Stability of precessional states induced by spin-current

Z. Li; J. He; S. Zhang

doi:10.1103/PhysRevB.72.212411

Stability of precessional states induced by spin-current

Z. Li, J. He, S. Zhang

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Abstract

The presence of stable precessional states is the hallmark of spin-current driven magnetization dynamics. By using the Fokker-Planck equation along with a perturbation theory, we analytically formulate the lifetime of these precessional states at finite temperatures. It is found that the thermal transition between a static state and the precessional state can be described in terms of spin-torque dependence of the energy density function.

Original language	English (US)
Article number	212411
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	72
Issue number	21
DOIs	https://doi.org/10.1103/PhysRevB.72.212411
State	Published - Dec 1 2005
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.72.212411

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AB - The presence of stable precessional states is the hallmark of spin-current driven magnetization dynamics. By using the Fokker-Planck equation along with a perturbation theory, we analytically formulate the lifetime of these precessional states at finite temperatures. It is found that the thermal transition between a static state and the precessional state can be described in terms of spin-torque dependence of the energy density function.

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Stability of precessional states induced by spin-current

Abstract

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