Phys. Rev. Lett. 76, 511–514 (1996)Normal Modes and Soliton Resonance for Vortices in 2D Classical AntiferromagnetsReceived 9 August 1995; published in the issue dated 15 January 1996 Magnon modes in the presence of solitons (vortices) in two-dimensional (2D) easy-plane antiferromagnets are studied. The vortex-magnon scattering matrix is obtained numerically. The analysis shows the presence of a new localized mode with a well-defined frequency determined by the strength of the anisotropy. It may be possible to observe this mode in resonance experiments for quasi-2D magnetic materials with a finite density of vortices. © 1996 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.76.511
DOI:
10.1103/PhysRevLett.76.511
PACS:
75.10.Hk, 75.30.Ds, 75.40.Gb, 75.50.Ee
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