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Publications

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2018
Z. Ji, Liu, Y. - K., and Song, F., “Pseudorandom States, Non-Cloning Theorems and Quantum Money”, In: Shacham H., Boldyreva A. (eds) Advances in Cryptology – CRYPTO 2018. CRYPTO 2018. Lecture Notes in Computer Science., vol. 10993, 2018.
2017
T. Xin, Lu, D., Klassen, J., Yu, N., Ji, Z., Chen, J., Ma, X., Long, G., Zeng, B., and Laflamme, R., “Quantum state tomography via reduced density matrices”, Physical Review Letters, vol. 118, p. 020401, 2017.
2016
J. Chen, Guo, C., Ji, Z., Poon, Y. - T., Yu, N., Zeng, B., and Zhou, J., “Joint product numerical range and geometry of reduced density matrices”, 2016.
D. Lu, Xin, T., Yu, N., Ji, Z., Chen, J., Long, G., Baugh, J., Peng, X., Zeng, B., and Laflamme, R., “Tomography is necessary for universal entanglement detection with single-copy observables”, Physical Review Letters, vol. 116, no. 23, p. 230501, 2016.
X. Ma, Jackson, T., Zhou, H., Chen, J., Lu, D., Mazurek, M. D., Fisher, K. A. G., Peng, X., Kribs, D., Resch, K. J., Ji, Z., Zeng, B., and Laflamme, R., “Pure-state tomography with the expectation value of Pauli operators”, Physical Review A, vol. 93, no. 3, p. 032140, 2016.
J. Chen, Ji, Z., Yu, N., and Zeng, B., “Detecting Consistency of Overlapping Quantum Marginals by Separability”, Physical Review A, vol. 93, no. 3, p. 032105, 2016.
2015
J. Chen, Ji, Z., Li, C. - K., Poon, Y. - T., Shen, Y., Yu, N., Zeng, B., and Zhou, D., “Discontinuity of Maximum Entropy Inference and Quantum Phase Transitions”, New Journal of Physics, vol. 17, no. 8, p. 083019, 2015.
2014
J. Chen, Ji, Z., Kribs, D., Lütkenhaus, N., and Zeng, B., “Symmetric Extension of Two-Qubit States”, Physical Review A, vol. 90, no. 3, 2014.
2013
J. Chen, Dawkins, H., Ji, Z., Johnston, N., Kribs, D., Shultz, F., and Zeng, B., “Uniqueness of Quantum States Compatible with Given Measurement Results”, Physical Review A, vol. 88, no. 1, 2013.
S. Beigi, Chen, J., Grassl, M., Ji, Z., Wang, Q., and Zeng, B., “Symmetries of Codeword Stabilized Quantum Codes”, 8th Conference on the Theory of Quantum Computation, Communication and Cryptography (TQC 2013), vol. 22, pp. 192-206, 2013.
2012
J. Chen, Ji, Z., Zeng, B., and Zhou, D. L., “From Ground States to Local Hamiltonians”, Physical Review A, vol. 86, no. 2, 2012.
J. Chen, Ji, Z., Wei, Z., and Zeng, B., “Correlations in excited states of local Hamiltonians”, Physical Review A, vol. 85, no. 4, 2012.
J. Chen, Ji, Z., Kribs, D. W., and Zeng, B., “Minimum Entangling Power is Close to Its Maximum”, 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.
2010
J. Chen, Ji, Z., Ruskai, M. Beth, Zeng, B., and Zhou, D., “Principle of Maximum Entropy and Ground Spaces of Local Hamiltonians”, 2010.
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.