Hashing protocol for distilling multipartite Calderbank-Shor-Steane states
- ESAT-SCD, K.U.Leuven, Kasteelpark Arenberg 10, B-3001 Leuven (Belgium)
We present a hashing protocol for distilling multipartite Calderbank-Shor-Steane states by means of local Clifford operations, Pauli measurements, and classical communication. It is shown that this hashing protocol outperforms previous versions by exploiting information theory to a full extent and not only applying controlled-NOT gates as local Clifford operations. Using the information-theoretical notion of a strongly typical set, we calculate the asymptotic yield of the protocol as the solution of a linear programming problem.
- OSTI ID:
- 20787089
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 4 Vol. 73; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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