Abstract
We investigate internal localized eigenmodes of the linearized equation around spin discrete breathers in one-dimensional antiferromagnets with on-site easy-axis anisotropy. The threshold of occurrence of the internal localized eigenmodes has a typical structure in the parameter space depending on the frequency of the spin discrete breather. We also performed molecular-dynamics simulation in order to show the validity of our linear analysis.
| Original language | English |
|---|---|
| Article number | 212408 |
| Pages (from-to) | 2124081-2124084 |
| Number of pages | 4 |
| Journal | Physical Review B - Condensed Matter and Materials Physics |
| Volume | 66 |
| Issue number | 21 |
| Publication status | Published - 1 Dec 2002 |
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