Summary: Stockholm University shares the AlbaNova University Center with KTH, creating a joint quantum physics environment. The Oskar Klein Centre for Cosmoparticle Physics coordinates dark matter and cosmological sensing research directly relevant to astronomical quantum sensing. The Department of Physics hosts groups in AMO physics, atomic spectroscopy, and condensed matter physics. The Arrhenius Laboratories contribute to chemical physics and biosensing. Moderate quantum sensing depth; the key value proposition is the AlbaNova ecosystem and proximity to KTH's engineering capabilities and WACQT funding.

Notes: AlbaNova University Center (shared with KTH). Oskar Klein Centre for Cosmoparticle Physics (dark matter, cosmology). AMO physics, atomic spectroscopy, condensed matter groups. WACQT member via KTH partnership. Arrhenius Laboratories for chemical physics.