Zhaohui Wei
Assistant Professor
Institute for Interdisciplinary Information Sciences


Education Background

Ph.D.      Department of Computer Science and Technology, Tsinghua University, China        Jan. 2009
B.Eng.    Department of Computer Science and Technology, Tsinghua University, China         Jul. 2003


Research Interests
Quantum Information, Quantum Computation, Computational Complexity, Quantum Machine Learning 

 

Journal Papers (The papers marked with * sort authors alphabetically by last names)

[1] *Anupam Prakash, Jamie Sikora, Antonios Varvitsiotis, and Zhaohui Wei. Completely positive semidefinite rank. Mathematical Programming 171, 397 (2018).
[2] *Markus Grassl, Linghang Kong, Zhaohui Wei, Zhang-Qi Yin, and Bei Zeng. Quantum Error-Correcting Codes for Qudit Amplitude Damping. IEEE Transactions on Information Theory 64, 4674 (2018).
[3] Zhangqi Yin and Zhaohui Wei. Why quantum adiabatic computation and D-Wave computers are so attractive. Science Bulletin, 62(11), 741 (2017).
[4] Zhaohui Wei and Jamie Sikora. Device-independent characterizations of a shared quantum state independent of any Bell inequalities. Physical Review A 95, 032103 (2017).
[5] *Zhaohui Wei and Shengyu Zhang. Quantum game players can have advantage without discord. Information and Computation, 256, 174-184 (2017).
[6] *Troy Lee, Zhaohui Wei, and Ronald de Wolf. Some upper and lower bounds on PSD-rank. Mathematical Programming 162, 495 (2017).
[7] *Rahul Jain, Zhaohui Wei, Penghui Yao, and Shengyu Zhang. Multipartite Quantum Correlation and Communication Complexities. Computational Complexity 26, 199 (2017).
[8] *Jamie Sikora, Antonios Varvitsiotis, and Zhaohui Wei. Device-independent dimension tests in the prepare-and-measure scenario. Physical Review A 94, 042125 (2016).
[9] *Jamie Sikora, Antonios Varvitsiotis, and Zhaohui Wei. Minimum dimension of a Hilbert space needed to generate a quantum correlation. Physical Review Letters 117, 060401 (2016).
[10] *Troy Lee and Zhaohui Wei. The square root rank of the correlation polytope is exponential. Preprint arXiv: 1411.6712.
[11] *Zhaohui Wei and Shengyu Zhang. Full characterization of quantum correlated equilibria. Quantum Information and Computation 13, 0847–0860(2013).
[12] *Rahul Jain, Yaoyun Shi, Zhaohui Wei, and Shengyu Zhang. Efficient protocols of generating bipartite classical distributions and quantum states. IEEE Transactions on Information Theory 59, 5171 (2013).
[13] *Jianxin Chen, Zhengfeng Ji, David Kribs, Zhaohui Wei, and Bei Zeng. Ground-State Spaces of Frustration-Free Hamiltonians. Journal of Mathematical Physics 53, 102201(2012).
[14] *Jianxin Chen, Zhengfeng Ji, Zhaohui Wei, and Bei Zeng. Correlations in excited states of local Hamiltonians. Physical Review A 85, 040303 (Rapid Communication) (2012).
[15] Chong Zu, Yuexuan Wang, Xiuying Chang, Zhaohui Wei, Shengyu Zhang, and Luming Duan. Experimental demonstration of quantum gain in a zero-sum game. New Journal of Physics 14, 033002 (2012).
[16] *Leong Chuan Kwek, Zhaohui Wei, and Bei Zeng. Measurement-Based Quantum Computing with Valence-Bond-Solids. International Journal of Modern Physics B 26 (2), 1230002 (2012)
[17] *Zhengfeng Ji, Zhaohui Wei, and Bei Zeng. Complete characterization of the ground space structure of two-body frustration-free Hamiltonians for qubits. Physical Review A 84, 042338 (2011)
[18] *Markus Grassl, Zhengfeng Ji, Zhaohui Wei and Bei Zeng. Quantum capacity approaching codes for the detected-jump channel. Physical Review A 82, 062324 (2010).
[19] Zhaohui Wei, Yongjian Han, Choo Hiap Oh, and Luming Duan. Improving noise threshold for optical quantum computing with the EPR photon source. Physical Review A 81, 060301(Rapid Communication) (2010).
[20] Chi Zhang and Zhaohui Wei. Adiabatic quantum counting by geometric phase measurement, Quantum Information Processing 9, 369-383 (2010).
[21] Wei Huang and Zhaohui Wei. Efficient one-way quantum computations for quantum error correction, Journal of Physics A 42, 295301(2009).
[22] Zhengfeng Ji, Jianxin Chen, Zhaohui Wei, and Mingsheng Ying. The LU-LC conjecture is false. Quantum Information and Computation 10, 97–108(2010)
[23] Wei Huang and Zhaohui Wei. Schmidt measure is not fully additive for pure states. Physical Review A 78, 024304 (2008).
[24] Zhaohui Wei and Mingsheng Ying. Quantum adiabatic computation and adiabatic conditions. Physical Review A 76, 024304 (2007).
[25] Zhaohui Wei, Zhengfeng Ji, and Mingsheng Ying. Majorization in quantum adiabatic algorithms. Physical Review A 74, 042320 (2006).
[26] Zhaohui Wei and Mingsheng Ying. A modified quantum adiabatic evolution for the Deutsch Jozsa problem. Physical Letters A 354: 271-273 (2006).
[27] Zhaohui Wei and Mingsheng Ying. A relation between fidelity and quantum adiabatic evolution. Physical Letters A 356: 312-315 (2006). 

Conference Papers (The papers marked with * sort authors alphabetically by last names)

[1] *Zhaohui Wei and Shengyu Zhang. Quantum game players can have advantage without discord. Presented at 12th Annual Conference on Theory and Applications of Models of Computation (TAMC) 2015.
[2] *Markus Grassl, Zhaohui Wei, Zhang-Qi Yin, and Bei Zeng. Quantum Error-Correcting Codes for Qudit Amplitude Damping. Presented at IEEE International Symposium on Information Theory (ISIT) 2014.
[3] *Rahul Jain, Yaoyun Shi, Zhaohui Wei, and Shengyu Zhang. Efficient protocols of generating bipartite classical distributions and quantum states. Presented at 24th Annual ACM-SIAM Symposium on Discrete Algorithms (SODA) 2013.
[4] *Zhengfeng Ji, Zhaohui Wei, and Bei Zeng. Complete characterization of the ground space structure of two-body frustration-free Hamiltonians for qubits. Presented at 13rd Workshop on Quantum Information Processing (QIP) 2010.
[5] Zhengfeng Ji, Jianxin Chen, Zhaohui Wei, and Mingsheng Ying. The LU-LC conjecture is false. Presented at 11st Workshop on Quantum Information Processing (QIP) 2008.  

Openings

PhD students: 1 per year