Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Toshio, Riki"'
Autor:
Akahoshi, Yutaro, Toshio, Riki, Fujisaki, Jun, Oshima, Hirotaka, Sato, Shintaro, Fujii, Keisuke
Achieving practical quantum speedup with limited resources is a crucial challenge in both academic and industrial communities. To address this, a partially fault-tolerant quantum computing architecture called ``space-time efficient analog rotation qu
Externí odkaz:
http://arxiv.org/abs/2408.14929
Autor:
Toshio, Riki, Akahoshi, Yutaro, Fujisaki, Jun, Oshima, Hirotaka, Sato, Shintaro, Fujii, Keisuke
Achieving quantum speedups in practical tasks remains challenging for current noisy intermediate-scale quantum (NISQ) devices. These devices always encounter significant obstacles such as inevitable physical errors and the limited scalability of curr
Externí odkaz:
http://arxiv.org/abs/2408.14848
Autor:
Toshio, Riki
甲第24401号
理博第4900号
新制||理||1700(附属図書館)
学位規則第4条第1項該当
Doctor of Science
Kyoto University
DFAM
理博第4900号
新制||理||1700(附属図書館)
学位規則第4条第1項該当
Doctor of Science
Kyoto University
DFAM
Externí odkaz:
http://hdl.handle.net/2433/283520
Autor:
Toshio, Riki, Kawakami, Norio
We investigate an interplay between quantum geometrical effects and surface plasmons through surface plasmonic structures, based on an electron hydrodynamic theory. First we demonstrate that the quantum nonlinear Hall effect can be dramatically enhan
Externí odkaz:
http://arxiv.org/abs/2209.10160
In this work, we give a characterization of the reservoir computer (RC) by the network structure, especially the probability distribution of random coupling constants. First, based on the path integral method, we clarify the universal behavior of the
Externí odkaz:
http://arxiv.org/abs/2112.01886
Publikováno v:
Phys. Rev. B 104, L241106 (2021)
Recent experiments have elucidated that novel nonequilibrium states inherent in the so-called hydrodynamic regime are realized in ultrapure metals with sufficiently strong momentum-conserving scattering. In this letter, we formulate a theory of elect
Externí odkaz:
http://arxiv.org/abs/2105.08074
Publikováno v:
Phys. Rev. Research 3, 033075 (2021)
We develop a hydrodynamic theory for an electron system exhibiting the anomalous Hall effect, and show that an additional anomalous Hall effect is induced by a vorticity generated near boundaries. We calculate the momentum flux and force proportional
Externí odkaz:
http://arxiv.org/abs/2103.00861
Publikováno v:
Phys. Rev. Research 2, 032021 (2020)
In highly conductive metals with sufficiently strong momentum-conserving scattering, the electron momentum is regarded as a long-lived quantity, whose dynamics is described by an emergent hydrodynamic theory. In this paper, we develop an electron hyd
Externí odkaz:
http://arxiv.org/abs/2005.03406
Our conventional understanding of optical responses in metals has been based on the Drude theory. In recent years, however, it has become possible to prepare ultrapure metallic samples where the electron-electron scattering becomes the most dominant
Externí odkaz:
http://arxiv.org/abs/1905.11698
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