Heating rate gradient drives mesostructural dynamics in solid propellant under nonequilibrium conditions - Zhi Jiang; Tianhao Wang; Weichen Sheng; Zechen Li; Chengli Mao; Haolin Luo; Yujian Xia; Wenfeng Shangguan; Chaoyang Zhang; Jiaxing Wang (Proceedings of the National Academy of Sciences, 2025)