Zobrazeno 1 - 10
of 58
pro vyhledávání: '"Kaneyasu, Hirono"'
In this study, we examined the temperature dependence of the spin-lattice relaxation using an f-d-p model, which is an effective model of UTe2. Solving the linearized Eliashberg equation in the f-d-p model based on third-order perturbation theory, we
Externí odkaz:
http://arxiv.org/abs/2411.10688
We explore the pairing state and gap structure of UTe$_2$ using a six-orbital model which we call the $f$-$d$-$p$ model. Our model accurately reproduces the quasi-two-dimensional Fermi surfaces consistent with recent de Haas-van Alphen oscillation me
Externí odkaz:
http://arxiv.org/abs/2312.10886
Autor:
Nakanishi, Ryosuke, Yamada, Takaharu, Furuchi, Rito, Nakano, Hiroki, Kaneyasu, Hirono, Okamoto, Kiyomi, Tonegawa, Takashi, Sakai, Tôru
The $S=1/2$ ferromagnetic-antiferromagnetic bond-alternating spin chain with the anisotropy on the ferromagnetic exchange interaction in magnetic field is investigated using the numerical diagonalization and the density matrix renormalization group a
Externí odkaz:
http://arxiv.org/abs/2209.09740
Autor:
Sakai, Tôru, Nakanishi, Ryosuke, Yamada, Takaharu, Furuchi, Rito, Nakano, Hiroki, Kaneyasu, Hirono, Okamoto, Kiyomi, Tonegawa, Takashi
The $S=1/2$ quantum spin ladder system with the anisotropic ferromagnetic exchange interaction on the rung under magnetic field is investigated using the numerical diagonalization and the density matrix renormalization group (DMRG) analyses. It is fo
Externí odkaz:
http://arxiv.org/abs/2208.10994
Autor:
Yamada, Takaharu, Nakanishi, Ryosuke, Furuchi, Rito, Nakano, Hiroki, Kaneyasu, Hirono, Okamoto, Kiyomi, Tonegawa, Takashi, Sakai, Tôru
The magnetization plateau of the $S=2$ antiferromagnetic chain with interaction and single-ion anisotropies is investigated using the numerical diagonalization of finite-size clusters and some size scaling analyses. The previous level spectroscopy an
Externí odkaz:
http://arxiv.org/abs/2208.10983
Autor:
Sakai, Tôru, Yamada, Takaharu, Nakanishi, Ryosuke, Furuchi, Rito, Nakano, Hiroki, Kaneyasu, Hirono, Okamoto, Kiyomi, Tonegawa, Takashi
Publikováno v:
J. Phys. Soc. Jpn 91, 074702 (2022)
The $S=2$ quantum spin chain with the single-ion anisotropy $D$ and the biquadratic exchange interaction $J_{\rm BQ}$ is investigated using the numerical diagonalization of finite-size clusters and the level spectroscopy analysis. It is found that th
Externí odkaz:
http://arxiv.org/abs/2205.07005
Publikováno v:
Phys. Rev. B 92 (2015) 134515
The evolution of the filamentary 3-Kelvin (3K) superconducting phase at the interface between Sr2RuO4 and Ru-metal inclusions is discussed for Pb-Ru-Sr2RuO4 contacts. Using the Ginzburg-Landau model, the influence of proximity-induced superconductivi
Externí odkaz:
http://arxiv.org/abs/1708.07182
Akademický článek
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Publikováno v:
Phys. Rev. B 90, 024515 (2014)
Eutectic Sr$_2$RuO$_4$-Ru samples with $\mu$m-sized Ru-metal inclusions support inhomogeneous superconductivity above the bulk transition of Sr$_2$RuO$_4$ in the so-called 3-Kelvin phase. In Pb/Ru/Sr$_2$RuO$_4$ Josephson junctions as realized by Maen
Externí odkaz:
http://arxiv.org/abs/1405.3269
Publikováno v:
J. Phys. Soc. Jpn. 79 (2010) No.10
The inhomogeneous 3-Kelvin (3K) phase of the eutectic Sr2RuO4 with Ru inclusions nucleates superconductivity at the interface between Ru and Sr2RuO4. The structure of the interface state and its physical properties are examined here. Two superconduct
Externí odkaz:
http://arxiv.org/abs/1004.1940