Abstract

We investigated theoretically the resonant splitting of ballistic conductance peaks in magnetic superlattices. It is found that, for magnetic superlattices with periodically arranged n identical magnetic barriers, there exists a general $(n\ensuremath{-}1)$-fold resonant peak splitting rule for ballistic conductance, which is the analogy of the $(n\ensuremath{-}1)$-fold resonant splitting for transmission in n-barrier electric superlattices [R. Tsu and L. Esaki, Appl. Phys. Lett. 22, 562 (1973)].

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