Jianxin Chen

jianxin-chen's picture
Hartree Postdoctoral Fellow (2014-2017)
jxchen@umd.edu
3100L Atlantic Building
(301) 314-1836
Website

Jianxin Chen was a QuICS Hartree Postdoctoral Fellow in quantum information and computer science. His research focused on the theory of quantum information and its applications to algorithms, complexity theory and cryptography. Chen has co-authored several academic articles, including “Unextendible Product Basis for Fermionic Systems,” “Symmetric Extension of Two-Qubit States,” and “Universal Entanglers for Bosonic and Fermionic Systems.” He has held postdoctoral fellow positions in the Department of Mathematics and Statistics at the University of Guelph and in the Institute for Quantum Computing at the University of Waterloo. Chen received his doctorate in computer science from Tsinghua University in 2010. After QuICS, he continued on to join the new Alibaba quantum group in Seattle.

Publications

2012

J. Chen and Winter, A., “Non-Additivity of the Entanglement of Purification (Beyond Reasonable Doubt) ”, 2012.
J. Chen, Ji, Z., Ruskai, M. Beth, Zeng, B., and Zhou, D. - L., “Comment on some results of Erdahl and the convex structure of reduced density matrices”, Journal of Mathematical Physics, vol. 53, no. 7, p. 072203, 2012.
J. Chen, Ji, Z., Klyachko, A., Kribs, D. W., and Zeng, B., “Rank Reduction for the Local Consistency Problem”, Journal of Mathematical Physics, vol. 53, no. 2, p. 022202, 2012.
J. Chen, Ji, Z., Kribs, D., Wei, Z., and Zeng, B., “Ground-State Spaces of Frustration-Free Hamiltonians”, Journal of Mathematical Physics, vol. 53, no. 10, p. 102201, 2012.

2011

J. Chen, Chen, X., Duan, R., Ji, Z., and Zeng, B., “No-go Theorem for One-way Quantum Computing on Naturally Occurring Two-level Systems ”, Physical Review A, vol. 83, no. 5, 2011.
J. Chen, Cubitt, T. S., Harrow, A. W., and Smith, G., “Entanglement can completely defeat quantum noise”, Physical Review Letters, vol. 107, no. 25, 2011.
T. S. Cubitt, Chen, J., and Harrow, A. W., “Superactivation of the Asymptotic Zero-Error Classical Capacity of a Quantum Channel”, IEEE Transactions on Information Theory, vol. 57, no. 12, pp. 8114 - 8126, 2011.

2010

J. Chen, Ji, Z., Ruskai, M. Beth, Zeng, B., and Zhou, D., “Principle of Maximum Entropy and Ground Spaces of Local Hamiltonians”, 2010.
C. Lu, Chen, J., and Duan, R., “Optimal Perfect Distinguishability between Unitaries and Quantum Operations ”, 2010.

2008

J. Chen and Ying, M., “Ancilla-Assisted Discrimination of Quantum Gates”, 2008.
J. Chen, Duan, R., Ji, Z., Ying, M., and Yu, J., “Existence of Universal Entangler”, Journal of Mathematical Physics, vol. 49, no. 1, p. 012103, 2008.

2007

Z. Ji, Chen, J., Wei, Z., and Ying, M., “The LU-LC conjecture is false”, 2007.