Zobrazeno 1 - 10
of 59
pro vyhledávání: '"Hama, Yusuke"'
Autor:
Hama, Yusuke, Nishi, Hirofumi
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 counterparts for solving certain problems in science and engineering. The qu
Externí odkaz:
http://arxiv.org/abs/2303.01820
Autor:
Hama, Yusuke, Nishi, Hirofumi
Publikováno v:
Scientific Reports 14, 6077 (2024)
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-correcting codes are not implemented on such devices and to perform quant
Externí odkaz:
http://arxiv.org/abs/2205.13907
Autor:
Hama, Yusuke
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 computers containing about fifty qubits and are weak against noise effects. He
Externí odkaz:
http://arxiv.org/abs/2012.02410
Autor:
Hama, Yusuke, Nomura, Kentaro
We investigate the spin-pumping-induced electric current on the surface of a three-dimensional topological insulator hybridized with a ferromagnet, namely, ferromagnetic topological insulator. In order to do this, we establish the microscopic formali
Externí odkaz:
http://arxiv.org/abs/2005.13850
Akademický článek
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Publikováno v:
Phys. Rev. A 98, 052133 (2018)
Spin collective phenomena including superradiance are even today being intensively investigated with experimental tests performed based on state-of-the-art quantum technologies. Such attempts are not only for the simple experimental verification of p
Externí odkaz:
http://arxiv.org/abs/1804.09926
Autor:
Hama, Yusuke, Nagaosa, Naoto
Publikováno v:
Phys. Rev. B 98, 045423 (2018)
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 bottom surfaces is there, the ferromagnetic resonance is driven by the e
Externí odkaz:
http://arxiv.org/abs/1709.09830
Autor:
Iguchi, Ryo, Yokota, Mitsuru, Kawada, Kenji, Ohnishi, Tomoki, Kani, Naoya, Mine, Yuta, Matsuda, Iori, Hama, Yusuke, Sugiyama, Kyohei, Terai, Akito, Inoue, Koji
Publikováno v:
Asian Journal of Endoscopic Surgery; Oct2024, Vol. 17 Issue 4, p1-4, 4p
Publikováno v:
Phys. Rev. Lett. 120, 060403 (2018)
We investigate the relaxation of two collective spins in double domain system, which are individually coupled to a single bosonic reservoir, by varying the total number of spins in each domain and their initial spin configurations. A particularly int
Externí odkaz:
http://arxiv.org/abs/1612.08963
Akademický článek
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