Spin wave propagation in the domain state of a random field magnet R. L. Leheny, Y. S. Lee, G. Shirane and R. J. Birgeneau Eur. Phys. J. B, 32 3 (2003) 287-290 Published online: 11 April 2003 DOI: 10.1140/epjb/e2003-00099-1