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Theoretical High Energy Particle Physics Group

Career

2023 - Present: PhD in Applied Mathematics and Theoretical Physics at DAMTP HEP group and Peterhouse, University of Cambridge

2019 - 2023: BA, MSci in Experimental and Theoretical Physics (Natural Sciences Tripos) at Peterhouse, University of Cambridge

Research Interests

I am supervised by Professor Ben Gripaios. I am generally interested in mathematical physics and applications of pure mathematics to problems in quantum field theory. In particular, I have been researching on how concepts and constructs in arithmetic and algebraic geometry allow us to solve the various Diophantine equations that arise in cancelling gauge anomalies. I am also interested in other areas of formal quantum field theory such as generalized symmetries.

In a previous life, I worked in accelerator physics, specifically on developing an analytical model of "beamstrahlung" which is predicted to be detrimental to electron-positron collisions in the (planned) Future Circular Collider.

Teaching

Natural Sciences Tripos, Physics: Part III Project co-supervisor with Ben Gripaios (2 projects in the 2025 - 2026 academic year)

Natural Sciences Tripos, Physics: Part II Theoretical Physics 1 Examples Classes (Michaelmas 2023, Michaelmas 2024)

Natural Sciences Tripos, Physics: Part II Relativity Supervisions (Michaelmas 2023, Michaelmas 2024, Michaelmas 2025)

Mathematics Tripos: Part IA Dynamics and Relativity Supervisions (Lent and Easter 2024, Lent and Easter 2025, Lent and Easter 2026)

Miscellanea

I sing with the Cambridge University Schola Cantorum (which was previously St John's Voices) and Emmanuel College Chapel Choir. I am the student president of the former for the 2026 - 2027 academic year. My favourite composer and composition are J. S. Bach and his St John Passion (BWV 245) respectively. I enjoy "Astérix", "Tintin" and just about everything related to the three Low Countries.

Publications

Anomaly cancellation for two $U(1)$ factors
B Gripaios, KLN Nguyen
(2026)
The asymptotically-free gauge theories
B Gripaios, KLN Nguyen
– Journal of High Energy Physics
(2026)
2026,
99
The asymptotically-free gauge theories
B Gripaios, KLN Nguyen
– Journal of High Energy Physics (JHEP)
(2026)
2026,
99
Anomaly cancellation for a U(1) factor
B Gripaios, K Le Nguyen Nguyen
– Journal of High Energy Physics
(2026)
2026,
55
More varieties of 4-d gauge theories: product representations
B Gripaios, K Le Nguyen Nguyen
– Journal of High Energy Physics
(2025)
2025,
133
Anomaly cancellation for a $U(1)$ factor
B Gripaios, KLN Nguyen
(2025)
The asymptotically-free gauge theories
B Gripaios, KLN Nguyen
(2025)
More varieties of 4-d gauge theories: product representations
B Gripaios, KLN Nguyen
(2025)
Varieties of four-dimensional gauge theories
B Gripaios, KLN Nguyen
– Journal of High Energy Physics (JHEP)
(2024)
2024,
41
Impact of beam asymmetries at the Future Circular Collider e plus e -
P Kicsiny, X Buffat, K Le Nguyen Nguyen, T Pieloni, M Seidel
– Physical Review Accelerators and Beams
(2024)
27,
121001
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Research Group

High Energy Physics

Room

B0.33