Origin and Control of Spin Currents in a Magnetic Triplet Josephson Junction(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
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概要
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We study the appearance of a Josephson spin current in a model triplet superconductor junction with a magnetically-active tunneling barrier. We find three distinct mechanisms for producing a spin current, and we provide a detailed discussion of the symmetry properties and the physical origins of each. By combining these three basic mechanisms, we find that it is possible to exercise fine control over the spin currents. In particular, we show that unlike the charge current, the spin currents on either side of the barrier need not be identical.
- 社団法人日本物理学会の論文
- 2008-10-15
著者
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Brydon Philip
Max-planck-institut Fur Festkorperforschung
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Sigrist Manfred
Institut Fur Theoretische Physik Eth Zurich
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Manske Dirk
Max-planck-institut Fur Festkorperforschung
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