Spin wave mediated non-reciprocal effects in antiferromagnets

Abstract

By using an effective field theory for the electromagnetic interaction of spin waves, we show that, in certain antiferromagnets, the latter induce non-reciprocal effects in the microwave region, which should be observable in the second harmonic generation and produce gyrotropic birefringency. We calculate the various (non-linear) susceptibilities in terms of a few parameters the order of magnitude of which is under control.

Latex file, 22p . Published version

References in corpus (1)

• Effective Field Theory Approach to Ferromagnets and Antiferromagnets in Crystaline Solids

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