Phys. Rev. Lett. 74, 4087–4090 (1995)Realizable Universal Quantum Logic GatesReceived 31 October 1994; published in the issue dated 15 May 1995 We identify a 2-bit quantum gate that is sufficient to build any quantum logic network. The existence of such a 2-bit universal gate considerably simplifies the search for physical realizations of quantum computational networks. We propose an explicit construction of this gate, which is based on cavity QED techniques and may be realizable with current technology. © 1995 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.74.4087
DOI:
10.1103/PhysRevLett.74.4087
PACS:
89.70.+c, 03.65.Bz, 32.80.-t, 42.50.Dv
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