Fuping Cheng & Weidong Sheng*

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Presentation transcript:

Singlet-Triplet spin blockade in tunneling transport through a few-electron system Fuping Cheng & Weidong Sheng* Department of Physics, Fudan University, Shanghai 200433, China Conclusion The two-electron system will resonate at the eigenstate energy pot as the single-electron. We can find the Coulomb-blockade because of the spin of the two-electron system. This method can save the problem of the some-body system, like the three-electron (or four-electron) system. References [1] Jian-Bai Xia, Phys. Rev. B, 45, 3593 (1992). [2] Alex Marchi,* Susanna Reggiani, Massimo Rudan, and Andrea Bertoni, Phys. Rev. B, 72, 035403 (2005). [3] Andrea Bertoni and Guido Goldoni, Phys. Rev. B, 75, 235318 (2007) [4] Patrik Recher, Eugene V. Sukhorukov, and Daniel Loss, Phys. Lett. 85, 1962 (2000)