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    Electronic Resource
    Electronic Resource
    Scattering of surface magnetic polaritons rom order-parameter fluctuations near second-order magnetic phase transitions (2000)
    Springer
    Optics and spectroscopy 88 (2000), S. 55-62 
    Details
    ISSN: 1562-6911
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A study is reported of the scattering of surface magnetic polaritons in the vicinity of second-order spin-reorientational phase transitions, which is caused by spatial fluctuations of the order parameter. A four-sublattice antiferromagnet α-Fe2O3 is used as an example to derive expressions for the vacuum-scattered radiation near exchange magnetic-vibration frequencies. The scattering of surface magnetic polaritons is shown to be resonantly enhanced in characteristic regions of their spectrum. Estimates made for α-Fe2O3 indicate a possibility of experimental observation of surface magnetic-polariton scattering from fluctuations of the refractive index near second-order spin-reorientational phase transitions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1134/1.626747
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