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- Korea Advanced Institute of Science and TechnologyKR42 papers
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Showing 2008 · quant-phShow all
3 papers · 2 filters
quant-ph2008★ 253 cited
Counterfactual Quantum Cryptography
Tae-Gon Noh
Quantum cryptography allows one to distribute a secret key between two remote parties using the fundamental principles of quantum mechanics. The well-known established paradigm for…
quant-ph2008★ 9 cited
Quantum states for perfectly secure secret sharing
Dong Pyo Chi, Jeong Woon Choi, Jeong San Kim +2
In this work, we investigate what kinds of quantum states are feasible to perform perfectly secure secret sharing, and present its necessary and sufficient conditions. We also show…
quant-ph2008★ 9 cited
Monogamy equality in quantum systems
Dong Pyo Chi, Jeong Woon Choi, Kabgyun Jeong +3
There is an interesting property about multipartite entanglement, called the monogamy of entanglement. The property can be shown by the monogamy inequality, called the Coffman-Kund…