Title: Spin excitations used to probe the nature of exchange coupling in the magnetically ordered ground state of Pr_0.5Ca_0.5MnO_3
Authors: R.A. Ewings, T.G. Perring, O. Sikora, D.L. Abernathy, Y. Tomioka, and Y. Tokura
Journal: Physical Review B
Publication type: article
DOI: 10.1103/PhysRevB.94.014405