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20212025
most citedAutomatic quantum circuit encoding of a given arbitrary quantum state

13 citations

11 papers

quant-ph2025★ 3 cited

Logical entanglement distribution between distant 2D array qubits

Yuya Maeda, Yasunari Suzuki, Toshiki Kobayashi +3

Sharing logical entangled pairs between distant quantum nodes is a key process to achieve fault tolerant quantum computation and communication. However, there is a gap between curr…

astro-ph.GA2024

Bird's-eye View of Molecular Gas across Stephan's Quintet Galaxy Group and Intra-group Medium

B. H. C. Emonts, P. N. Appleton, U. Lisenfeld +15

We present the large-scale distribution and kinematics of cold molecular gas across the compact galaxy group Stephan's Quintet, based on CO(2-1) observations performed with the Ata…

quant-ph2024★ 6 cited

Experimentally probing entropy reduction via iterative quantum information transfer

Toshihiro Yada, Pieter-Jan Stas, Aziza Suleymanzade +4

Thermodynamic principles governing energy and information are important tools for a deeper understanding and better control of quantum systems. In this work, we experimentally inve…

quant-ph2024

Quantum geometric tensor determines the pure-state i.i.d. conversion rate in the resource theory of asymmetry for any compact Lie group

Koji Yamaguchi, Yosuke Mitsuhashi, Tomohiro Shitara +1

Quantifying physical concepts in terms of the ultimate performance of a given task has been central to theoretical progress, as illustrated by thermodynamic entropy and entanglemen…

quant-ph2024★ 8 cited

Characterization of randomness in quantum circuits of continuous gate sets

Yosuke Mitsuhashi, Ryotaro Suzuki, Tomohiro Soejima +1

In the accompanying paper of arXiv:2408.13472, we have established the method of characterizing the maximal order of asymptotic unitary designs generated by symmetric local random…

quant-ph2024★ 9 cited

Unitary Designs of Symmetric Local Random Circuits

Yosuke Mitsuhashi, Ryotaro Suzuki, Tomohiro Soejima +1

We have established the method of characterizing the unitary design generated by a symmetric local random circuit. Concretely, we have shown that the necessary and sufficient condi…

quant-ph2024★ 3 cited

Measuring multipartite quantum correlations by thermodynamic work extraction

Toshihiro Yada, Nobuyuki Yoshioka, Takahiro Sagawa

Quantum correlations are at the core of quantum mechanics and play a crucial role in various fields. While bipartite quantum correlations have been extensively studied, multipartit…

quant-ph2024★ 6 cited

Gibbs-preserving operations requiring infinite amount of quantum coherence

Hiroyasu Tajima, Ryuji Takagi

Gibbs-preserving operations have been studied as one of the standard free processes in quantum thermodynamics. Although they admit a simple mathematical structure, their operationa…

cond-mat.supr-con2024★ 7 cited

Picosecond Trajectory of Two-dimensional Vortex Motion in FeSeTe Visualized by Terahertz Second Harmonic Generation

Sachiko Nakamura, Haruki Matsumoto, Hiroki Ogawa +4

We have investigated the vortex dynamics in a thin film of an iron-based superconductor FeSeTe by observing second-harmonic generation (SHG) in the THz frequency ra…

quant-ph2023★ 11 cited

Localized Virtual Purification

Hideaki Hakoshima, Suguru Endo, Kaoru Yamamoto +2

Analog and digital quantum simulators can efficiently simulate quantum many-body systems that appear in natural phenomena. However, experimental limitations of near-term devices st…

quant-ph2021★ 13 cited

Automatic quantum circuit encoding of a given arbitrary quantum state

Tomonori Shirakawa, Hiroshi Ueda, Seiji Yunoki

We propose a quantum-classical hybrid algorithm to encode a given arbitrarily quantum state onto an optimal quantum circuit with a finite numbe…