Article Dans Une Revue Physical Review B Année : 2023

Spin Pumping into Carbon Nanotubes

Spin pumping into carbon nanotubes

Résumé

We theoretically study spin pumping from a ferromagnetic insulator (FI) into a carbon nanotube (CNT). By employing the bosonization method, we formulate the Gilbert damping induced by the FI/CNT junction, which can be measured by ferromagnetic resonance. We show that the increase in the Gilbert damping has a temperature dependence characteristic of a Luttinger liquid and is highly sensitive to the Luttinger parameter of the spin sector for a clean interface. We also discuss the experimental relevance of our findings based on numerical estimates, using realistic parameters.

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Dates et versions

hal-04013520 , version 1 (03-03-2023)

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Kota Fukuzawa, Takeo Kato, Mamoru Matsuo, Thibaut Jonckheere, Jérôme Rech, et al.. Spin Pumping into Carbon Nanotubes. Physical Review B, 2023, 108 (13), pp.134429. ⟨10.1103/PhysRevB.108.134429⟩. ⟨hal-04013520⟩
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