“School of Nano-Sciences”
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| Paper IPM / Nano-Sciences / 8143 |
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| Abstract: | |||||
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The ballistic conductance of a magnetic-quantum wire (M-QW) sandwiched betweenmtwo semi-infinite paramagnetic leads has been studied fully analytically. Inmthis work, we extract a new general formula which relates the electrical conductance
to transfer matrix (TM) for an isolated cell in the system. This formula describes exactly the dependence of conductance on Fermi energy, wire hopping terms, and
magnetic wire-length for a sandwiched M-QW. Also, we calculat the conductance for a uniform and periodic M-QW system, analytically. Our calculations can be generalized to any type of M-QW within one electron approximation, and also can be applied to magnetic superlattices and multilayers, where these results may be useful in designing of spintoronic devices.
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