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DC Field | Value | Language |
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dc.creator | Pereira A . R. | - |
dc.date | 2002 | - |
dc.date.accessioned | 2013-06-01T09:42:24Z | - |
dc.date.available | 2013-06-01T09:42:24Z | - |
dc.date.issued | 2013-06-01 | - |
dc.identifier | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332002000400025 | - |
dc.identifier | http://www.doaj.org/doaj?func=openurl&genre=article&issn=01039733&date=2002&volume=32&issue=3&spage=815 | - |
dc.identifier.uri | http://koha.mediu.edu.my:8181/jspui/handle/123456789/7913 | - |
dc.description | We investigate the spectrum of small amplitude oscillations of the sine-Gordon vortex-antivortex pair in layered ferromagnetic systems described by the anisotropic three-dimensional XY-model. In the case of a small interlayer coupling constant, vortex-pairs can be formed independently in each plane. Analytical expressions for two discrete modes with zero frequency are obtained. These zero modes are associated with the two-dimensional motion of the excitation on an individual plane and are important because the interference between them and a vortex-pair gives rise to contributions to the central peak. The continuum states, which contribute to EPR linewidth, are derived using the Born approximation. | - |
dc.publisher | Sociedade Brasileira de Física | - |
dc.source | Brazilian Journal of Physics | - |
dc.title | Small amplitude oscillations of sine-gordon vortex states in planar magnets in three dimensions | - |
Appears in Collections: | Physics and Astronomy |
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