Journal article
Approximate Quantum Fourier Transform and Decoherence
- Abstract:
- We discuss the advantages of using the approximate quantum Fourier transform (AQFT) in algorithms which involve periodicity estimations. We analyse quantum networks performing AQFT in the presence of decoherence and show that extensive approximations can be made before the accuracy of AQFT (as compared with regular quantum Fourier transform) is compromised. We show that for some computations an approximation may imply a better performance.
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- Publisher copy:
- 10.1103/PhysRevA.54.139
Authors
- Publication date:
- 1996-01-21
- DOI:
- Keywords:
- Pubs id:
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pubs:313229
- UUID:
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uuid:fd194172-7f65-41e3-9e93-b4dfab3a6e2c
- Local pid:
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pubs:313229
- Source identifiers:
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313229
- Deposit date:
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2012-12-19
- ARK identifier:
Terms of use
- Copyright date:
- 1996
- Notes:
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14 pages, 10 fig. (8 *.eps files). More information on
http://eve.physics.ox.ac.uk/QChome.html
http://www.physics.helsinki.fi/~kasuomin
http://www.physics.helsinki.fi/~kira/group.html
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