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Literature Study of Field-like Torques

Literature Study of Field-like Torques. Huanlong Liu. Outline. Experiments : Li(2008): Phase Diagram, FLT I|V|, change sign Kubota(2008), Sankey (2008): ST-FMR , FLT  V 2 , do not change sign Theory: Theodonis (2006): tight-binding, FLT  V 2 ,

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Literature Study of Field-like Torques

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  1. Literature Study of Field-like Torques Huanlong Liu

  2. Outline • Experiments: • Li(2008): Phase Diagram, FLT I|V|, change sign • Kubota(2008), Sankey(2008): ST-FMR, FLT  V2, do not change sign • Theory: • Theodonis(2006): tight-binding, FLT  V2, • Li(2008): inelastic tunneling, FLT I|V|,

  3. Experiments Li et al. PRL 100, 246602 (2008) Sankey et al. Nature Phys. 4, 67 (2008) Kubota et al Nature Phys. 4, 37 (2008)

  4. Theory Theodinis et al. PRL 97, 237205 (2006) Li et al. PRL 100, 246602 (2008)

  5. Only transverse component of δm,

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