One step for generation of W-class states via superconducting quantum interference devices

Zhi-yong DING; Juan HE; Tao WU

[1] Einstein A, Podolsky B, Rosen N. Can quantumn-mechanical description of physical reality be considered complete [J]. Phys. Rev., 1935, 47: 777-780.

[2] Bell J S. On Einstein-Podolsky-Rosen paradox [J]. Physics, 1964, 1: 195.

[3] Bennett C H, Brassard G, Crepeau C, et al. Teleporting an unknown quantum state via dual classical and Einstein-Podolsky-Rosen channels [J]. Phys. Rev. Lett., 1993, 70: 1895-1899.

[4] Ekert A K. Quantum cryptography based on Bell’s theorem [J]. Phys. Rev. Lett., 1991, 67: 661-663.

[5] Bennett C H, et al. Communication via one-and two-particle operators on Einstein-Podolsky-Rosen states [J]. Phys. Rev. Lett., 1992, 69: 2881-2884.

[8] Karlsson A, Bourennane M. Quantum teleportation using three-particle entanglement [J]. Phys. Rev. A, 1998, 58: 4394-4400.

[9] Dür W, Vidal G, Cirac J I. Three qubits can be entangled in two inequivalent ways [J]. Phys. Rev. A, 2000, 62: 062314.

[10] Guo G C, Zhang Y S. Scheme for preparation of the W state via cavity quantum electrodynamics [J]. Phys. Rev. A, 2002, 65: 054302.

[11] Gorbachev V N, et al. Can the states of the W-class be suitable for teleportation [J]. Phys. Lett. A, 2003, 314: 267-271.

[12] Deng Z J, Feng M, Gao K L. Simple scheme for generation an n-qubit W state in cavity QED [J]. Phys. Rev. A, 2006, 73: 014302.

[13] Shi B S, Tomita A. Teleportation of an unknown state by W state [J]. Phys. Lett. A, 2002, 296: 161-164.

[14] Agrawal P, Pati A. Perfect teleportation and superdense coding with W states [J]. Phys. Rev. A, 2006, 74: 062320.

[15] Cabrillo C, Cirac J I, Fernandez P G, et al. Creation of entangled states of distant atoms by interference [J]. Phys. Rev. A, 1999, 59: 1025.

[16] Gershenfield N A, Chuang I L. Bluk spin-resonance quantum computation [J]. Science, 1997, 275: 350.

[17] Guo G P, Li C F, Li J, et al. Scheme for the preparation of multiparticle entanglement in cavity QED [J]. Phys. Rev. A, 2002, 65: 042102.

[18] Yang C P, Chu S I, Han Siyuan. Quantum information transfer with SQUID qubits in cavity QED: a dark-state scheme with tolerance for nonuniform device parameter [J]. Phys. Rev. Lett., 2004, 92: 117902.

[19] Kis Z, Paspalakis E. Arbitrary rotation and entanglement of flux SQUID qubits [J]. Phys. Rev. B, 2004, 69: 024510.

[20] Wang X B, Keiji M. Nonadiabatic detection of the geometric phase of the macroscopic quantum state with a symmetric SQUID [J]. Phys. Rev. B, 2002, 65: 172508.

[21] Blais A, Zagoskin A M. Operation of universal gates in a solid-state quantum computer based on clean Josephson junctions between d-wave superconductors [J]. Phys. Rev. A, 2000, 61: 042308.

[22] Yu Y, Han S, et al. Coherent temporal oscillations of macroscopic quantum states in a Josephson junction [J]. Science, 2002, 296: 889.

[23] Chiorescu I, Nakamura Y, et al. Coherent quantum dynamics of a superconducting flux qubit [J]. Science, 2003, 299: 1869.

[24] Han S, Rouse R, Lukens J E. Generation of a population inversion between quantum states of a macroscopic variable [J]. Phys. Rev. Lett., 1996, 76: 3404-3407.

[25] Chen C Y, Feng M, Gao K L. Toffoli gate originating from a single resonant interaction with cavity QED [J]. Phys. Rev. A, 2006, 73: 064304.

[26] Zhou Z, Chu S-I, Han S. Quantum computing with superconducting devices: a three-level SQUID qubit [J]. Phys. Rev. B, 2002, 66: 054527.

[27] Brune M, Hagley E, Dreyer J, et al. Observing the progressive decoherence of the “Meter” in a quantum measurement [J]. Phys. Rev. Lett., 1996, 77: 4887.