Prof. Qingfeng Sun 孙庆丰

Contact Info

Office: Physics BuildingW572, 物理楼西572

Tel: 86-10-62744002

Email: sunqf@pku.edu.cn

Personal Homepage：http://icqm.pku.edu.cn/contents/188/358.html

Education

Professional Appointments

Research Interests

My research interests are quantum transport. I mainly focus on quantum dot, topological insulator, superconductor, graphene, the system with spin-orbit interaction, DNA, etc.

Honors and Awards

Excellent national doctoral dissertation (2002)

NSFC Distinguished Young Scholar (2005)

Cheung Kong Scholars (2013)

Selected Publications

1. Ai-Min Guo and Qing-Feng Sun*, “spin-dependent electron transport in protein-like single-helical molecules.” PNAS 111, 11658 (2014).

2. Haiwen Liu, Hua Jiang, Qing-feng Sun* and X. C. Xie*, “Dephasing Effect on Backscattering of Helical Surface States in 3D Topological Insulators.” Phys. Rev. Lett. 113, 046805 (2014).

3. Zhi-qiang Bao, X.C. Xie* and Qing-feng Sun*, “Ginzburg-Landau-type theory of spin superconductivity.” Nature Communications 4，2951 (2013).

4. Ai-Min Guo and Qing-feng Sun* “Spin-Selective Transport of Electrons in DNA Double Helix.” Phys. Rev. Lett.108, 218102 (2012).

5. Qing-feng Sun*and X.C. Xie, “CT-Invariant Quantum Spin Hall Effect in Ferromagnetic Graphene.” Phys. Rev. Lett.104, 066805 (2010).

6. Shu-guang Cheng, Yanxia Xing, Jian Wang, Qing-feng Sun*, “Controllable Andreev Retroreflection and Specular Andreev Reflection in a Four-Terminal Graphene-Superconductor Hybrid system.”Phys. Rev. Lett. 103, 167003(2009).

7. Hua Jiang, Shuguang Cheng, Qing-feng Sun* and X.C. Xie, “Topological Insulator: A New Quantized Spin Hall Resistance Robust to Dephasing.” Phys. Rev. Lett. 103, 036803(2009).

8. W. Long, Qing-feng Sun* and Jian Wang,“Disorder-Induced Enhancement of Transport through Graphene p-n Junctions.”Phys. Rev. Lett.101, 166806(2008).

9. Qing-feng Sun, X.C. Xie and Jian Wang,“Persistent spin current in a mesoscopic hybrid ring with spin-orbit coupling.”Phys. Rev. Lett.98, 196801(2007).

10. Zhao-tan Jiang, Qing-feng Sun*, X.C. Xie, and Yupeng Wang, “Do intradot electron-electron interactions induce dephasing?” Phys. Rev. Lett. 93, 076802 (2004).

11. Qing-feng Sun, Hong Guo and Jian Wang, “A spin cell for spin current.”Phys. Rev. Lett.90, 258301(2003).

12. Qing-feng Sun, Ping Yang and Hong Guo, “Four-Terminal Thermal Conductance of Mesoscopic Dielectric Systems.” Phys. Rev. Lett. 89, 175901 (2002).

13. Qing-feng Sun, Hong Guo and Tsung-han Lin, “Excess Kondo resonance in a quantum dot device with a normal and a superconducting leads: the physics of Andreev-normal co-tunneling.” Phys. Rev. Lett. 87, 176601 (2001).

Open Positions