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Theory of Spin Transport Through Antiferromagnetic Insulator by Tatara, Gen; Pauyac, Christian Ortiz is a scholarly article available to read on EtoBox.

What is Theory of Spin Transport Through Antiferromagnetic Insulator about?

A theoretical formulation for spin transport through an antiferromagnetic (AF) insulator is presented in the case driven/detected by direct/inverse spin Hall effect in two heavy metal contacts. The spin signal is shown to be transferred by the ferromagnetic correlation function of the antiferromagnet, which is calculated based on a magnon representation. To cover high temperature regimes, we include an auxiliary field representing short AF correlations and a temperature-dependent damping due to magnon scattering. The diffusion length for spin is long close to the degeneracy of the two AF magnons, and has a maximum as function of temperature near the N\'eel transition.

Author

Tatara, Gen; Pauyac, Christian Ortiz

Published

2019

Language

EN