Prof. Rui-Rui Du 杜瑞瑞

Chair Professor

Contact Info

Office:Physics Building W674, 物理楼西674

Personal Homepage:










University of Illinoisat Urbana-Champaign




Fudan University, China


Professional Appointments





Director & Chair Professor                

ICQM, Peking University                 



Rice University


Assistant to Full Professor

University of Utah


Postdoctoral Research Fellow

Princeton University


Visiting Professor

NTT Laboratory for Basic Research, Japan


Visiting Professor

University of Munich, Germany


Research Interests

Quantum transport in low dimensional semiconductors, topological insulators and superconductors, fractional quantum Hall effect, low temperature physics, microwave spectroscopy for solid states.


Honors and Awards



Fellow of the American Physical Society

Outstanding Young Researcher Award, Overseas Chinese


Physicist Association OCPA (Washington D.C.)


A. P. Sloan Research Fellowship

Selected Publications

1. Lingjie Du, Ivan Knez, Gerard Sullivan, and Rui-Rui Du, “Robust Helical Edge Transport in Gated InAs/GaSb Bilayers.” Phys. Rev. Lett. 114, 096802 (2015).

2. Ivan Knez, R. R. Du, and G. Sullivan, “Andreev Reflection of Helical Edge Modes in InAs/GaSb Quantum Spin Hall Insulator.” Phys. Rev. Lett. 109, 186603 (2012).

3. Guangtong Liu, Chi Zhang, D. C.Tsui, Ivan Knez, Aaron Levine, R. R. Du, L. N. Pfeiffer, and K. W. West, 'Enhancement of the ν=5/2 Fractional Quantum Hall State in a Small In-Plane Magnetic Field.' Phys.Rev.Lett. 108, 196805 (2012).

4. Ivan Knez, R. R. Du, and G. Sullivan, “Evidence for Helical Edge Modes in Inverted InAs/GaSb Quantum Wells.” Phys.Rev.Lett. 107, 136603 (2011).

5. Yanhua Dai, R. R. Du, L. N. Pfeiffer, and K. W. West, 'Observation of Cyclotron Harmonic Spikein Microwave-Induced Resistances in Ultraclean GaAs/AlGaAs Quantum Wells.' Phys.Rev.Lett. 105, 246802 (2010).

6. Chi Zhang,T. Knuuttila, Yanhua Dai, R. R. Du,L. N.Pfeiffer, and K. W. West,'Observation of ν =5/2 Fractional Quantum Hall Effect at10Tesla: Implications for Pfaffian State.' Phys.Rev.Lett. 104, 166801 (2010).

7. M. A. Zudov, R. R. Du, L. N. Pfeiffer, and K. W. West, “Evidence for a New Dissipationless Effectin 2D ElectronicTransport.” Phys.Rev.Lett. 90, 046807 (2003).

8. C. L. Yang, J.  Zhang, R. R. Du, J. A.Simmons, J. L. Reno, “Zener Tunneling Between Landau Orbits in a High-MobilityTwo-Dimensional Electron Gas.” Phys.Rev.Lett. 89, 076801 (2002).

9. W. Pan, R. R. Du, H. L. Stormer, D. C. Tsui, L. N. Pfeiffer, K. W. Baldwin,  K. W. West, “Strongly Anisotropic ElectronicTransport at Landau Level Filling Factor ν=9/2 and ν=5/2 under a Tilted Magnetic Field.” Phys.Rev.Lett. 83, 820 (1999).

10. R. R. Du, H. L.Stormer, D. C.Tsui, L. N.Pfeiffer, K. W.West,“Experimental Evidence for New Particles in the Fractional Quantum Hall Effect.” Phys.Rev.Lett. 70, 2944 (1993).


Some of the above work have been highlighted by:

1. Exotic matter: Majorana modes materialize, Nature Nanotechnology 8, 623 (2013)

2. Solid State Physics: Resistance is Futile, Nature 442, 17August, 2006

3. A Hint of Negative Electrical Resistance, Physics News in 2006, by American Institute of Physics

4. Cooking a Two-Dimensional Electron Gas with Microwaves, Science 304, 18 June, 2004

5. Microwave Induce Vanishing Resistance in Two-Dimensional, Electron Systems, Physics Today, Search and Discovery, April 2003

6. Physics Nobel Prize Goes to Tsui, Stormer and Laughlin for the Fractional Quantum Hall Effect, Physics Today, Search and Discovery, December 1998

7. Half-Filled Landau Level Yields Intriguing Data and Theory, Physics Today, Search and Discovery, July 1993


Open Positions