Internal localized eigenmodes on spin discrete breathers in antiferromagnetic 
chains with on-site easy-axis anisotropy

Kim, S. W.; Kim, S.

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Internal localized eigenmodes on spin discrete breathers in antiferromagnetic chains with on-site easy-axis anisotropy

Kim, S. W., & Kim, S. (2002). Internal localized eigenmodes on spin discrete breathers in antiferromagnetic chains with on-site easy-axis anisotropy. Physical Review B, 66(21): 212408. Retrieved from http://ojps.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRBMDO000066000021212408000001&idtype=cvips&gifs=yes.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-002B-3688-1 Versions-Permalink: https://hdl.handle.net/11858/00-001M-0000-002B-3689-0

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Urheber:
Kim, S. W.¹, Autor
Kim, S.¹, Autor

Affiliations:
1Max Planck Institute for the Physics of Complex Systems, Max Planck Society, ou_2117288

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MPIPKS: Deterministic dynamics

Zusammenfassung: 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.