Report summary

The 2021-2023 picture for Princeton University Department of Physics is a 34-PI network with 8 internal PI collaborations. The main research signal is Physics and Astronomy as the leading field (66% of slots across 31 PIs; 31 labels), Atomic and Molecular Physics, and Optics as the leading subfield (22% of slots across 16 PIs; 16 labels), and Black Holes and Theoretical Physics as the leading topic (10% of slots across 10 PIs; 10 labels). That is a thin collaboration pattern, useful for spotting individual pairs but less persuasive as a broad departmental network. The leading PI names are Simone Giombi (13.3 weighted works; Black Holes and Theoretical Physics, Particle physics theoretical and experimental studies). The clearest collaboration lines are Biao Lian and M. Zahid Hasan (3 shared works, weight 1.6). The leading breakdown groups are group 1 with 6 PIs, 5 internal connections, weight 4.3, around Atomic and Molecular Physics, and Optics, Condensed Matter Physics, Statistics and Probability, led by M. Zahid Hasan, Giorgio Cipolloni, Kohei Kawabata.