Low-frequency noise in tunneling through a single spin

Details Low-frequency noise in tunneling through a single spin Low-frequency noise in tunneling through a single spin

2004-02-24

arxiv.org/abs/cond-mat/0402575v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 3 figures. In the replaced version some mistakes are fixed

Scientific paper

10.1103/PhysRevB.70.033405

We propose measurements of low-frequency noise in the tunneling current through a single molecule with a spin as an experimental probe for identifying a mechanism of the spin-dependent tunneling. A specific tail near the zero frequency in the noise spectrum is predicted; the amplitude and the width of being of the same order of magnitude as the recently reported peak in the noise spectrum at the spin Larmor frequency. The ratio of the spectrum amplitudes at zero- and Larmor frequencies is shown to be a convenient tool for testing theoretical predictions.

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