Oh Choo Hiap
Emeritus Professor/ Honorary CQT Fellow
S15-04-19B

Preprints

  • F. Mei, Chuan-Jia Shan, Xun-Li Feng, Shi-Liang Zhu, Zhi-Ming Zhang, L.C. Kwek, D. Wilkowski, C.H. Oh. Creation, manipulation and detection of Majorana fermions with cold atoms in optical lattice.
  • 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, 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
  • Ji-Fang Li, Jin-Ming Liu, Xin-Li Feng, C.H. Oh. (2016). Deterministic remote two-qubit state preparation in dissipative environments. Quantum Information Processing 15 2155-2168
  • Kazuo Fujikawa, C.H. Oh, Koichiro Umetsu, S.X. Yu. (2016). Separability criteria with angular and Hilbert space averages. Ann. Phys. 368 248-257
  • Li Dong, Yan-Fang Lin, Jun-Xi Wang, Qing-Yang Li, Hong-Zhi Shen, Hai-Kuan Dong, Yuan-Peng Ren, Xiao-Ming Xiu, Ya-Jun Gao, C.H. Oh. (2016). Nearly deterministic Fredkin gate based on weak cross-Kerr nonlinearities. J. Opt. Soc. Am. B 33 253
  • Li Dong, Jun-Xi Wang, Qing-Yang Li, Hong-Zhi Shen, Hai-Kuan Dong, Xiao-Ming Xiu, Ya-Jun Gao, C.H. Oh. (2016). Nearly deterministic preparation of the perfect W state with weak cross-Kerr nonlinearities. Phys. Rev. A 93 012308
  • C.J. Zhang, S.X. Yu, Q. Chen, H D Yuan, C.H. Lai, 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 Trans. Inf. 61 7012-7016
  • Yang, Wan-li, An, Jun-Hong, Zhang, Cheng-jie, Chen, Chang-yong, C.H. Oh. (2015). Dynamics of quantum correlation between separated nitrogen-vacancy centers embedded in plasmonic waveguide. Scientific Reports 5 015513
  • Tian, Guojing, Yu, Sixia, Gao, Fei, Wen, Qiaoyan, C.H. Oh. (2015). Local discrimination of qudit lattice states via commutativity. Phys. Rev. A 92 042320
  • Chong Chen, Jun-Hong An, Hong-Gang Luo, C. P. Sun, C.H. Oh. (2015). Floquet control of quantum dissipation in spin chains. Phys. Rev. A 91 052122
  • 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
  • J. You, Xq.Shao, Q.J. Tong, A. H. Chan, C.H. Oh, V. Vedral. (2015). Majorana transport in superconducting nanowire with Rashba and Dresselhaus spin-orbit couplings. J. Phys.: Condens. Matter 27 225302
  • 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
  • Xq.Shao, J. You, T Y Zheng, C.H. Oh. (2014). Long range universal quantum computation in large-size coupled cavity array independent of cavity number. Laser Physics 11 105203
  • 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
  • J. You, W. Yang, Z Y Xu, A H Chan, C.H. Oh. (2014). Phase transition of light in circuit-QED lattices coupled to nitrogen-vacancy centers in diamond. Phys. Rev. B 90 195112
  • 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
  • C J Yang, J H An, H G Luo, Y Li, C.H. Oh. (2014). Canonical versus noncanonical equilibration dynamics of open quantum systems. Phys. Rev. E 90 022122
  • Kazuo Fujikawa, C.H. Oh, C.J. Zhang. (2014). Spin operator and entanglement in quantum field theory. Phys. Rev. D 90 025028
  • J. You, A. H. Chan, C.H. Oh, V. Vedral. (2014). Topological quantum phase transitions in the spin-singlet superconductor with Rashba and Dresselhaus (110) spin-orbit couplings. Ann. Phys. 349 189
  • Q.J. Tong, J. H. An, L.C. Kwek, H. G. Luo, C.H. Oh. (2014). Simulating Zeno physics by a quantum quench with superconducting circuits. Phys. Rev. A (R) 89 060101(R)
  • Xq.Shao, T. Y. Zheng, C.H. Oh, S. Zhang. (2014). One-step achievement of robust multipartite Greenberger�Horne�Zeilinger state and controlled-phase gate via Rydberg interaction. J. Opt. Soc. Am. B 31 827
  • Xq.Shao, J. You, T. Y. Zheng, C.H. Oh, S. Zhang. (2014). Stationary three-dimensional entanglement via dissipative Rydberg pumping. Phys. Rev. A 89 052313
  • Q. Chen, S.X. Yu, C.J. Zhang, C.H. Lai, C.H. Lai, C.H. Oh. (2014). Test of Genuine Multipartite Nonlocality without Inequalities. Phys. Rev. Lett. 112 140404
  • Y Y Chen, X.L. Feng, C.H. Oh. (2014). Quantum computation in the decoherence-free subspaces with cavity QED. Quantum Information Processing 13 547-557
  • Xq.Shao, T Y Zheng, X.L. Feng, C.H. Oh, S Zhang. (2014). One-step implementation of the genuine Fredkin gate in high-Q coupled three-cavity arrays. J. Opt. Soc. Am. B 31 697-703
  • H Z Shen, X. Yi, C.H. Oh. (2014). Dynamical signature of the edge state in the 1D Aubry�Andr� model. J. Phys. B: At. Mol. Opt. Phys. 47 085501
  • C.F. Wu, J. Chen, X. Ye, H. Su, D.L. Deng, Z H Wang, C.H. Oh. (2014). Test of Einstein-Podolsky-Rosen Steering Based on the All-Versus-Nothing Proof. Scientific Reports 4 4291
  • Kazuo Fujikawa, C.H. Oh, C.J. Zhang. (2014). Linearity of quantum probability measure and Hardy. Int. J. Mod. Phys. B 29 1450017
  • Xq.Shao, T Y Zheng, C.H. Oh, S Zhang. (2014). Dissipative creation of three-dimensional entangled state in optical cavity via spontaneous emission. Phys. Rev. A 89 012319
  • X.L. Feng, Y Xu, C.H. Oh. (2014). Cavity quantum electrodynamics with rapidly vibrating atom. Laser Physics Letters 11 025204
  • 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
  • H. Su, J. Chen, C.F. Wu, D.L. Deng, C.H. Oh. (2013). Testing Leggett\'s Inequality Using Aharonov-Casher Effect. Scientific Reports 3 2492
  • Q. Zhang, J B Gong, C.H. Oh. (2013). Synthetic Spin-Orbit Coupling in Two-Level Cold Atoms. Ch. Phys. Lett. 30 080301
  • X. Yi, X Y Zhang, C.H. Oh. (2013). Effect of complex inter-site couplings on the excitation energy transfer in the FMO complex. Eur. Phys. J. D 67 172
  • Y Q Lü, J H An, X M Chen, H G Luo, C.H. Oh. (2013). Frozen Gaussian quantum discord in photonic crystal cavity array system. Phys. Rev. A 88 012129
  • H. Su, J. Chen, C.F. Wu, D.L. Deng, C.H. Oh. (2013). Detecting Einstein-Podolsky-Rosen Steering for Continuous Variable Wavefunctions. Int. J. Quant. Info. 11 1350019
  • J. Chen, X. Ye, C.F. Wu, H. Su, A Cabello, L.C. Kwek, C.H. Oh. (2013). All-Versus-Nothing Proof of Einstein-Podolsky-Rosen Steering. Scientific Reports 3 2143
  • H B Liu, J H An, C Chen, Q.J. Tong, H G Luo, C.H. Oh. (2013). Anomalous decoherence in a dissipative two-level system. Phys. Rev. A 87 052139
  • Q.J. Tong, J H An, J B Gong, H G Luo, C.H. Oh. (2013). Generating many Majorana modes via periodic driving: A superconductor model. Phys. Rev. B 87 201109(R)
  • X. Lu, Zhe Sun, Xiaoguang Wang, Shunlong Luo, C.H. Oh. (2013). Broadcasting quantum Fisher information. Phys. Rev. A (R) 87 050302
  • S.X. Yu, J Bierbrauer, Y Dong, Q. Chen, C.H. Oh. (2013). All the stabilizer codes of distance 3. IEEE Trans. Inf. 59 5179-5185
  • Q. Zhang, J B Gong, C.H. Oh. (2013). Intrinsic dynamical fluctuation assisted symmetry breaking in adiabatic following. Phys. Rev. Lett. 110 130402
  • W. Tang, S.X. Yu, C.H. Oh. (2013). Greenberger-Horne-Zeilinger paradoxes from qudit graph states. Phys. Rev. Lett. 110 100403
  • J. You, C.H. Oh, V. Vedral. (2013). Majorana fermions in s-wave noncentrosymmetric superconductor with Dresselhaus (110) spin-orbit coupling. Phys. Rev. B 87 054501
  • W. Yang, J H An, C.J. Zhang, M Feng, C.H. Oh. (2013). Preservation of quantum correlation between separated nitrogen-vacancy centers embedded in photonic crystal cavities. Phys. Rev. A 87 022312
  • J. Chen, H. Su, C.F. Wu, D.L. Deng, A Cabello, L.C. Kwek, C.H. Oh. (2013). Quantum contextuality for a relativistic spin-1/2 particle. Phys. Rev. A 87 022109
  • 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. Lai, C.H. Oh. (2012). All Entangled Pure States Violate a Single Bell\'s Inequality. Phys. Rev. Lett. 109 120402
  • Y Y Chen, X.L. Feng, C.H. Oh. (2012). Geometric entangling gates for coupled cavity system in decoherence-free subspaces. Optics Comm. 285 5554
  • X. Lu, S L Luo, C.H. Oh. (2012). Hierarchy of measurement-induced Fisher information for composite states. Phys. Rev. A 86 022342
  • 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
  • W. Yang, Z Q Yin, Z X Chen, S P Kou, M Feng, C.H. Oh. (2012). Quantum simulation of an artificial Abelian gauge field using nitrogen-vacancy-center ensembles coupled to superconducting resonators. Phys. Rev. A 86 012307
  • H Guo, J M Liu, C.J. Zhang, C.H. Oh. (2012). Quantum discord of a three-qubit W-class state in noisy environments. Quantum Information and Computation 12 0677
  • B Cui, X. Yi, C.H. Oh. (2012). Excitation energy transfer in light-harvesting systems: effect of the initial state. J. Phys. B: At. Mol. Opt. Phys. 45 085501
  • H. Sun, S L Fan, X.L. Feng, C.F. Wu, S Q Gong, G X Huang, C.H. Oh. (2012). Strongly interacting photons in asymmetric quantum well via resonant tunneling. Optics Express 20 8485
  • S L Luo, S S Fu, C.H. Oh. (2012). Quantifying correlations via the Wigner-Yanase skew information. Phys. Rev. A 85 032117
  • W Fan, Y Xu, B Chen, Z Y Chen, X.L. Feng, C.H. Oh. (2012). Quantum phase transition of two-mode Bose-Einstein condensates with an entanglement order parameter. Phys. Rev. A 85 013645
  • F. Mei, S L Zhu, Z M Zhang, C.H. Oh, N Goldman. (2012). Simulating Z2 topological insulators with cold atoms in a one-dimensional optical lattice. Phys. Rev. A 85 013638
  • S.X. Yu, C.H. Oh. (2012). State-Independent Proof of Kochen-Specker Theorem with 13 Rays. Phys. Rev. Lett. 108 030402
  • Q. Zhang, J B Gong, C.H. Oh. (2012). Dynamical fluctuations in classical adiabatic processes: General description and their implications. Ann. Phys. 327 1202-1213
  • Q.J. Tong, J H An, H G Luo, C.H. Oh. (2011). Quantum phase transition in the delocalized regime of the spin-boson model. Phys. Rev. B 84 174301
  • 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
  • W. Yang, Z Q Yin, Z Y Xu, M Feng, C.H. Oh. (2011). Quantum dynamics and quantum state transfer between separated nitrogen-vacancy centers embedded in photonic crystal cavities. Phys. Rev. A 84 043849
  • 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
  • X. Yi, S L Wu, C.F. Wu, X.L. Feng, C.H. Oh. (2011). Time-delay effects and simplified control fields in quantum Lyapunov control. J. Phys. B: At. Mol. Opt. Phys. 44 195503
  • X. Yi, B Cui, C.F. Wu, C.H. Oh. (2011). Effects of uncertainties and errors on a Lyapunov control. J. Phys. B: At. Mol. Opt. Phys. 44 165503
  • 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
  • Q.J. Tong, J H An, H G Luo, C.H. Oh. (2011). Entanglement distribution over the subsystems and its invariance. Quantum Information and Computation 11 0874
  • Q. Zhang, J B Gong, C.H. Oh. (2011). Converting zitterbewegung oscillation to directed motion. Europhys. Lett. 96 10004
  • F. Mei, S L Zhu, X.L. Feng, Z M Zhang, C.H. Oh. (2011). Probing half-odd topological number with cold atoms in a non-Abelian optical lattice. Phys. Rev. A 84 023622
  • 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
  • J. Huang, C.H. Oh, L F Wei. (2011). Testing tripartite Mermin inequalities by spectral joint measurements of qubits. Phys. Rev. A 83 062108
  • J. Chen, D.L. Deng, H. Su, C.F. Wu, C.H. Oh. (2011). Detecting full N-particle entanglement in arbitrarily-high-dimensional systems with Bell-type inequalities. Phys. Rev. A 83 022316
  • J. Huang, L F Wei, C.H. Oh. (2011). High ef?ciency tomographic reconstruction of quantum states by quantum nondemolition measurements. Phys. Rev. A 83 032110
  • X. Hu, C.H. Oh. (2011). Transparency or spectral narrowing for two-mode squeezing and entanglement. Phys. Rev. A 83 053842
  • X.L. Zhang, X.L. Feng, C.F. Wu, C.H. Oh. (2010). Geometric phase gate with trapped ions in thermal motion by adiabatic passage. Eur. Phys. J. D 60 411-415
  • Q.J. Tong, J.H. An, H.G. Luo, C.H. Oh. (2010). Mechanism of entanglement preservation. Phys. Rev. A 81 052330
  • Z.H. Wei, Y.-J. Han, C.H. Oh, L.-M. Duan. (2010). Improving noise threshold for optical quantum computing with the EPR photon source. Phys. Rev. A 81 060301
  • 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
  • Q. Zhang, J.B. Gong, C.H. Oh. (2010). Control of tripod-scheme cold-atom wavepackets by manipulating a non-Abelian vector potential. Ann. Phys. 325 1219-1234
  • Q.J. Tong, J.H. An, H.G. Luo, C.H. Oh. (2010). Decoherence suppression of a dissipative qubit by the non-Markovian effect. J. Phys. B: At. Mol. Opt. Phys. 43 155501
  • D.L. Deng, C.F. Wu, J.L. Chen, C.H. Oh. (2010). Fault-Tolerant Greenberger-Horne-Zeilinger Paradox Based on Non-Abelian Anyons. Phys. Rev. Lett. 105 060402
  • S.J. Xiong, Y. Xiong, C.H. Oh. (2010). Entangling gates for local spin qubits by using electric current. Phys. Rev. A 82 032309
  • , J.H. An, C.H. Oh. (2010). Non-Markovian effects on quantum-communication protocols. Phys. Rev. A 82 032340
  • C.L. Ho, A.I. Solomon, C.H. Oh. (2010). Quantum entanglement, unitary braid representation and Temperley-Lieb algebra. Europhys. Lett. 92 30002
  • F. Mei, Y.F. Yu, X.L. Feng, Z.M. Zhang, C.H. Oh. (2010). Quantum entanglement distribution with hybrid parity gate. Phys. Rev. A 82 052315
  • J. Shen, X.L. Huang, X. Yi, C.F. Wu, C.H. Oh. (2010). Dynamics of quantum-classical hybrid systems: Effect of matter-wave pressure. Phys. Rev. A 82 062107
  • J.J. Chen, J.H. An, Q.J. Tong, H.G. Luo, C.H. Oh. (2010). Non-Markovian effect on the geometric phase of a dissipative qubit. Phys. Rev. A 81 022120
  • Q. Zhang, J.B. Gong, C.H. Oh. (2010). Driven Dirac-like equation via mirror oscillation: Controlled cold-atom Zitterbewegung. Phys. Rev. A 81 023608
  • J.M. Liu, X.L. Feng, C.H. Oh. (2009). Remote preparation of a three-particle state via positive operator-valued measurement. J. Phys. B: At. Mol. Opt. Phys. 42 055508
  • J.H. An, W.M. Zhang, C.H. Oh. (2009). Entanglement oscillation and survival induced by non-Markovian decoherence dynamics of the entangled squeezed state. J. Phys. A: Math. Theor. 42 015302
  • X.L. Zhang, X.L. Feng, C.F. Wu, C.H. Oh. (2009). Nongeometric multiqubit conditional phase gates by adiabatic evolution for trapped ions. Phys. Rev. A 79 034301
  • X.J. Liu, X. Liu, L.C. Kwek, C.H. Oh. (2009). Fractional spin Hall effect in atomic Bose gases. Phys. Rev. B 79 165301
  • Q. Zhang, J.B. Gong, C.H. Oh. (2009). All-optical imprinting of geometric phases onto matter waves. Phys. Rev. A 79 043632
  • J.H. An, M. Feng, C.H. Oh. (2009). Quantum-information processing with a single photon by an input-output process with respect to low-Q cavities. Phys. Rev. A 79 032303
  • H. Sun, X.L. Feng, S.Q. Gong, C.H. Oh. (2009). Giant cross-Kerr nonlinearity in carbon nanotube quantum dots with spin-orbit coupling. Phys. Rev. B 79 193404
  • J.H. An, C.H. Oh. (2009). Exact decoherence dynamics of a single-mode optical field. Ann. Phys. 324 1737-1746
  • J.M. Liu, X.L. Feng, C.H. Oh. (2009). Remote preparation of arbitrary two- and three-qubit states. Europhys. Lett. 87 30006
  • X. Yi, X.L. Huang, C.F. Wu, C.H. Oh. (2009). Driving quantum systems into decoherence-free subspaces by Lyapunov control. Phys. Rev. A 80 052316
  • J. Qian, Y. Qian, M. Ke, X.L. Feng, C.H. Oh, Y.Z. Wang. (2009). Breakdown of the dipole blockade with a zero-area phase-jump pulse. Phys. Rev. A 80 053413
  • H. Sun, X.L. Feng, C.F. Wu, J.M. Liu, S. Q. Gong, C.H. Oh. (2009). Optical rotation of heavy hole spins by non-Abelian geometrical means. Phys. Rev. B 80 235404
  • X.L. Feng, C.F. Wu, H. Sun, C.H. Oh. (2009). Geometric Entangling Gates in Decoherence-Free Subspaces with Minimal Requirements. Phys. Rev. Lett. 103 200501
  • X. J. Liu, L. Liu, L.C. Kwek, C.H. Oh. (2008). Manipulating atomic states via optical orbital angular-momentum. Front. Phys. China 3 113-125
  • X.J. Liu, L.C. Kwek, C.H. Oh. (2008). Quantum spin current induced through optical dipole transition process in semiconductors. Int. J. Mod. Phys. B 22 44-56
  • J.J. Song, B.A. Foreman, X.J. Liu, C.H. Oh. (2008). Wave function engineering and circulating spin current in trapped Bose-Einstein condensates. Europhys. Lett. 84 20012
  • Z.S. Wang, C.F. Wu, X.L. Feng, L.C. Kwek, C.H. Lai, C.H. Oh, V. Vedral. (2008). Geometric phase induced by quantum nonlocality. Phys. Lett. A 372 775-778
  • D.M. Tong, X. Yi, X.J. Fan, L.C. Kwek, C.H. Oh. (2008). Examination of the adiabatic approximation in open systems. Phys. Lett. A 372 2364
  • J.L. Chen, C.F. Wu, L.C. Kwek, C.H. Oh. (2008). Bell inequalities for three particles. Phys. Rev. A 78 032107
  • S.X. Yu, Q. Chen, C.H. Lai, C.H. Lai, C.H. Oh. (2008). Nonadditive quantum error-correcting code. Phys. Rev. Lett. 101 090501
  • X.L. Feng, J. Qian, L.C. Kwek, C.H. Oh. (2008). Repeat-until-success distributed quantum computation by using single-photon interference at a beam splitter. Phys. Rev. A 78 012354
  • C.F. Wu, J.L. Chen, L.C. Kwek, C.H. Oh. (2008). Correlation-function Bell inequality with improved visibility for three qubits. Phys. Rev. A 77 062309
  • X.L. Feng, C.F. Wu, C.H. Lai, C.H. Lai, C.H. Oh. (2008). Universal quantum computation with trapped ions in thermal motion by adiabatic passage. Phys. Rev. A 77 062336
  • 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
  • X.L. Huang, X. Yi, C.F. Wu, X.L. Feng, S.X. Yu, C.H. Oh. (2008). Effective Hamiltonian approach to open systems and its applications. Phys. Rev. A 78 062114
  • C.F. Wu, X.L. Feng, X. Yi, I.M. Chen, C.H. Oh. (2008). Quantum gate operations in the decoherence-free subspace of superconducting quantum-interference devices. Phys. Rev. A 78 062321
  • D.M. Tong, K. Singh, L.C. Kwek, C.H. Oh. (2007). Sufficiency Criterion for the Validity of the Adiabatic Approximation. Phys. Rev. Lett. 150402
  • C.F. Wu, L.C. Kwek, C.H. Oh. (2007). Quantum nonlocality of four-qubit entangled states. Phys. Rev. A 75 032332
  • X. Yi, D.M. Tong, L.C. Kwek, C.H. Oh. (2007). Adiabatic approximation in open systems: an alternative approach . J. Phys. B: At. Mol. Opt. Phys. 40 281-291
  • Z.S. Wang, C.F. Wu, X.L. Feng, L.C. Kwek, C.H. Lai, C.H. Oh. (2007). Effects of a squeezed-vacuum reservoir on geometric phase. Phys. Rev. A 75 024102
  • X.L. Feng, Z.S. Wang, C.F. Wu, L.C. Kwek, C.H. Lai, C.H. Oh. (2007). Scheme for unconventional geometric quantum computation in cavity QED. Phys. Rev. A 75 052312
  • C.F. Wu, Z.S. Wang, X.L. Feng, H.S. Goan, L.C. Kwek, C.H. Oh. (2007). Unconventional geometric quantum computation in a two-mode cavity. Phys. Rev. A 76 024302
  • Z.S. Wang, C.F. Wu, X.L. Feng, L.C. Kwek, C.H. Lai, C.H. Oh, V. Vedral. (2007). Nonadiabatic geometric quantum computation. Phys. Rev. A 76 044303
  • C.F. Wu, J. L. Chen, L.C. Kwek, C.H. Oh. (2006). Quantum nonlocality of N-qubit W state. Phys. Rev. A 73 012310
  • J. L. Chen, C.F. Wu, L.C. Kwek, C.H. Oh, M. L. Ge. (2006). Violating Bell inequalities maximally for two d-dimensional systems. Phys. Rev. A 74 032106
  • X. Yi, D.M. Tong, L.C. Wang, L.C. Kwek, C.H. Oh. (2006). Geometric phase in open systems: Beyond the Markov approximation and weak-coupling limit . Phys. Rev. A 73 052103
  • D.M. Tong, K. Singh, L.C. Kwek, C.H. Oh. (2005). Quantitative conditions do not guarantee the validity of the adiabatic approximation. Phys. Rev. Lett. 110407
  • C.F. Wu, J. L. Chen, L.C. Kwek, C.H. Oh, K. Xue. (2005). Continuous multipartite entangled state in the Wigner representation and violation of Zukowski-Brunker inequality. Phys. Rev. A 71 022110
  • J. L. Chen, C.F. Wu, L.C. Kwek, D. Kaszlikowski, M. Zukowski, C.H. Oh. (2005). Multi-component Bell inequality and its violation for continuous-variable systems. Phys. Rev. A 71 032107
  • D.M. Tong, L.C. Kwek, C.H. Oh, J L Chen, L Ma. (2004). Operator-sum representation of time-dependent density operators . Phys. Rev. A 054102
  • D.M. Tong, E. Sjoqvist, S. Filipp, L.C. Kwek, C.H. Oh. (2004). Kinematic approach to off-diagonal geometric phases of nondegenerate and degenerate mixed . Phys. Rev. Lett. 080405
  • D. Gosal, D. Kaszlikowski, L.C. Kwek, M. Zukowski, C.H. Oh. (2004). Asymmetric multipartite Greenberger-Horne-Zeilinger states and Bell inequalities. Phys. Rev. A 70 042106
  • C.F. Wu, J. L. Chen, D.M. Tong, L.C. Kwek, C.H. Oh. (2004). Quantum nonlocality of Heisenberg XX model with site-dependent coupling strength. J. Phys. A: Math. Gen. 37 11475
  • J. L. Chen, C.F. Wu, L.C. Kwek, C.H. Oh. (2004). Gisin\'s theorem for three qubits. Phys. Rev. Lett. 93 140407
  • D.M. Tong, E. Sjoqvist, L.C. Kwek, C.H. Oh, M. Ericsson. (2003). Relation between the geometric phases of the entangled biparticle system and their subsystems. Phys. Rev. A 022106
  • D.M. Tong, J L Chen, L.C. Kwek, C.H. Lai, C.H. Lai, C.H. Oh. (2003). General formalism of Hamiltonians for realizing a prescribed evolution of a qubit . Phys. Rev. A 062307

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