Yuichi Motoyama

Yuichi Motoyama (Ph.D.)

Technical Specialist
The Institute for Solid State Physics (ISSP), the univ. of Tokyo

Major

Field/Topics

  • Computational Physics
    • Monte Carlo (MC) method
      • Path integral MC
      • Cluster algorithm
      • Negative sign problem
      • Extend ensemble method
  • Statistical Physics
  • Quantum spin systems in low dimension
    • Symmetry protected topological phase
    • SU(N) Spin
    • Quantized local Berry phase
  • Helium 4 atoms adsorbed on a surface

Programing languages

C/C++, python, Julia,  shell script

Links

Brief CV

Education

April 2007 – March 2009 Bachelor of Engineering: Dept. of Applied Physics, School of Engineering, UTokyo
April 2009 – March 2011 Master of Engineering: Dept. of Applied Physics, School of Engineering, UTokyo
April 2011 – March 2014 Doctor of Engineering: Dept. of Applied Physics, School of Engineering, UTokyo

Emproyment

April 2014 – January 2016 PostDoc at Materials Design and Characterization Laboratory, ISSP, UTokyo
Feburary 2016 – March 2018 PostDoc at Center for Computational Materials Science, ISSP, UTokyo
April 2018 – March 2022 PostDoc at Materials Design and Characterization Laboratory, ISSP, UTokyo
April 2022 – Present Technical Specialist at Materials Design and Characterization Laboratory, ISSP, UTokyo

Papers

  • YM, Kazuyoshi Yoshimi, and Junya Otsuki, “Robust analytic continuation combining the advantages of the sparse modeling approach and the Padé approximation”, Phys. Rev. B 105, 035139 (2022).
  • A. Masaki-Kato, YM, and Naoki Kawashima, “Universal and Non-Universal Correction Terms of Bose Gases in Dilute Region: A Quantum Monte Carlo Study”, J. Phys. Soc. Jpn. 91, 024001 (2022).
  • YM, K. Yoshimi, A. Masaki-Kato, T. Kato, and N. Kawashima, “DSQSS: Discrete Space Quantum Systems Solver”, Comput. Phys. Commun. 264, 107944 (2021).
  • K. Nakamura, Y. Yoshimoto, Y. Nomura, T. Tadano, M. Kawamura, T. Kosugi, K. Yoshimi, T. Misawa, and YM,
    “RESPACK: An ab initio tool for derivation of effective low-energy model of material”,
    Comput. Phys. Commun. 261, 107781 (2021).
  • T. Hoshi, M. Kawamura, K. Yoshimi, YM, T. Misawa, Y. Yamaji, S. Todo, N. Kawashima, and T. Sogabe,
    “Kω–Open-source library for the shifted Krylov subspace method of the form (zI− H)x=b”,
    Comput. Phys. Commun. 258, 107536 (2021).
  • T. Misawa, YM, and Y. Yamaji, “Asymmetric melting of a one-third plateau in kagome quantum antiferromagnets”, PRB 102, 094419 (2020).
  • K. Yoshimi, J. Otsuki, YM, M. Ohzeki, and H. Shinaoka, “SpM: Sparse modeling tool for analytic continuation of imaginary-time Green’s function”, Comput. Phys. Commun. 244, 319 (2019).
  • YM and Synge Todo, “ZN Berry phase and symmetry protected topological phases of SU(N) antiferromagnetic Heisenberg chain”, PRB 98, 195127 (2018), arXiv:1508.00960 (2015).
  • T. Misawa, S. Morita, K. Yoshimi, M. Kawamura, YM, K. Ido, T. Ohgoe, M. Imada, and T. Kato, “mVMC—Open-source software for many-variable variational Monte Carlo method”, Comp. Phys. Comm. 235, 447 (2019).
  • R. Kobayashi, K. Hashimoto, N. Yoneyama, K. Yoshimi, YM, S. Iguchi, Y. Ikemoto, T. Moriwaki, H. Taniguchi, and T. Sasaki, ” Dimer-Mott and charge-ordered insulating states in the quasi-one-dimensional organic conductors δP‘- and δC‘-(BPDT-TTF)2ICl2“, Phys. Rev. B 96, 115112 (2017).
  • YM and Synge Todo, “Path-Integral Monte Carlo for the Gauge-Fixed Berry Connection and the Local Z2 Berry Phase”, JPS Conf. Proc. 1, 012130 (2014).
  • YM and Synge Todo, “Path-integral Monte Carlo method for the local Z2 Berry phase”, Phys. Rev. E 87, 021301(R) (2013).

Contact

E-mail ： y-motoyama __at__ issp.u-tokyo.ac.jp
Tel ： 04-7136-3451