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Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/14096

Title: Quantum Dynamics of Tunneling Between Ferromagnets
Authors: Lee, Yu-Li;Lee, Yu-Wen
Contributors: 物理學系
Date: 2003
Issue Date: 2012-09-10T06:07:48Z
Publisher: The American Physical Society
Abstract: We study the Josephson-like spin currents between two ferromagnetic metals by deriving the effective action of the junction. A dc spin Josephson current with the full O(3) symmetry is obtained. We also show that a time-independent uniform magnetic field can serve as the source of the ac spin Josephson effect. That is, the spin current in a uniform magnetic field becomes a periodic function of the time with the period proportional to the inverse of the magnitude of the external magnetic field.
Relation: Phys. Rev. B, 68(18): 184413
Appears in Collections:[物理學系] 期刊論文

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