![Finn Stokes](/sites/default/files/styles/profile_large/public/profile-images/4320.jpeg?itok=6lP9X-7_)
Finn Stokes
School of Physics, Chemistry and Earth Sciences
Faculty of Sciences, Engineering and Technology
Finn Stokes is a Ramsay fellow in the department of physics at the University of Adelaide. As a member of the prestigious Budapest-Marseille-Wuppertal collaboration (BMWc), they work closely with collaborators in Germany, France and Hungary to perform world-leading simulations of Quantum Chromodynamics (QCD), the fundamental theory of the strong nuclear force.
Finn is a former student of the UofA, and since completing their PhD in 2018 they have been working in Germany at the Jülich Supercomputing Centre. There they were a core member of the BMWc team that produced a computation that overturned our understanding of the magnetic moment of the muon in 2021. They have recently returned to Adelaide on a Ramsay Fellowship and are excited to engage undergraduate and graduate students in this cutting-edge research program.
Finn is passionate about promoting equity and diversity in the sciences and is a sitting member of the international Lattice Diversity and Inclusion Committee.
My current research focus is the muon magnetic moment, a quantity that has puzzled physicists for decades. A longstanding discrepancy between theoretical predictions and experimental measurements of this quantity hints at new physics beyond the standard model. In 2021 we used lattice QCD calculations on supercomputers to rule out most of the prevailing explanations, leaving only a few possibilities. My current research program aims to dramatically increase the precision of that calculation, and provide detailed insight into the origin of the disagreement. Ultimately the I hope to answer once and for all if the discrepancy indicates new physics, and what it must look like. This will guide ongoing national and international searches for new theories that will underpin the next generation of physics research.
More broadly, I am driven to understand the nature of the strong nuclear force and the phenomena that arise from it. I have a particular interest in hadronic states and their interactions, and how these give rise to the resonances observed in experiment. In 2015 I developed the groundbreaking Parity Expanded Variational Analysis (PEVA) technique, allowing the clean isolation of baryon excited states in lattice QCD. This technique will be instrumental for future studies of baryon excited state structure, and has formed the foundation for an ongoing research program investigating these states at the University of Adelaide that I remain heavily involved with.
I also have a keen interest in visualisations of lattice QCD, and the qualitative insight they can provide into the structure of the QCD vacuum.
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Appointments
Date Position Institution name 2024 - ongoing Ramsay Fellow The University of Adelaide 2018 - 2023 Postdoctoral Researcher Forschungszentrum Jülich 2018 - 2018 Postdoctoral Research Associate The University of Adelaide -
Education
Date Institution name Country Title 2013 - 2018 The University of Adelaide Australia Doctor of Philosophy 2009 - 2012 The University of Adelaide Australia B.Sc.(High Perf. Comp. Phys.) (Hons) -
Research Interests
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Journals
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Books
Year Citation 2019 Stokes, F. M. (2019). Structure of Nucleon Excited States from Lattice QCD. Swittzerland: Springer International Publishing.
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Conference Papers
Year Citation 2022 Toth, B. C., Borsanyi, S., Fodor, Z., Guenther, J., Hoelbling, C., Katz, S. D., . . . Varnhorst, L. (2022). Muon g-2: BMW calculation of the hadronic vacuum polarization contribution. In Proceedings of The 38th International Symposium on Lattice Field Theory — PoS(LATTICE2021) Vol. 396 (pp. 1-18). Zoom/Gather@Massachusetts Institute of Technology: Sissa Medialab.
Scopus32022 Parato, L., Borsanyi, S., Fodor, Z., Guenther, J., Hoelbling, C., Katz, S. D., . . . Varnhorst, L. (2022). QED and strong isospin corrections in the hadronic vacuum polarization contribution to the anomalous magnetic moment of the muon. In Proceedings of The 38th International Symposium on Lattice Field Theory (LATTICE2021) Vol. 396 (pp. 1-12). ZOOM/GATHER@MIT: Sissa Medialab.
Scopus32022 Varnhorst, L., Borsanyi, S., Fodor, Z., Guenther, J. N., Hoelbling, C., Katz, S. D., . . . Torok, C. (2022). High precision scale setting on the lattice. In Proceedings of The 38th International Symposium on Lattice Field Theory — PoS(LATTICE2021) Vol. 396. Zoom/Gather@Massachusetts Institute of Technology: Sissa Medialab.
2020 Stokes, F., Kamleh, W., & Leinweber, D. (2020). Structure and transitions of nucleon excitations via parity-expanded variational analysis. In Proceedings of 37th International Symposium on Lattice Field Theory — PoS(LATTICE2019) Vol. 363 (pp. 1-7). Italy: Sissa Medialab.
Scopus22018 Kamleh, W., Leinweber, D., Liu, Z. W., Stokes, F., Thomas, A., Thomas, S., & Wu, J. (2018). Structure of the Nucleon and its Excitation. In M. Della Morte, P. Fritzsch, E. Gámiz Sánchez, & C. Pena Ruano (Eds.), European Physical Journal (EPJ) Web of Conferences Vol. 175 (pp. 1-8). online: EDP Sciences.
Scopus22018 Biddle, J., Charvetto, J., Kamleh, W., Leinweber, D., Piercy, H., Puckridge, E., . . . Zanotti, J. (2018). Publicising lattice field theory through visualisation. In Proceedings of the 36th Annual International Symposium on Lattice Field Theory (LATTICE2018), as published in Proceedings of Science Vol. 334 (pp. 325-1-325-7). Michigan State University, East Lansing, United States: SISSA.
2017 Stokes, F., Kamleh, W., Leinweber, D., & Owen, B. (2017). Electromagnetic Form Factors through Parity-Expanded Variational Analysis. In Proceedings of 34th annual International Symposium on Lattice Field Theory — PoS(LATTICE2016) (pp. 1-7). Italy: Sissa Medialab.
2017 Kiratidis, A., Kamleh, W., Leinweber, D., Liu, Z., Stokes, F., & Thomas, A. (2017). Spectroscopy with local multi-hadron interpolators in lattice QCD. In Proceedings of Science Vol. 2016-September (pp. 1-8). Online: PoS.
2016 Liu, Z., Hall, J., Kamleh, W., Leinweber, D., Stokes, F., Thomas, A., & Wu, J. (2016). Study of low-lying baryons with hamiltonian effective field theory. In Proceedings of Science Vol. 2016-September (pp. 1-8). Online: PoS.
Scopus22016 Stokes, F., Kamleh, W., Leinweber, D., & Owen, B. (2016). Electromagnetic form factors of nucleon excitations in lattice QCD. In Proceedings of Science Vol. 2016-September (pp. 1-7). Online: PoS.
2016 Stokes, F., Kamleh, W., Leinweber, D., & Owen, B. (2016). Electromagnetic form factors of excited nucleons via parity-expanded variational analysis. In Proceedings of Science.34th Annual International Symposium on Lattice Field Theory, LATTICE 2016 Vol. Part F128557 (pp. 1-7). Online: SISSA.
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Conference Items
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Preprint
Year Citation 2024 Stokes, F. M., Owen, B. J., Kamleh, W., & Leinweber, D. B. (2024). Odd-Parity Nucleon Electromagnetic Transitions in Lattice QCD. 2023 Davier, M., Fodor, Z., Gerardin, A., Lellouch, L., Malaescu, B., Stokes, F. M., . . . Zhang, Z. (2023). Hadronic vacuum polarization: comparing lattice QCD and data-driven
results in systematically improvable ways.2022 Colangelo, G., Davier, M., El-Khadra, A. X., Hoferichter, M., Lehner, C., Lellouch, L., . . . Zhang, Z. (2022). Prospects for precise predictions of $a_μ$ in the Standard Model. 2020 Stokes, F. M., Kamleh, W., & Leinweber, D. B. (2020). Structure and transitions of nucleon excitations via parity-expanded
variational analysis.2019 Stokes, F. M., Kamleh, W., & Leinweber, D. B. (2019). Elastic Form Factors of Nucleon Excitations in Lattice QCD. 2018 Stokes, F. M., Kamleh, W., & Leinweber, D. B. (2018). Opposite-Parity Contaminations in Lattice Nucleon Form Factors. 2017 Stokes, F. M., Kamleh, W., Leinweber, D. B., & Owen, B. J. (2017). Electromagnetic Form Factors of Nucleon Excitations in Lattice QCD.
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