| Issue |
EPL
Volume 82, Number 1, April 2008
|
|
|---|---|---|
| Article Number | 10005 | |
| Number of page(s) | 4 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/82/10005 | |
| Published online | 17 March 2008 | |
A proposal for detecting spin-entangled electrons using the Berry phase
1
School of electric and electronic engineering, NanYang Technological University - Singapore
2
Zhejiang Institute of Modern Physics, Zhejiang University - Zhejiang, Hangzhou 310027, China
Corresponding author: zhaoxa@zju.edu.cn
Received:
28
December
2007
Accepted:
13
February
2008
We are motivated by a setup proposed by J. Carlos Egues et al. (Phys. Rev. Lett., 89 (2002) 176401) to investigate correlations of entangled electron pairs in the presence of two rotating magnetic fields. Using the scattering approach we show that the entangled electron pairs just like a composite particle. The singlet and triplet states show different bunching and anti-bunching behaviors, which can be easily controlled by the magnetic fields. The results can be demonstrated by using a coincident technique. The correlations show up at characteristic output signals for different states.
PACS: 03.65.Vf – Phases: geometric; dynamic or topological / 72.25.Dc – Spin polarized transport in semiconductors / 03.65.Ud – Entanglement and quantum nonlocality (e.g. EPR paradox, Bell's inequalities, GHZ states, etc.)
© EPLA, 2008
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