Author(s): Leif Lui, Lisa V. Drummond, and Alejandro Torres-Orjuela Much like the aerodynamic deflection of a spinning curveball, a rotating secondary in an extreme-mass-ratio inspiral (EMRI) experiences Magnus and lift forces, in addition to the standard drag force, when traversing a gaseous environment. We present the first framework that incorporates these specif… [Phys. Rev. Lett. 137, 121403] Published Wed Sep 16, 2026