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Magnon generation by laser beam scanning along a ferromagnet surface

I V Baryakhtar and A E Chubykalo

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A new method of spin wave generation by laser beam scanning along a ferromagnet surface is proposed. It is shown that due to the action of the beam a local magnetic inhomogeneity appears that can be considered as a source of Cherenkov radiation. Depending on the form of the beam cross section and properties of the ferromagnet, the formation of a one-, two- or three-dimensional source is possible.


PACS

75.30.Ds Spin waves

75.70.Rf Surface magnetism

Subjects

Condensed matter: electrical, magnetic and optical

Surfaces, interfaces and thin films

Dates

Issue 8 (25 February 1991)



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