Viscous spin exchange torque on precessional magnetization in (LaMnO{sub 3}){sub 2n}/(SrMnO{sub 3}){sub n} superlattices.

Bhattacharya, Anand; Zhao, H; Bader, Samuel; Smith, K; Warusawithana, Maitri; Fan, Y; Eckstein, James; Lupke, G; Zhai, X