Journal article
On Quantum Algorithms
- Abstract:
- Quantum computers use the quantum interference of different computational paths to enhance correct outcomes and suppress erroneous outcomes of computations. In effect, they follow the same logical paradigm as (multi-particle) interferometers. We show how most known quantum algorithms, including quantum algorithms for factorising and counting, may be cast in this manner. Quantum searching is described as inducing a desired relative phase between two eigenvectors to yield constructive interference on the sought elements and destructive interference on the remaining terms.
Actions
Authors
- Journal:
- Complexity More from this journal
- Volume:
- 4
- Pages:
- 33
- Publication date:
- 1999-03-17
- Keywords:
- Pubs id:
-
pubs:313216
- UUID:
-
uuid:75a46012-7ab6-41cc-9c36-8c6328339a23
- Local pid:
-
pubs:313216
- Source identifiers:
-
313216
- Deposit date:
-
2012-12-19
Terms of use
- Copyright date:
- 1999
- Notes:
- 15 pages, 8 figures
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