Report summary

Harvard University Department of Physics in 2022-2026 reads as a 78-PI network with 83 internal PI collaborations. The research center of gravity is Physics and Astronomy as the leading field (46% of slots across 58 PIs; 58 labels), Atomic and Molecular Physics, and Optics as the leading subfield (18% of slots across 31 PIs; 31 labels), and Black Holes and Theoretical Physics as the leading topic (5% of slots across 11 PIs; 11 labels). That is promising: collaboration is not just one large hairball, and the leading breakdown groups cover 23 PIs across distinct clusters. The most prominent PIs by weighted works are David A. Weitz (29.3 weighted works; Innovative Microfluidic and Catalytic Techniques Innovation, 3D Printing in Biomedical Research); L. Mahadevan (27.4 weighted works; Advanced Materials and Mechanics, Cellular Mechanics and Interactions). The strongest pairings are Mikhail D. Lukin and Hongkun Park (22 shared works, weight 11.2). The strongest breakdown groups are group 1 with 10 PIs, 10 internal connections, weight 30.4, around Atomic and Molecular Physics, and Optics, Artificial Intelligence, Condensed Matter Physics, led by Mikhail D. Lukin, Philip Kim, Efthimios Kaxiras; group 2 with 10 PIs, 14 internal connections, weight 10.9, around Nuclear and High Energy Physics, Astronomy and Astrophysics, Artificial Intelligence, led by Matthew Reece, Cora Dvorkin, Bryan Ostdiek.