|
| | | | |
| | | |
| Stat |
Members: 3645
Articles: 2'501'711
Articles rated: 2609
20 April 2024 |
|
| | | | |
|
Article overview
| |
|
|
Nonlinear Spin Polarized Transport Through a Quantum Dot | | Baigeng Wang
; Jian Wang
; Hong Guo
; | | Date: |
21 Oct 1999 | | Journal: | J. Phys. Soc. Jpn. Vol.70, 2645 (2001). | | Subject: | cond-mat | | Abstract: | We present a theoretical analysis of the nonlinear bias and temperature dependence of current-voltage characteristics of a spin-valve device which is formed by connecting a quantum dot to two ferromagnetic electrodes whose magnetic moments orient at an angle $ heta$ with respect to each other. The theory is based on nonequilibrium Green’s function approach and focused on current perpendicular to plane geometry. Coulomb interaction has been taken into account explicitly at the Hartree level. We derive a formula in closed form for current flowing through the device in general terms of bias and temperature. In the wideband limit we report exact results for the TMR junction nonlinear I-V curve as a function of $ heta$. We also report the conductance slope at zero bias as a function of temperature for which experimental results reported an anomalous behavior. | | Source: | arXiv, cond-mat/9910315 | | Services: | Forum | Review | PDF | Favorites | |
|
|
No review found.
Did you like this article?
Note: answers to reviews or questions about the article must be posted in the forum section.
Authors are not allowed to review their own article. They can use the forum section.
browser Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
|
| |
|
|
|
|
News, job offers and information for researchers and scientists:
| |
REGISTER