Physics – Condensed Matter – Other Condensed Matter
Scientific paper
2008-06-24
Physics
Condensed Matter
Other Condensed Matter
10 pages, 10 figures, corrected typos (including numerical values)
Scientific paper
10.1103/PhysRevB.78.054429
This paper analyzes theoretically the signal propagation in spin transport by modulating the current passing through magnetic multilayers. Using a macroscopic description of spin transport based on the dynamical Boltzmann equation, we show that time-dependent spin transport possesses a wave-like character that leads to modifications of pure spin-diffusion dynamics. In particular, the wave-like characteristics allow one to extract a finite spin signal-propagation velocity.
Hillebrands Burkard
Schneider Hans Christian
Zhu Yao-Hui
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