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Probabilistic Storage and Retrieval of Quantum Superchannels for "Retrospective'' Intervention
Wataru Yokojima, Jisho Miyazaki, Mio Murao
Storing an unknown quantum computation in a quantum state and retrieving it at a desired later time is a challenging task, hindered by the no-programming theorem of quantum computa…
Localization of joint quantum measurements on by entangled resources with Schmidt number at most
Seiseki Akibue, Jisho Miyazaki
Localizable measurements are joint quantum measurements that can be implemented using only non-adaptive local operations and shared entanglement. We provide a protocol-independent…
Quantum Advantage in Storage and Retrieval of Isometry Channels
Satoshi Yoshida, Jisho Miyazaki, Mio Murao
Storage and retrieval refer to the task of encoding an unknown quantum channel into a quantum state, known as the program state, such that the channel can later be retrieved. T…
Optimizing Entanglement Manipulation via Algebraic-Geometric Decompositions and Semidefinite Programming Hierarchies
Seiseki Akibue, Jisho Miyazaki, Hiroyuki Osaka
In the study of distributed quantum information processing, it is a fundamental problem to optimize local operations in the implementation of non-local quantum operations assisted…
Non-locality of conjugation symmetry: characterization and examples in quantum network sensing
Jisho Miyazaki, Seiseki Akibue
Some quantum information processing protocols necessitate quantum operations that are invariant under complex conjugation. In this study, we analyze the non-local resources necessa…
Strongly non-quantitative classical information in quantum carriers
Jisho Miyazaki
A simple method to enhance the quality of communication is to send a carrier with its copies. Classical information theory says that information behaves quantitatively under copyin…