Fluctuation theorem for spin transport at insulating ferromagnetic junctions
Mesoscale and Nanoscale Physics
2021-12-01 v3
Abstract
General relations for nonequilibrium spin transport at a magnetic junction between a normal metal and a ferromagnetic insulator are derived from the quantum fluctuation theorem. They include the extended Onsager relations between the spin conductance and the spin-current noise that hold for nonequilibrium states driven by an external current. These relations, that are valid for a general setup of spin Hall magnetoresistance, provide a comprehensive viewpoint for understanding of unidirectional spin Hall magnetoresistance in insulating ferromagnetic junctions.
Cite
@article{arxiv.2107.03001,
title = {Fluctuation theorem for spin transport at insulating ferromagnetic junctions},
author = {Tetsuya Sato and Masahiro Tatsuno and Mamoru Matsuo and Takeo Kato},
journal= {arXiv preprint arXiv:2107.03001},
year = {2021}
}
Comments
8 pages, 1 figure