Quantum Papers Published by Researchers in Japan

This webpage may contain errors. Please do NOT trust the following list, although the maintainer has tried his best to correct the mistakes. If you find an error, please contact the maintainer via email at “contact [at] ishikawa.cc”.

Highly contributed researchers

In recent 10 years: Keisuke Fujii (6)

Mio Murao (5) / Kosuke Mitarai (5) / Akihito Soeda (4)

Since 2017: Mio Murao (6) / Masahito Hayashi (6) / Keisuke Fujii (6)

Akihito Soeda (5) / Kosuke Mitarai (5)

Statistics

2025

Conditional disclosure of secrets with quantum resources

Authors: Vahid R. Asadi, Kohdai Kuroiwa, Debbie W. Leung, Alex May, Sabrina Pasterski, Chris Waddell

Lindblad engineering for quantum Gibbs state preparation under the eigenstate thermalization hypothesis

Authors: Eric Brunner, Luuk Coopmans, Gabriel Matos, Matthias Rosenkranz, Frederic Sauvage, Yuta Kikuchi

Holevo Cramr-Rao bound: How close can we get without entangling measurements?

Authors: Aritra Das, Lorcn O. Conlon, Jun Suzuki, Simon K. Yung, Ping Koy Lam, Syed Muhamad Assad

Quantum Merlin-Arthur proof systems for synthesizing quantum states

Authors: Hugo Delavenne, Franois Le Gall, Yupan Liu, Masayuki Miyamoto

Classical simulation and quantum resource theory of non-Gaussian optics

Authors: Oliver Hahn, Ryuji Takagi, Giulia Ferrini, Hayata Yamasaki

Density matrix representation of hybrid tensor networks for noisy quantum devices

Authors: Hiroyuki Harada, Yasunari Suzuki, Bo Yang, Yuuki Tokunaga, Suguru Endo

Heisenberg scaling based on population coding

Author: Masahito Hayashi

Measuring quantum relative entropy with finite-size effect

Author: Masahito Hayashi

The Cramr-Rao approach and global quantum estimation of bosonic states

Authors: Masahito Hayashi and Yingkai Ouyang

Recursive Quantum Relaxation for Combinatorial Optimization Problems

Authors: Ruho Kondo, Yuki Sato, Rudy Raymond, Naoki Yamamoto

Deep-Circuit QAOA

Authors: Gereon Komann, Lennart Binkowski, Lauritz van Luijk, Timo Ziegler, Ren Schwonnek

Averaging gate approximation error and performance of Unitary Coupled Cluster ansatz in Pre-FTQC Era

Authors: Kohdai Kuroiwa and Yuya O. Nakagawa

The State Preparation of Multivariate Normal Distributions using Tree Tensor Network

Authors: Hidetaka Manabe and Yuichi Sano

Quick design of feasible tensor networks for constrained combinatorial optimization

Authors: Hyakka Nakada, Kotaro Tanahashi, Shu Tanaka

Multiplexed Quantum Communication with Surface and Hypergraph Product Codes

Authors: Shin Nishio, Nicholas Connolly, Nicol Lo Piparo, William John Munro, Thomas Rowan Scruby, Kae Nemoto

Quantum state preparation for multivariate functions

Authors: Matthias Rosenkranz, Eric Brunner, Gabriel Marin-Sanchez, Nathan Fitzpatrick, Silas Dilkes, Yao Tang, Yuta Kikuchi, Marcello Benedetti

Quantum complexity phase transitions in monitored random circuits

Authors: Ryotaro Suzuki, Jonas Haferkamp, Jens Eisert, Philippe Faist

Trade-off relations between measurement dependence and hidden information for factorizable hidden variable models

Authors: Ryo Takakura, Kei Morisue, Issei Watanabe, Gen Kimura

Universal adjointation of isometry operations using conversion of quantum supermaps

Authors: Satoshi Yoshida, Akihito Soeda, Mio Murao

2024

A complete and operational resource theory of measurement sharpness

Authors: Francesco Buscemi, Kodai Kobayashi, Shintaro Minagawa

Hardness results for decoding the surface code with Pauli noise

Authors: Alex Fischer and Akimasa Miyake

Quantum Computed Green's Functions using a Cumulant Expansion of the Lanczos Method

Authors: Gabriel Greene-Diniz, David Zsolt Manrique, Kentaro Yamamoto, Evgeny Plekhanov, Nathan Fitzpatrick, Michal Krompiec, Rei Sakuma, David Muoz Ramo

Handbook for Quantifying Robustness of Magic

Authors: Hiroki Hamaguchi, Kou Hamada, Nobuyuki Yoshioka

Asymmetry activation and its relation to coherence under permutation operation

Author: Masahito Hayashi

Tight concentration inequalities for quantum adversarial setups exploiting permutation symmetry

Authors: Takaya Matsuura, Shinichiro Yamano, Yui Kuramochi, Toshihiko Sasaki, Masato Koashi

Comment on "Multivariable quantum signal processing (M-QSP): prophecies of the two-headed oracle"

Authors: Hitomi Mori, Kaoru Mizuta, Keisuke Fujii

Non-Markovianity in High-Dimensional Open Quantum Systems using Next-generation Multicore Optical Fibers

Authors: Santiago Rojas-Rojas, Daniel Martnez, Kei Sawada, Luciano Pereira, Stephen P. Walborn, Esteban S. Gmez, Nadja Kolb Bernardes, Gustavo Lima

Mixed-state additivity properties of magic monotones based on quantum relative entropies for single-qubit states and beyond

Authors: Roberto Rubboli, Ryuji Takagi, Marco Tomamichel

End-to-end complexity for simulating the Schwinger model on quantum computers

Authors: Kazuki Sakamoto, Hayata Morisaki, Junichi Haruna, Etsuko Itou, Keisuke Fujii, Kosuke Mitarai

HamLib: A library of Hamiltonians for benchmarking quantum algorithms and hardware

Authors: Nicolas P. D. Sawaya, Daniel Marti-Dafcik, Yang Ho, Daniel P. Tabor, David E. Bernal Neira, Alicia B. Magann, Shavindra P. Premaratne, Pradeep Dubey, Anne Y. Matsuura, Nathan Bishop, Wibe A. de Jong, Simon C. Benjamin, Ojas Parekh, Norm M. Tubman, Katherine Klymko, Daan Camps

Characterising the Hierarchy of Multi-time Quantum Processes with Classical Memory

Authors: Philip Taranto, Marco Tlio Quintino, Mio Murao, Simon Milz

Optimal light cone for macroscopic particle transport in long-range systems: A quantum speed limit approach

Authors: Tan Van Vu, Tomotaka Kuwahara, Keiji Saito

Quantum-enhanced mean value estimation via adaptive measurement

Authors: Kaito Wada, Kazuma Fukuchi, Naoki Yamamoto

Quantum Phase Estimation by Compressed Sensing

Authors: Changhao Yi, Cunlu Zhou, Jun Takahashi

2023

Unifying different notions of quantum incompatibility into a strict hierarchy of resource theories of communication

Authors: Francesco Buscemi, Kodai Kobayashi, Shintaro Minagawa, Paolo Perinotti, Alessandro Tosini

The quantum switch is uniquely defined by its action on unitary operations

Authors: Qingxiuxiong Dong, Marco Tlio Quintino, Akihito Soeda, Mio Murao

Tight Cramr-Rao type bounds for multiparameter quantum metrology through conic programming

Authors: Masahito Hayashi and Yingkai Ouyang

Efficient algorithms for quantum information bottleneck

Authors: Masahito Hayashi and Yuxiang Yang

Geometric Operator Quantum Speed Limit, Wegner Hamiltonian Flow and Operator Growth

Authors: Niklas Hrnedal, Nicoletta Carabba, Kazutaka Takahashi, Adolfo del Campo

Minimum Trotterization Formulas for a Time-Dependent Hamiltonian

Authors: Tatsuhiko N. Ikeda, Asir Abrar, Isaac L. Chuang, Sho Sugiura

Synergetic quantum error mitigation by randomized compiling and zero-noise extrapolation for the variational quantum eigensolver

Authors: Tomochika Kurita, Hammam Qassim, Masatoshi Ishii, Hirotaka Oshima, Shintaro Sato, Joseph Emerson

Refined finite-size analysis of binary-modulation continuous-variable quantum key distribution

Authors: Takaya Matsuura, Shinichiro Yamano, Yui Kuramochi, Toshihiko Sasaki, Masato Koashi

Perturbation theory with quantum signal processing

Authors: Kosuke Mitarai, Kiichiro Toyoizumi, Wataru Mizukami

Optimal Hamiltonian simulation for time-periodic systems

Authors: Kaoru Mizuta and Keisuke Fujii

Measurement disturbance and conservation laws in quantum mechanics

Authors: M. Hamed Mohammady, Takayuki Miyadera, Leon Loveridge

Measurement optimization of variational quantum simulation by classical shadow and derandomization

Authors: Kouhei Nakaji, Suguru Endo, Yuichiro Matsuzaki, Hideaki Hakoshima

Black holes as clouded mirrors: the Hayden-Preskill protocol with symmetry

Authors: Yoshifumi Nakata, Eyuri Wakakuwa, Masato Koashi

Analysis of arbitrary superconducting quantum circuits accompanied by a Python package: SQcircuit

Authors: Taha Rajabzadeh, Zhaoyou Wang, Nathan Lee, Takuma Makihara, Yudan Guo, Amir H. Safavi-Naeini

Local Probabilistic Decoding of a Quantum Code

Authors: Thomas Rowan Scruby and Kae Nemoto

Entanglement-efficient bipartite-distributed quantum computing

Authors: Jun-Yi Wu, Kosuke Matsui, Tim Forrer, Akihito Soeda, Pablo Andrs-Martnez, Daniel Mills, Luciana Henaut, Mio Murao

Smooth Metric Adjusted Skew Information Rates

Authors: Koji Yamaguchi and Hiroyasu Tajima

Universal construction of decoders from encoding black boxes

Authors: Satoshi Yoshida, Akihito Soeda, Mio Murao

2022

One bound to rule them all: from Adiabatic to Zeno

Authors: Daniel Burgarth, Paolo Facchi, Giovanni Gramegna, Kazuya Yuasa

Quantum algorithm for persistent Betti numbers and topological data analysis

Author: Ryu Hayakawa

Initial-State Dependent Optimization of Controlled Gate Operations with Quantum Computer

Authors: Wonho Jang, Koji Terashi, Masahiko Saito, Christian W. Bauer, Benjamin Nachman, Yutaro Iiyama, Ryunosuke Okubo, Ryu Sawada

Computationally Efficient Quantum Expectation with Extended Bell Measurements

Authors: Ruho Kondo, Yuki Sato, Satoshi Koide, Seiji Kajita, Hideki Takamatsu

Role of matter coherence in entanglement due to gravity

Author: Akira Matsumura

Imaginarity-free quantum multiparameter estimation

Authors: Jisho Miyazaki and Keiji Matsumoto

Computational power of one- and two-dimensional dual-unitary quantum circuits

Authors: Ryotaro Suzuki, Kosuke Mitarai, Keisuke Fujii

Divide-and-conquer verification method for noisy intermediate-scale quantum computation

Authors: Yuki Takeuchi, Yasuhiro Takahashi, Tomoyuki Morimae, Seiichiro Tani

One-Shot Hybrid State Redistribution

Authors: Eyuri Wakakuwa, Yoshifumi Nakata, Min-Hsiu Hsieh

Activation of genuine multipartite entanglement: Beyond the single-copy paradigm of entanglement characterisation

Authors: Hayata Yamasaki, Simon Morelli, Markus Miethlinger, Jessica Bavaresco, Nicolai Friis, Marcus Huber

2021

Blueprint for a Scalable Photonic Fault-Tolerant Quantum Computer

Authors: J. Eli Bourassa, Rafael N. Alexander, Michael Vasmer, Ashlesha Patil, Ilan Tzitrin, Takaya Matsuura, Daiqin Su, Ben Q. Baragiola, Saikat Guha, Guillaume Dauphinais, Krishna K. Sabapathy, Nicolas C. Menicucci, Ish Dhand

Symmetry-protected sign problem and magic in quantum phases of matter

Authors: Tyler D. Ellison, Kohtaro Kato, Zi-Wen Liu, Timothy H. Hsieh

Overhead for simulating a non-local channel with local channels by quasiprobability sampling

Authors: Kosuke Mitarai and Keisuke Fujii

Expressibility of the alternating layered ansatz for quantum computation

Authors: Kouhei Nakaji and Naoki Yamamoto

Operational applications of the diamond norm and related measures in quantifying the non-physicality of quantum maps

Authors: Bartosz Regula, Ryuji Takagi, Mile Gu

The Fermionic Quantum Emulator

Authors: Nicholas C. Rubin, Klaas Gunst, Alec F. White, Leon Freitag, Kyle Throssell, Garnet Kin-Lic Chan, Ryan Babbush, Toru Shiozaki

Qulacs: a fast and versatile quantum circuit simulator for research purpose

Authors: Yasunari Suzuki, Yoshiaki Kawase, Yuya Masumura, Yuria Hiraga, Masahiro Nakadai, Jiabao Chen, Ken M. Nakanishi, Kosuke Mitarai, Ryosuke Imai, Shiro Tamiya, Takahiro Yamamoto, Tennin Yan, Toru Kawakubo, Yuya O. Nakagawa, Yohei Ibe, Youyuan Zhang, Hirotsugu Yamashita, Hikaru Yoshimura, Akihiro Hayashi, Keisuke Fujii