activity
20112025
most citedRelaxation to Negative Temperatures in Double Domain Systems

31 citations · 75 across the 13 of their papers we have counts for

collaborators

13 papers

quant-ph2025★ 1 cited

Subsampling Factorization Machine Annealing

Yusuke Hama, Tadashi Kadowaki

Quantum computing and machine learning are state-of-the-art technologies that have been investigated intensively in both academia and industry. The hybrid technology of these two i…

quant-ph2023★ 1 cited

Quantum-Error-Mitigation Circuit Groups for Noisy Quantum Metrology

Yusuke Hama, Hirofumi Nishi

Quantum technologies work by utilizing properties inherent in quantum systems such as quantum coherence and quantum entanglement and are expected to be superior to classical counte…

quant-ph2022★ 9 cited

Quantum Error Mitigation via Quantum-Noise-Effect Circuit Groups

Yusuke Hama, Hirofumi Nishi

Near-term quantum computers have been built as intermediate-scale quantum devices and are fragile against quantum noise effects, namely, NISQ devices. Traditional quantum-error-cor…

quant-ph2020★ 1 cited

Quantum Circuits for Collective Amplitude Damping in Two-Qubit Systems

Yusuke Hama

Quantum computers have now appeared in our society and are utilized for the investigation of science and engineering. At present, they have been built as intermediate-size computer…

cond-mat.mes-hall2020

Spin-Pumping-Induced Non-Linear Electric Current on the Surface of a Ferromagnetic Topological Insulator

Yusuke Hama, Kentaro Nomura

We investigate the spin-pumping-induced electric current on the surface of a three-dimensional topological insulator hybridized with a ferromagnet, namely, ferromagnetic topologica…

cond-mat.mes-hall2017★ 4 cited

Electromagnon on the Surface of Magnetic Topological Insulator

Yusuke Hama, Naoto Nagaosa

We investigate theoretically the electromagnon on the surfaces of the magnetic topological insulator thin films. It is found that when the magnetic asymmetry between the top and bo…