Report summary

The 2018-2020 picture for Northwestern University Department of Physics and Astronomy is a 26-PI network with 9 internal PI collaborations. The research center of gravity is Physics and Astronomy as the leading field (43% of slots across 20 PIs; 20 labels), Atomic and Molecular Physics, and Optics as the leading subfield (17% of slots across 9 PIs; 9 labels), and Particle physics theoretical and experimental studies as the leading topic (7% of slots across 5 PIs; 5 labels). That is a thin collaboration pattern, useful for spotting individual pairs but less persuasive as a broad departmental network. The top weighted PIs are Mónica Olvera de la Cruz (22.1 weighted works; Electrostatics and Colloid Interactions, Block Copolymer Self-Assembly). The strongest pairings are André de Gouvêa and Ivan Martínez-Soler (3 shared works, weight 2.1); Michael J. Bedzyk and Mónica Olvera de la Cruz (5 shared works, weight 1.9). The standout breakdown groups are group 1 with 6 PIs, 5 internal connections, weight 4.1, around Atomic and Molecular Physics, and Optics, Molecular Biology, Materials Chemistry, led by Mónica Olvera de la Cruz, Michael J. Bedzyk, John F. Marko.