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中国物理学会期刊

铁磁-超导隧道结中的散粒噪声

CSTR: 32037.14.aps.50.556

SHOT NOISE IN FERROMAGNET-SUPERCONDUCTOR TUNNELING JUNCTION

CSTR: 32037.14.aps.50.556
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  • 考虑到铁磁层中的自旋极化效应与粗糙界面散射效应,利用散射理论,讨论铁磁超导隧道结中的散粒噪声.计算表明:磁交换作用可以抑制隧道结系统的平均电流与散粒噪声功率,而粗糙界面散射可以增强系统的平均电流与散粒噪声功率

     

    Taking into account the spin polarized and interface roughness scattering effect, within scattering formalism, we calculate the shot noise in the ferromagnet-superconductor tunneling junction. It is found that the ferromagnetic exchange interaction gives rise to decrease of the average current and the shot-noise power, but the interface roughness can give rise to increase of the average current and the shot-noise power.

     

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