Photon Pumped Spin Wave Instability in Rutile-Type Antiferromagnets. : II. Raman Scattering
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It is shown that Raman-scattering mechanism associated with one photon-two magnon process in rutile-type antiferromagnets causes spin wave instability, if the intensity of the incident radiation execceds a certain threshold value. Nonthermal excitation of magnons is possible by the use of this spin wave instability. An order estimation of the threshold value is given.
- 社団法人日本物理学会の論文
- 1973-11-05
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