Phys. Rev. Lett. 85, 2392–2395 (2000)

Efficient Scheme for Two-Atom Entanglement and Quantum Information Processing in Cavity QED

Abstract

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Shi-Biao Zheng^1,2,* and Guang-Can Guo^1,†
¹Laboratory of Quantum Communication and Quantum Computation and Department of Physics, University of Science and Technology of China, Hefei 230026, People's Republic of China
²Department of Electronic Science and Applied Physics, Fuzhou University, Fuzhou 350002, People's Republic of China

Received 13 March 2000; published in the issue dated 11 September 2000

A scheme is proposed for the generation of two-atom maximally entangled states and realization of quantum logic gates and teleportation with cavity QED. The scheme does not require the transfer of quantum information between the atoms and cavity. In the scheme the cavity is only virtually excited and thus the requirement on the quality factor of the cavities is greatly loosened.

URL:

http://link.aps.org/doi/10.1103/PhysRevLett.85.2392

DOI:

10.1103/PhysRevLett.85.2392

PACS:

03.67.Lx, 03.65.Bz, 42.50.Dv

^*Electronic address: sbzheng@pub5.fz.fj.cn

^†Electronic address: gcguo@ustc.edu.cn

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Phys. Rev. Lett. 85, 2392–2395 (2000)

Efficient Scheme for Two-Atom Entanglement and Quantum Information Processing in Cavity QED