Negative-energy spin waves in antiferromagnets for spin-current amplification and analogue gravity
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DOI: 10.1103/physrevb.112.024420
Abstract: Magnonic black holes-analogue event horizons for the spin-wave collective excitations of ordered magnets-can be used for fundamental research, for example for investigating Hawking radiation, but also for technological applications of spin waves. Here we show… read more here.
Keywords: spin waves; negative energy; waves antiferromagnets; amplification ... See more keywords