Yu Sixia
Visiting Senior Research Fellow
S15-04-19C
cqtys@nus.edu.sg
65162955
Exploratory Initiatives

Preprints

  • X. Lu, S.X. Yu, C.H. Oh. Robust Quantum Metrological Schemes .
  • X. Lu, S.X. Yu, K. Fujikawa, C.H. Oh. Improved Error-Tradeoff and Error-Disturbance Relations .
  • S.X. Yu. Bell\'s inequality and extremal nonlocal box from Hardy\'s test for nonlocality.
  • S.X. Yu, C.H. Oh. Optimal joint measurement of two observables of a qubit .
  • S.X. Yu, C.H. Oh. Quantum contextuality and joint measurement of three observables of a qubit .

Publications

  • Xin-Wen Wang, S.X. Yu, Deng-Yu Zhang, C.H. Oh. (2016). Effect of weak measurement on entanglement distribution over noisy channels. Scientific Reports 6 22408
  • Kazuo Fujikawa, C.H. Oh, Koichiro Umetsu, S.X. Yu. (2016). Separability criteria with angular and Hilbert space averages. Ann. Phys. 368 248-257
  • C.J. Zhang, S.X. Yu, Q. Chen, H D Yuan, C.H. Lai, C.H. Oh. (2015). Complete condition for nonzero quantum correlation in continuous variable systems. New J. Phys. 17 09307
  • S.X. Yu, Q. Chen, C.H. Oh. (2015). Two infinite families of nonadditive quantum error-correcting codes. IEEE Transactions on Information Theory 61 7012-7016
  • Guojing Tian, S.X. Yu, Fei Gao, Qiaoyan Wen, C.H. Oh. (2015). Local discrimination of four or more maximally entangled states. Phys. Rev. A 91 052314
  • X. Lu, S.X. Yu, C.H. Oh. (2015). Robust quantum metrological schemes based on protection of quantum Fisher information. Nature Communications 6 7282
  • Kazuo Fujikawa, C.H. Oh, S.X. Yu. (2015). Hardy’s paradox and measurement-disturbance relations. Phys. Rev. A 91 012105
  • S.X. Yu. (2014). Bell?s inequality and extremal non-local box from Hardy?s test for non-locality. J. Phys. A: Math. Theor. 47 424023
  • Z. Wang, S.X. Yu, H Fan, C.H. Oh. (2014). Quantum error correction assisted by two-way noisy communication. Nature Scientific Reports 4 7203
  • X. Lu, S.X. Yu, Kazuo Fujikawa, C.H. Oh. (2014). Improved error-tradeoff and error-disturbance relations in terms of measurement error components. Phys. Rev. A 90 042113
  • Q. Chen, S.X. Yu, C.J. Zhang, C.H. Lai, C.H. Oh. (2014). Test of Genuine Multipartite Nonlocality without Inequalities. Phys. Rev. Lett. 112 140404
  • S J Wu, Z H Ma, Z H Chen, S.X. Yu. (2014). Reveal quantum correlation in complementary bases. Scientific Reports 4 4036
  • C.J. Zhang, S.X. Yu, Q. Chen, C.H. Oh. (2013). Detecting and Estimating Continuous-Variable Entanglement by Local Orthogonal Observables. Phys. Rev. Lett. 111 190501
  • Z. Wang, S.X. Yu, Heng Fan, C.H. Oh. (2013). Quantum Error-Correcting Codes over Mixed Alphabets. Phys. Rev. A 88 022328
  • S.X. Yu, J Bierbrauer, Y Dong, Q. Chen, C.H. Oh. (2013). All the stabilizer codes of distance 3. IEEE Transactions on Information Theory 59 5179-5185
  • W. Tang, S.X. Yu, C.H. Oh. (2013). Greenberger-Horne-Zeilinger paradoxes from qudit graph states. Phys. Rev. Lett. 110 100403
  • D.L. Deng, C.F. Wu, J. Chen, S J Gu, S.X. Yu, C.H. Oh. (2012). Bell nonlocality in conventional and topological quantum phase transitions. Phys. Rev. A 86 032305
  • S.X. Yu, Q. Chen, C.J. Zhang, C.H. Lai, C.H. Oh. (2012). All Entangled Pure States Violate a Single Bell\'s Inequality. Phys. Rev. Lett. 109 120402
  • S C Hou, X. Yi, S.X. Yu, C.H. Oh. (2012). Singularity of dynamical maps. Phys. Rev. A 86 012101
  • H. Su, J. Chen, C.F. Wu, S.X. Yu, C.H. Oh. (2012). Quantum contextuality in a one-dimensional quantum harmonic oscillator. Phys. Rev. A 85 052126
  • S.X. Yu, C.H. Oh. (2012). State-Independent Proof of Kochen-Specker Theorem with 13 Rays. Phys. Rev. Lett. 108 030402
  • C.J. Zhang, S.X. Yu, Q. Chen, C.H. Oh. (2011). Observable estimation of entanglement of formation and quantum discord for bipartite mixed quantum states. Phys. Rev. A 84 052112
  • C.J. Zhang, S.X. Yu, Q. Chen, C.H. Oh. (2011). Detecting the quantum discord of an unknown state by a single observable. Phys. Rev. A 84 032122
  • Q. Chen, C.J. Zhang, S.X. Yu, X. Yi, C.H. Oh. (2011). Quantum discord of two-qubit X-states . Phys. Rev. A 84 042313
  • , S C Hou, X. Yi, S.X. Yu, C.H. Oh. (2011). Alternative non-Markovianity measure by divisibility of dynamical maps. Phys. Rev. A 83 062115
  • Y. Dong, D. Hu, S.X. Yu. (2010). Breeding quantum error-correcting codes. Phys. Rev. A 81 022322
  • S.X. Yu, N. Liu, L. Li, C.H. Oh. (2010). Joint measurement of two unsharp observables of a qubit. Phys. Rev. A 81 062116
  • , S. Wu, S.X. Yu, K. Mølmer. (2009). Entropic uncertainty relation for mutually unbiased bases. Phys. Rev. A 79 022104
  • S. Wu, S.X. Yu, K. Mølmer. (2009). Complementarity of information sent via different bases. Phys. Rev. A 79 022320
  • Y. Dong, X.H. Deng, M.M. jiang, Q. Chen, S.X. Yu. (2009). Entanglement-enhanced quantum error-correcting codes. Phys. Rev. A 79 042342
  • S.X. Yu, Q. Chen, C.H. Lai, C.H. Oh. (2008). Nonadditive quantum error-correcting code. Phys. Rev. Lett. 101 090501
  • , D. Hu, W. Tang, M. Zhao, Q. Chen, S.X. Yu, C.H. Oh. (2008). Graphical nonbinary quantum error-correcting codes. Phys. Rev. A 78 012306