|Title||Universal Electromotive Force Induced by Domain Wall Motion|
|Publication Type||Journal Article|
|Year of Publication||2009|
|Authors||Yang, SA, Beach, GSD, Knutson, C, Xiao, D, Niu, Q, Tsoi, M, Erskine, JL|
|Journal||Physical Review Letters|
The electromotive force induced by a moving magnetic domain wall in a nanostrip has been calculated theoretically and detected experimentally. It is found that the emf depends only on the domain wall transformation frequency through a universal Josephson type relation, which is closely related to the topological nature of the domain wall. Our experimental measurements confirm the theoretical prediction.