Double Quantum Dot scenario for spin resonance in current noise
Mesoscale and Nanoscale Physics
2021-02-23 v2
Abstract
We show that interference between parallel currents through two quantum dots, in presence of spin orbit interactions and strong on-site Coulomb repulsion, leads to resonances in current noise at the corresponding Larmor frequencies. An additional resonance at the difference of Larmor frequencies is present even without spin-orbit interaction. The resonance lines have strength comparable to the background shot noise and therefore can account for the numerous observations of spin resonance in STM noise with non-polarized leads. We solve also several other models that show similar resonances.
Keywords
Cite
@article{arxiv.1904.11221,
title = {Double Quantum Dot scenario for spin resonance in current noise},
author = {Baruch Horovitz and Anatoly Golub},
journal= {arXiv preprint arXiv:1904.11221},
year = {2021}
}
Comments
5 pages + 35 pages of supplementary material. Overall 19 figures