First-principles study of ultralow magnetic susceptibility in Au−Pt−Pd ternary alloys for gravitational-wave detectorsRemoveYa-Ting Ye, Ye-Lei Xiao, Jun-Tao Ma, Butian Zhang, Hua-Hua Fu, Shun Wang, and Ze-Bing ZhouPhys. Rev. Applied 25, 034010 (2026)