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- W1997302557 abstract "We investigate the antiferromagnetic magnon modes in the neighborhood of a (001) interface between two bcc antiferromagnets. The system is characterized by three parameters ${mathit{J}}_{+}$, ${mathit{J}}_{mathrm{ensuremath{-}}}$, and ${mathit{J}}_{0}$, which describe the exchange couplings in the right side, in the left side, and across the interface itself. We study the nature of the interface magnons as a function of these parameters, and we find a rich variety of possible magnon states. In most cases these magnons are strongly localized in the lattice planes adjacent to the interface and might exhibit two-dimensional behavior. In general, quantum fluctuations lead to a nonzero interface magnetization at T=0 K. At finite temperatures the magnetic behavior of the interface is expected to be markedly different from that of the bulk." @default.
- W1997302557 created "2016-06-24" @default.
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- W1997302557 date "1990-07-01" @default.
- W1997302557 modified "2023-09-24" @default.
- W1997302557 title "Spin waves at the interface between two antiferromagnets" @default.
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- W1997302557 doi "https://doi.org/10.1103/physrevb.42.885" @default.
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