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LIU Renbao
Associate Professor

Education:

• PhD, Institute of Semiconductors, Chinese Academy of Sciences, Beijing, 2000
• BSc, Department of Physics, Nanjing University, Nanjing, 1995

Position:

• Head (2011-now), Division of Physics and Division of Materials Science and Engineering, The Chinese University of Hong Kong
• Associate Professor (2010-now), Department of Physics, The Chinese University of Hong Kong
• Assistant Professor (2005-2010), Department of Physics, The Chinese University of Hong Kong
• Postgraduate Researcher (2002-2005), University of California, San Diego
• Postdoctoral Fellow (2000-2002), Center for Advanced Study, Tsinghua University

Research Interests:

• Physics for implementing quantum computation in solid-state systems
• Spin dynamics in semiconductors; electron spin decoherence in nuclear spin baths
• Quantum optics and nonlinear optical spectroscopy of mesoscopic systems
• Magnetic nanometrology, magnetic resonance spectroscopy

Selected Recent Publications:

• N. Zhao, J.L. Hu, S.W. Ho, J.T.K. Wan and R.B. Liu, "Atomic-scale magnetometry of distant nuclear spin clusters via nitrogen-vacancy spin in diamond", Nature Nanotechnology (Cover Story)
• Z.Y. Wang and R.B. Liu, "Protection of quantum systems by nested dynamical decoupling", Physical Review A 83, 022306 (2011).
• W. Yang, Z.Y. Wang and R.B. Liu, "Preserving qubit coherence by dynamical decoupling", Front. Phys. 6, 2 (2011). (Invited Review)
• R.B. Liu, W. Yao and L.J. Sham, "Quantum computing by optical control of electron spins", Advances in Physics 59, 703-802 (2010). (Review Article)
• J. Wang, B.F. Zhu and R.B. Liu, "Second-order nonlinear optical effects of spin currents", Phys. Rev. Lett. 104, 256601 (2010).
• J. Du, X. Rong, N. Zhao, Y. Wang, J. Yang and R.B. Liu, "Preserving spin coherence in solids by optimal dynamical decoupling", Nature 461, 1265 (2009).
• W. Yang and R. B. Liu, "Universality of Uhrig Dynamical Decoupling for Suppressing Qubit Pure Dephasing and Relaxation", Phys. Rev. Lett. 101, 180403 (2008).
• W. Yang and R. B. Liu, "Quantum many-body theory of qubit decoherence in a finite-size spin bath", Phys. Rev. B 78, 085315 (2008). (Editor's Suggestion)
• J. Wang, B.F. Zhu and R.B. Liu, "Proposal for Direct Measurement of a Pure Spin Current by a Polarized Light Beam", Phys. Rev. Lett. 100, 086603 (2008).
• R. B. Liu, W. Yao and L.J. Sham, "Control of electron spin decoherence caused by electron–nuclear spin dynamics in a quantum dot", New J. Phys. 9, 226 (2007). (Editor's Selection)