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Distilling entanglement with noisy operations

Title
Distilling entanglement with noisy operations
Author
권영헌
Keywords
Quantum operations; entanglement distillation; quantum error correction
Issue Date
2017-03
Publisher
World Scientific Publishing Co. Pte Ltd
Citation
INTERNATIONAL JOURNAL OF QUANTUM INFORMATION, v. 15, No. 3, Article no. 1750019
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.
URI
https://repository.hanyang.ac.kr/handle/20.500.11754/128448https://www.worldscientific.com/doi/abs/10.1142/S0219749917500198
ISSN
0219-7499
DOI
10.1142/S0219749917500198
Appears in Collections:
COLLEGE OF SCIENCE AND CONVERGENCE TECHNOLOGY[E](과학기술융합대학) > APPLIED PHYSICS(응용물리학과) > Articles
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