Spin-wave tunnelling through a mechanical gap T. Schneider, A. A. Serga, A. V. Chumak, B. Hillebrands, R. L. Stamps and M. P. Kostylev EPL, 90 2 (2010) 27003 Published online: 10 May 2010 DOI: 10.1209/0295-5075/90/27003