Magnetic field spectral evolution in the inner heliosphere - Sioulas, N; Huang, Z; Shi, C; Velli, M; Tenerani, A; Bowen, TA; Bale, SD; Huang, J; Vlahos, L; Woodham, LD; Horbury, TS; de, Wit TD; et al. (Letters of the Astrophysical Journal, 2023)