrared physics of the 3D SU(2) adjoint Higgs model at the crossover transition
Niemi, L., Rummukainen, K., Seppä, R. E. & Weir, D., 21 Feb 2023, In: Journal of High Energy Physics. 2023, 2, 17 p., 212.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile -
Decay of acoustic turbulence in two dimensions and implications for cosmological gravitational waves
Dahl, J. I., Hindmarsh, M., Rummukainen, K. & Weir, D., 12 Sep 2022, In: Physical Review D. 106, 6, 22 p., 063511.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile -
Detection of early-universe gravitational-wave signatures and fundamental physics
Caldwell, R., Cui, Y., Guo, H-K., Mandic, V., Mariotti, A., No, J. M., Ramsey-Musolf, M. J., Sakellariadou, M., Sinha, K., Wang, L-T., White, G., Zhao, Y., An, H., Bian, L., Caprini, C., Clesse, S., Cline, J. M., Cusin, G., Fornal, B., Jinno, R., & 18 others, 30 Nov 2022, In: General Relativity and Gravitation. 54, 61 p., 156.Research output: Contribution to journal › Review Article › peer-review
Open AccessFile -
Droplet collapse during strongly supercooled transitions
Cutting, D., Vilhonen, E. & Weir, D., 23 Nov 2022, In: Physical Review D. 106, 10, 17 p., 103524.Research output: Contribution to journal › Article › Scientific › peer-review
Open Access -
Generation of gravitational waves from freely decaying turbulence
Auclair, P., Caprini, C., Cutting, D., Hindmarsh, M., Rummukainen, K., Steer, D. A. & Weir, D. J., Sep 2022, In: Journal of Cosmology and Astroparticle Physics. 9, 62 p., 029.Research output: Contribution to journal › Article › Scientific › peer-review
Open Access
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LISA ja sähköheikko faasitransitio
Suomen Akatemia Projektilaskutus
01/09/2022 → 31/08/2024
Project: Academy of Finland: Academy Research Fellow's research expenses
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TooU: Täsmäennusteet olomuodonmuutoksille orastavassa Universumissa
Weir, D. J., Edwards, E., Häkkinen, J. K. E., Seppä, R. E. & Sukuvaara, S.
Suomen Akatemia Projektilaskutus
01/09/2022 → 31/08/2026
Project: Academy of Finland: Academy Project
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Gravitational wave cosmology for LISA
Weir, D. J., Gould, O., Granados Escartin, E. S., Kormu, A., Tähtinen, S., Sukuvaara, S., Vilhonen, E. & Cutting, D. C. F.
Valtion perusrahoitus/hankkeet, Suomen Akatemia Projektilaskutus
01/01/2018 → 31/12/2020
Project: University of Helsinki Three-Year Research Project
Activities
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2nd Nordic Lattice meeting
Kari Rummukainen (Chair), David Weir (Member of organizing committee) & Kimmo Tuominen (Member of organizing committee)
22 Aug 2022 → 24 Aug 2022Activity: Participating in or organising an event types › Organisation and participation in conferences, workshops, courses, seminars
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What’s the Matter? A Cross-Frontier Pursuit of the Origin of Matter
David Weir (Attendee)
29 Aug 2022 → 2 Sep 2022Activity: Participating in or organising an event types › Organisation and participation in conferences, workshops, courses, seminars
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Amelia Drew
David Weir (Host)
21 Nov 2022 → 25 Nov 2022Activity: Hosting a visitor types › Academic visit at UH
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Gravitational waves retreat
David Weir (Attendee), Mark Hindmarsh (Attendee) & Daniel Christopher Frank Cutting (Attendee)
25 Oct 2021 → 29 Oct 2021Activity: Participating in or organising an event types › Organisation and participation in conferences, workshops, courses, seminars
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D. A. Steer
David Weir (Host)
25 Feb 2020 → 28 Feb 2020Activity: Hosting a visitor types › Academic visit at UH
Press/Media
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Finnish Researchers Among the Awardees for the 20th Call for Proposals for PRACE Project Access
20/04/2020
1 item of Media coverage
Press/Media: Press / Media
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Tech tools to make research more open and inclusive
David Weir & Saga Säppi
03/02/2020
1 item of Media coverage
Press/Media: Press / Media
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New finding of particle physics may help to explain the absence of antimatter
19/11/2018 → 17/01/2019
3 items of Media coverage
Press/Media: Press / Media
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New finding of particle physics may help to explain the absence of antimatter
13/11/2018 → 17/11/2018
7 items of Media coverage
Press/Media: Press / Media
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New Finding of Particle Physics May Help to Explain the Absence of Antimatter
13/11/2018
1 item of Media coverage
Press/Media: Press / Media