Koji Yamaguchi

Research Assistant Professor

Kyushu University

Japan

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Koji Yamaguchi is a Research Assistant Professor at Kyushu University in Japan. His research areas encompass quantum information theory, general relativity, and the dynamics of quantum detectors, as evidenced by his recent publications on topics such as quantum Fisher information, entanglement dynamics, and asymptotic symmetries. His contributions to the field include advancements in the understanding of channel capacities and information rates in quantum systems.

Articles (10)

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2023

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2023

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2023

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2023

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2022

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2021

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2020

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2020

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2020

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2020

Collaborators (1)

Aida Ahmadzadegan

University of Waterloo

CANADA

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Koji Yamaguchi

Research Interests

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Articles (10)

Beyond i.i.d. in the Resource Theory of Asymmetry: An Information-Spectrum Approach for Quantum Fisher Information

Entanglement partners and monogamy in de Sitter universes

Entanglement is better teleported than transmitted

Smooth Metric Adjusted Skew Information Rates

Modification of a Lie-algebra-based approach and its application to asymptotic symmetries on a Killing horizon

A Lie algebra based approach to asymptotic symmetries in general relativity

Superadditivity of channel capacity through quantum fields

A Fundamental Upper Bound for Signal to Noise Ratio of Quantum Detectors

Duality in the dynamics of Unruh-DeWitt detectors in conformally related spacetimes

Partner formula for an arbitrary moving mirror in 1+1 dimensions

Collaborators (1)

Aida Ahmadzadegan

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