Zero-magnon sound in quantum Heisenberg ferromagnets
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DOI: 10.1103/physrevb.102.224437
Abstract: Using a functional renormalization group approach we show that at low temperatures and in a certain range of magnetic fields the longitudinal dynamic structure factor of quantum Heisenberg ferromagnets in dimensions $D\leq 2$ exhibits a… read more here.
Keywords: heisenberg ferromagnets; quantum heisenberg; magnon sound; zero magnon ... See more keywords