Search Results - "Seki, Kouichi"

Refine Results
  1. 1
  2. 2

    Snapshot Spectra in the World-Line Quantum Monte Carlo for One-Dimensional Quantum Spin Systems by Seki, Kouichi, Okunishi, Kouichi

    Published in Journal of the Physical Society of Japan (15-02-2019)
    “…We introduce a snapshot density matrix and snapshot spectrum for world-line (WL) quantum Monte Carlo simulations by integrating out the…”
    Get full text
    Journal Article
  3. 3
  4. 4

    Spin-Wave Analysis for Kagome-Triangular Spin System and Coupled Spin Tubes: Low-Energy Excitation for the Cuboc Order by Ochiai, Masahiro, Seki, Kouichi, Okunishi, Kouichi

    Published in Journal of the Physical Society of Japan (15-11-2017)
    “…The coupled spin tube system, which is equivalent to a stacked Kagome-triangular spin system, exhibits the cuboc order -- a non-coplanar spin order with a…”
    Get full text
    Journal Article
  5. 5

    A low-energy effective model for the S=1/2 Kagome-triangular-strip Heisenberg model by Okunishi, Kouichi, Onozato, Yoshitaka, Seki, Kouichi

    Published in AIP advances (01-10-2018)
    “…We study low-energy properties of the S=1/2 kagome-triangular-strip Heisenberg model. Using exact diagonalization, we calculate magnetization curves of the…”
    Get full text
    Journal Article
  6. 6

    Phase Transitions for Cuboc Orders in Stacked Kagome Heisenberg Systems by Seki, Kouichi, Okunishi, Kouichi

    Published in Journal of the Physical Society of Japan (15-02-2018)
    “…Using an event-chain Monte Carlo (MC) algorithm, we investigate phase transitions of the stacked kagome Heisenberg systems up to the third-nearest-neighbor…”
    Get full text
    Journal Article
  7. 7

    A Family of Hypokalemic Periodic Paralysis with CACNA1S Gene Mutation Showing Incomplete Penetrance in Women by KAWAMURA, Shuji, IKEDA, Yoshio, TOMITA, Koji, WATANABE, Nobuaki, SEKI, Kouichi

    Published in Internal Medicine (01-03-2004)
    “…Familial hypokalemic periodic paralysis is an autosomal dominant genetic muscle disease characterized by periodic attacks of muscle weakness associated with a…”
    Get full text
    Journal Article
  8. 8

    Effect of power cable insulator for power line communication by Takato, Kenji, Seki, Kouichi, Arai, Toshihiko

    Published in Electrical engineering in Japan (01-06-2009)
    “…This paper describes a method for calculation of the effective relative dielectric constant εs of VVF cable. For power line communications (PLC), VVF cables in…”
    Get full text
    Journal Article
  9. 9

    Synthesis of Diruthenium μ‑Chloromethylidyne Complex: C–C Bond Formation at the Bridging Carbon Atom via the Reduction of a μ‑Chloromethylidyne Ligand by Takao, Toshiro, Seki, Koichi

    Published in Organometallics (22-02-2021)
    “…The μ-chloromethylidyne complex, [(Cp*RuCl)2(μ-CCl)­(μ-Cl)] (2) (Cp* = η5-C5Me5), was prepared by the reaction of a triruthenium pentahydrido complex,…”
    Get full text
    Journal Article
  10. 10

    Reversible Transformation of a μ3‑η3‑C3 Ring into μ3‑η2‑Ethyne and μ‑Vinylidene Ligands at a Triruthenium Site upon Deprotonation and Protonation by Takao, Toshiro, Seki, Koichi

    Published in Organometallics (28-12-2020)
    “…A μ-vinylidene-μ3-η2-ethyne complex, [(Cp*Ru)3(μ3-CH)­(μ-CCH2)­(μ3-η2-HCCH)] (4; Cp* = η5-C5Me5), was synthesized by the reaction of…”
    Get full text
    Journal Article
  11. 11

    C−C Bond Formation between the μ‐Alkylidyne Ligands in a Diruthenium Bis(μ‐alkylidyne) Complex; σ‐ and π‐Aromaticity of the Ru2C2 Core by Takao, Toshiro, Seki, Koichi

    Published in European journal of inorganic chemistry (07-07-2021)
    “…Zn‐free μ‐ethylidyne‐μ‐propylidyne complex, [(Cp*Ru)2(μ‐CMe)(μ‐CEt)] (2 b; Cp*=C5Me5) was synthesized by the treatment of [(Cp*Ru)2(μ‐CMe)(μ‐CEt)(μ‐ZnCl2)] (1…”
    Get full text
    Journal Article
  12. 12

    Effect of ring size on the properties of μ3-Cycloalkyne complexes: Synthesis of triruthenium complexes containing a perpendicularly coordinated μ3-Allenyl ligand by Saito, Moeko, Kojima, Shuhei, Inagaki, Akiko, Seki, Koichi, Takao, Toshiro

    Published in Journal of organometallic chemistry (01-04-2019)
    “…A series of triruthenium complexes, [{Cp*Ru(μ-H)}3(μ3-η2:η2-CnH2n-4)] (2a, n = 6; 2b, n = 7; 2c,n = 8), containing a triply bridgin cycloalkyne ligand was…”
    Get full text
    Journal Article
  13. 13

    Magnetic phase diagram of the coupled triangular spin tubes for CsCrF sub(4) by Seki, Kouichi, Okunishi, Kouichi

    “…Using Monte Carlo simulations, we explore the magnetic phase diagram of triangular spin tubes coupled with a ferromagnetic intertube interaction for CsCrF…”
    Get full text
    Journal Article
  14. 14
  15. 15

    Efficacy of combination therapy of interferon-alpha with ursodeoxycholic acid in chronic hepatitis C: a randomized controlled clinical trial by Kiso, S, Kawata, S, Tamura, S, Imai, Y, Inui, Y, Nagase, T, Maeda, Y, Yamasaki, E, Tsushima, H, Igura, T, Himeno, S, Seki, K, Matsuzawa, Y

    Published in Journal of gastroenterology (01-02-1997)
    “…The efficacy of interferon-alpha therapy in the treatment of chronic hepatitis C is still limited. A combination therapy of interferon-alpha with…”
    Get full text
    Journal Article
  16. 16
  17. 17

    Lattice Unruh effect and world-line entanglement for the XXZ chain by Okunishi, Kouichi, Seki, Kouichi

    Published 25-06-2019
    “…J. Phys. Soc. Jpn. 88, 114002 (2019) For the XXZ chain, we discuss the relation between a lattice version of Unruh effect and the ground-state entanglement on…”
    Get full text
    Journal Article
  18. 18

    Malignant Lymphoma Originating in the Jejunum of a Long-term Follow-up Case of Protein-losing Enteropathy by NISHIUCHI, Meiko, IIDA, Masato, SAIKA, Yasuhiko, KUWASAKO, Takahiro, SEKI, Kouichi, SHINJI, Yoshitake, UKAI, Isamu, SHUGINO, Tatsuya, KOHRO, Takashi

    Published in Internal Medicine (1997)
    “…A 50-year-old female patient, who had been followed for 15 years for protein-losing enteropathy, was hospitalized due to epigastric pain. Examination on…”
    Get full text
    Journal Article
  19. 19

    Snapshot spectra in the world-line quantum Monte Carlo for one-dimensional quantum spin systems by Seki, Kouichi, Okunishi, Kouichi

    Published 20-11-2018
    “…J. Phys. Soc. Jpn. 88, 024003 (2019) We introduce a snapshot density matrix and snapshot spectrum for world-line (WL) quantum Monte Carlo simulations, by…”
    Get full text
    Journal Article
  20. 20

    Entanglement-based tensor-network strong-disorder renormalization group by Seki, Kouichi, Hikihara, Toshiya, Okunishi, Kouichi

    Published 17-10-2021
    “…Phys. Rev. B 104, 134405 (2021) We propose an entanglement-based algorithm of the tensor-network strong-disorder renormalization group (tSDRG) method for…”
    Get full text
    Journal Article