The scheme for realizing probabilistic teleportation of atomic states and purifying the quantum channel on cavity QED

Abstract In this Letter, we present a scheme for quantum teleportation and entanglement purification based on cavity QED if the two parties share a pair of atoms in a non-maximally entangled state. This scheme can be extended to the case of multi-atom entanglement purification.

[1]  E. Solano,et al.  Reliable teleportation in trapped ions , 1999 .

[2]  M. Feng,et al.  Implementation of quantum gates and preparation of entangled states in cavity QED with cold trapped ions , 2001, quant-ph/0112031.

[3]  Charles H. Bennett,et al.  Mixed-state entanglement and quantum error correction. , 1996, Physical review. A, Atomic, molecular, and optical physics.

[4]  Charles H. Bennett,et al.  Concentrating partial entanglement by local operations. , 1995, Physical review. A, Atomic, molecular, and optical physics.

[5]  Cirac,et al.  Schemes for atomic-state teleportation. , 1994, Physical review. A, Atomic, molecular, and optical physics.

[6]  K Banaszek,et al.  Generation of correlated photons in controlled spatial modes by downconversion in nonlinear waveguides. , 2001, Optics letters.

[7]  Charles H. Bennett,et al.  Quantum cryptography without Bell's theorem. , 1992, Physical review letters.

[8]  H. Weinfurter,et al.  Experimental quantum teleportation , 1997, Nature.

[9]  Charles H. Bennett,et al.  Teleporting an unknown quantum state via dual classical and Einstein-Podolsky-Rosen channels. , 1993, Physical review letters.

[10]  Guang-Can Guo,et al.  Teleportation of a two-particle entangled state via entanglement swapping , 2000 .

[11]  Guang-Can Guo,et al.  Probabilistic teleportation of two-particle entangled state , 2000 .

[12]  J. C. Retamal,et al.  Entanglement purification in cavity qed using local operations , 2002 .

[13]  Charles H. Bennett,et al.  Purification of noisy entanglement and faithful teleportation via noisy channels. , 1995, Physical review letters.

[14]  Davidovich,et al.  Teleportation of an atomic state between two cavities using nonlocal microwave fields. , 1994, Physical review. A, Atomic, molecular, and optical physics.

[15]  J. Raimond,et al.  Generation of Einstein-Podolsky-Rosen Pairs of Atoms , 1997 .

[16]  Guang-Can Guo,et al.  Probabilistic teleportation and entanglement matching , 2000 .

[17]  Lu Hong Probabilistic Teleportation of the Three-Particle Entangled State via Entanglement Swapping , 2001 .

[18]  M. B. Plenio,et al.  Cavity-loss-induced generation of entangled atoms , 1999 .

[19]  Guang-Can Guo,et al.  Teleportation of atomic states within cavities in thermal states , 2001 .

[20]  W. Munro,et al.  Maximizing the entanglement of two mixed qubits , 2001, quant-ph/0103113.

[21]  Girish S. Agarwal,et al.  Reconstruction of an entangled state in cavity QED , 1999 .

[22]  Albert Einstein,et al.  Can Quantum-Mechanical Description of Physical Reality Be Considered Complete? , 1935 .

[23]  Entanglement purification of gaussian continuous variable quantum states , 1999, QELS 2000.