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Faculty of Mathematics

 

Education

2023 - Present PhD in the High Energy Physics group

2022 - 2023 MASt in Applied Mathematics (Part III Maths)

2019 - 2022 BSc Physics with Theoretical Physics at Imperial College London

 

Research Interest

My supervisor is Professor Sean Hartnoll. I am mostly interested in Gauge-Gravity Duality in general. At the moment I am particularly interested in the IKKT (Ishibashi-Kawai-Kitazawa-Tsuchiya) matrix model, conjectured to non-perturbatively describe type IIB superstring theory. There exists a supersymmetric mass deformation of IKKT - the polarized IKKT model. This mass deformed model has proven to have a rich structure that could help building a holographic dictionary for the IKKT model. Relatedly, I am also interested in the BFSS (Banks-Fishler-Shenker-Susskind) and its mass deformation BMN (Berenstein-Maldacena-Nastase) matrix quantum mechanics, conjectured to describe M-theory in eleven dimensions.

Teaching

Part IA Vectors and Matrices Supervisions (Michaelmas 2023)

Part IA Vector Calculus Supervisions (Lent 2024)

 

Publications

Charged and rotating near-horizon geometries in five dimensions
A Colling, J Liu
(2026)
Statistical physics of the polarised IKKT matrix model
SA Hartnoll, J Liu
– Scipost Physics
(2025)
19,
099
Statistical Physics of the Polarised IKKT Matrix Model
SA Hartnoll, J Liu
(2025)
The polarised IKKT matrix model
SA Hartnoll, J Liu
– Journal of High Energy Physics
(2025)
2025,
60
The Polarised IKKT Matrix Model
SA Hartnoll, J Liu
(2024)

Research Group

High Energy Physics

Room

B0.33