title: Domain wall propagation through spin wave emission.
abstract: We theoretically study field-induced domain wall motion in an electrically insulating ferromagnet with hard- and easy-axis anisotropies. Domain walls can propagate along a dissipationless wire through spin wave emission locked into the known soliton velocity at low fields. In the presence of damping, the usual Walker rigid-body propagation mode can become unstable for a magnetic field smaller than the Walker breakdown field.
authors.affiliation: Physics Department, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong.
authors.forename: X S
authors.initials: XS
authors.lastname: Wang
authors.forename: P
authors.initials: P
authors.lastname: Yan
authors.forename: Y H
authors.initials: YH
authors.lastname: Shen
authors.forename: G E W
authors.initials: GE
authors.lastname: Bauer
authors.forename: X R
authors.initials: XR
authors.lastname: Wang