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pro vyhledávání: '"Lee, Yonghae"'
In classical information theory, channel capacity quantifies the maximum number of messages that can be reliably transmitted using shared information. An equivalent concept, termed uncommon information, represents the number of messages required to b
Externí odkaz:
http://arxiv.org/abs/2406.14879
Autor:
Kim, Seong-Kun, Lee, Yonghae
Publikováno v:
Entropy 2023, 25(7), 1093
In the field of quantum information theory, the concept of quantum fidelity is employed to quantify the similarity between two quantum states. It has been observed that the fidelity between two states describing a bipartite quantum system $A \otimes
Externí odkaz:
http://arxiv.org/abs/2307.11310
Publikováno v:
Phys. Rev. A 103, 062613 (2021)
Quantum state exchange is a quantum communication task for two users in which the users faithfully exchange their respective parts of an initial state under the asymptotic scenario. In this work, we generalize the quantum state exchange task to a qua
Externí odkaz:
http://arxiv.org/abs/2009.11539
Publikováno v:
Phys. Rev. A 100, 042306 (2019)
The quantum state exchange is a quantum communication task in which two users exchange their respective quantum information in the asymptotic setting. In this work, we consider a one-shot version of the quantum state exchange task, in which the users
Externí odkaz:
http://arxiv.org/abs/1905.12332
Publikováno v:
Phys. Rev. Lett. 122, 010502 (2019)
We consider a quantum communication task between two users Alice and Bob, in which Alice and Bob exchange their respective quantum information by means of local operations and classical communication assisted by shared entanglement. Here, we assume t
Externí odkaz:
http://arxiv.org/abs/1809.07030
Publikováno v:
Scientific Reports 9, 4778 (2019)
We propose a hybrid quantum algorithm based on the Harrow-Hassidim-Lloyd (HHL) algorithm for solving a system of linear equations. In our hybrid scheme, a classical information feed-forward is required from the quantum phase estimation algorithm to r
Externí odkaz:
http://arxiv.org/abs/1807.10651
Publikováno v:
Quantum Inf. Process. 17, 258 (2018)
Quantum secret sharing is well known as a method for players to share a classical secret for secret sharing in quantum mechanical ways. Most of the results associated with quantum secret sharing are based on pure multipartite entangled states. In rea
Externí odkaz:
http://arxiv.org/abs/1712.07819
Autor:
Lee, Yonghae, Lee, Soojoon
Publikováno v:
Quantum Inf. Process. 17, 268 (2018)
We first consider quantum communication protocols between a sender Alice and a receiver Bob, which transfer Alice's quantum information to Bob by means of non-local resources, such as classical communication, quantum communication, and entanglement.
Externí odkaz:
http://arxiv.org/abs/1708.04088
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