- Abstract:
-
We propose a method for the stabilisation of quantum computations (including quantum state storage). The method is based on the operation of projection into $\cal SYM$, the symmetric subspace of the full state space of $R$ redundant copies of the computer. We describe an efficient algorithm and quantum network effecting $\cal SYM$--projection and discuss the stabilising effect of the proposed method in the context of unitary errors generated by hardware imprecision, and nonunitary errors aris...
Expand abstract - Publisher copy:
- 10.1137/S0097539796302452
-
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- Journal:
- SIAM J. Comput.
- Volume:
- 26
- Issue:
- 5
- Pages:
- 1541-1557
- Publication date:
- 1996-04-25
- DOI:
- EISSN:
-
1095-7111
- ISSN:
-
0097-5397
- URN:
-
uuid:ab523460-551b-442c-9f68-abe351d32539
- Source identifiers:
-
313231
- Local pid:
- pubs:313231
- Keywords:
- Copyright date:
- 1996
- Notes:
- 20 pages LaTeX, 2 postscript figures
Journal article
Stabilisation of Quantum Computations by Symmetrisation
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