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- <H1>Quantum Physics, abstract<BR>
- quant-ph/9503017</H1>
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- From: Adriano Barenco <<A HREF="mailto:a.barenco1@physics.oxford.ac.uk">a.barenco1@physics.oxford.ac.uk</A>>
- Date: Fri, 24 Mar 1995 19:08:17 +0000 (GMT)
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- <H2> Conditional Quantum Dynamics and Logic Gates</H2>
- <P>
- <B>Author(s):</B> <A HREF="/find/quant-ph/1/A.+Barenco/0/1/0/all/1/1">A. Barenco</A>, <A HREF="/find/quant-ph/1/D.+Deutsch/0/1/0/all/1/1">D. Deutsch</A>, <A HREF="/find/quant-ph/1/A.Ekert/0/1/0/all/1/1">A. Ekert</A>, <A HREF="/find/quant-ph/1/R.+Jozsa/0/1/0/all/1/1">R. Jozsa</A><BR>
- <B>Comments:</B> 5 pages, RevTeX, two figures in a uuencoded, compressed file<BR>
- <B>Journal-ref:</B> Phys. Rev. Lett. 74 (1995) 4083-4086<BR>
- <BLOCKQUOTE>
- Quantum logic gates provide fundamental examples of conditional quantum
- dynamics. They could form the building blocks of general quantum information
- processing systems which have recently been shown to have many interesting
- non--classical properties. We describe a simple quantum logic gate, the quantum
- controlled--NOT, and analyse some of its applications. We discuss two possible
- physical realisations of the gate; one based on Ramsey atomic interferometry
- and the other on the selective driving of optical resonances of two subsystems
- undergoing a dipole--dipole interaction.
- </BLOCKQUOTE>
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