Fermi-liquid behavior and characteristic temperature-dependent susceptibility in clean single crystal RuO2RemoveShubhankar Paul, Atsutoshi Ikeda, Hisakazu Matsuki, Giordano Mattoni, Jörg Schmalian, Kunihiko Yamauchi, Chanchal Sow, Shingo Yonezawa, and Yoshiteru MaenoPhys. Rev. B 114, 034414 (2026)