Distilling entanglement with noisy operations
- Authors
- Chang, Jinho; Bae, Joonwoo; Kwon, Younghun
- Issue Date
- Apr-2017
- Publisher
- World Scientific Publishing Co
- Keywords
- Quantum operations; entanglement distillation; quantum error correction
- Citation
- International Journal of Quantum Information, v.15, no.3, pp.1 - 19
- Indexed
- SCIE
SCOPUS
- Journal Title
- International Journal of Quantum Information
- Volume
- 15
- Number
- 3
- Start Page
- 1
- End Page
- 19
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/10064
- DOI
- 10.1142/S0219749917500198
- ISSN
- 0219-7499
- Abstract
- Entanglement distillation is a fundamental task in quantum information processing. It not only extracts entanglement out of corrupted systems but also leads to protecting systems of interest against intervention with environment. In this work, we consider a realistic scenario of entanglement distillation where noisy quantum operations are applied. In particular, the two-way distillation protocol that tolerates the highest error rate is considered. We show that among all types of noise there are only four equivalence classes according to the distillability condition. Since the four classes are connected by local unitary transformations, our results can be used to improve entanglement distillability in practice when entanglement distillation is performed in a realistic setting.
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