Armano, M.Audley, H.Baird, J.Binetruy, P.Born, M.Bortoluzzi, D.Castelli, EleonoraCavalleri, A.Cesarini, A.Cruise, A. M.Danzmann, K.de Deus Silva, M.Diepholz, I.Dixon, G.Dolesi, R.Ferraioli, L.Ferroni, V.Fitzsimons, E. D.Freschi, M.Gesa, L.Giardini, D.Gibert, F.Giusteri, R.Grimani, C.Grzymisch, J.Harrison, I.Hartig, M.-S.Heinzel, G.Hewitson, M.Hollington, D.Hoyland, D.Hueller, M.Inchauspé, H.Jennrich, O.Jetzer, P.Karnesis, N.Kaune, B.Korsakova, N.Killow, C. J.Liu, L.Lobo, J. A.López-Zaragoza, J. P.Maarschalkerweerd, R.Mance, D.Martín, V.Martin-Polo, L.Martin-Porqueras, F.Martino, J.McNamara, P. W.Mendes, J.Mendes, L.Meshksar, N.Nofrarias, M.Paczkowski, S.Perreur-Lloyd, M.Petiteau, A.Pivato, P.Plagnol, E.Ramos-Castro, J.Reiche, J.Rivas, F.Robertson, D. I.Russano, G.Sala, L.Serrano, D.Slutsky, J.Sopuerta, C. F.Sumner, T.Texier, D.Thorpe, J. I.Vetrugno, D.Vitale, S.Wanner, G.Ward, H.Wass, P. J.Weber, W. J.Wissel, L.Wittchen, A.Zweifel, P.2025-04-232025-04-232025-02-18Armano, M., H. Audley, J. Baird, P. Binetruy, M. Born, D. Bortoluzzi, E. Castelli, et al. "Magnetic-Induced Force Noise in LISA Pathfinder Free-Falling Test Masses". Physical Review Letters 134, no. 7 (February 18, 2025): 071401. https://doi.org/10.1103/PhysRevLett.134.071401.https://doi.org/10.1103/PhysRevLett.134.071401http://hdl.handle.net/11603/38093LISA Pathfinder was a mission designed to test key technologies required for gravitational wave detection in space. Magnetically driven forces play a key role in the instrument sensitivity in the low-frequency regime, which corresponds to the measurement band of interest for future space-borne gravitational wave observatories. Magnetically induced forces couple to the test mass motion, introducing a contribution to the relative acceleration noise between the free-falling test masses. In this Letter we present the first complete estimate of this term of the instrument performance model.7 pagesen-USThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.Public Domainhttps://creativecommons.org/publicdomain/mark/1.0/Text