Planetary dynamos in evolving cold gas giants Albert Elias-López, Fabio Del Sordo, Daniele Viganò, Clàudia Soriano-Guerrero, Taner Akgün, Alexis Reboul-Salze and Matteo Cantiello A&A, 696 (2025) A161 Published online: 25 April 2025 DOI: 10.1051/0004-6361/202453372