3 papers
quant-ph2025
Demonstration of a quantum comparator on an ion-trap quantum device
Tatsuhiko N. Ikeda, Riku Nakama, Shunsuke Saeki +4
Quantum computers are believed to solve a class of computational problems that are based on modular arithmetic faster than classical computers. Among the arithmetic building blocks…
quant-ph2024
A Quantum-Resistant Photonic Hash Function
Tomoya Hatanaka, Rikuto Fushio, Masataka Watanabe +3
We propose a quantum hash function based on Gaussian boson sampling on a photonic quantum computer, aiming to provide quantum-resistant security. Extensive simulations demonstrate…
quant-ph2023
Robust effective ground state in a nonintegrable Floquet quantum circuit
Tatsuhiko N. Ikeda, Sho Sugiura, Anatoli Polkovnikov
An external periodic (Floquet) drive is believed to bring any initial state to the featureless infinite temperature state in generic nonintegrable isolated quantum many-body system…