Personal information

Japan

Activities

Employment (4)

The University of Tokyo: Tokyo, JP

2021-07-01 to present | Project associate professor (Institute for Physics of Intelligence,)
Employment
Source: Self-asserted source
Tsuyoshi Okubo

The University of Tokyo: Tokyo, JP

2017-04-01 to 2021-06-30 | Project lecturer (Department of Physics)
Employment
Source: Self-asserted source
Tsuyoshi Okubo

The University of Tokyo: Chiba, JP

2012-04-01 to 2017-03-31 | Project researcher (The Institute for Solid State Physics)
Employment
Source: Self-asserted source
Tsuyoshi Okubo

Osaka University: Osaka, JP

2008-04-01 to 2012-03-31 | Project researcher (Department of Earth and Space Science)
Employment
Source: Self-asserted source
Tsuyoshi Okubo

Education and qualifications (3)

Kyushu University: Fukuoka, JP

2005-04-01 to 2008-03-31 | Doctoral course (Department of Physics)
Education
Source: Self-asserted source
Tsuyoshi Okubo

Kyushu University: Fukuoka, JP

2003-04-01 to 2006-03-31 | Master course (Department of Physics)
Education
Source: Self-asserted source
Tsuyoshi Okubo

Kyushi Universituy: Fukuoka, JP

1999-04-01 to 2003-03-31 (Department of Physics)
Education
Source: Self-asserted source
Tsuyoshi Okubo

Works (41)

Nuclear norm regularized loop optimization for tensor network

Physical Review Research
2024-11-05 | Journal article
Contributors: Kenji Homma; Tsuyoshi Okubo; Naoki Kawashima
Source: check_circle
Crossref

Quantum phase transition between spin liquid and spin nematics in spin-1 Kitaev honeycomb model

Physical Review Research
2024-07-26 | Journal article
Contributors: Tohru Mashiko; Tsuyoshi Okubo
Source: check_circle
Crossref

Hunting for quantum-classical crossover in condensed matter problems

npj Quantum Information
2024-04-29 | Journal article
Contributors: Nobuyuki Yoshioka; Tsuyoshi Okubo; Yasunari Suzuki; Yuki Koizumi; Wataru Mizukami
Source: check_circle
Crossref

Quantum spin state stabilized by coupling with classical spins

Physical Review B
2024-03-15 | Journal article
Part of ISSN: 2469-9950
Part of ISSN: 2469-9969
Contributors: Hironori Yamaguchi; T. Okubo; A. Matsuo; T. Kawakami; Y. Iwasaki; T. Takahashi; Y. Hosokoshi; K. Kindo
Source: Self-asserted source
Tsuyoshi Okubo

Possibility of a Topological Phase Transition in Two-dimensional RP3 Model

Journal of the Physical Society of Japan
2023-11-15 | Journal article
Contributors: Tsuyoshi Okubo; Naoki Kawashima
Source: check_circle
Crossref

TeNeS: Tensor network solver for quantum lattice systems

Computer Physics Communications
2022-10 | Journal article
Contributors: Yuichi Motoyama; Tsuyoshi Okubo; Kazuyoshi Yoshimi; Satoshi Morita; Takeo Kato; Naoki Kawashima
Source: check_circle
Crossref

Optimized implementation for calculation and fast-update of Pfaffians installed to the open-source fermionic variational solver mVMC

Computer Physics Communications
2022-08 | Journal article
Contributors: RuQing G. Xu; Tsuyoshi Okubo; Synge Todo; Masatoshi Imada
Source: check_circle
Crossref

Bond-weighted tensor renormalization group

Physical Review B
2022-02-03 | Journal article
Contributors: Daiki Adachi; Tsuyoshi Okubo; Synge Todo
Source: check_circle
Crossref

Phase shift in skyrmion crystals

Nature Communications
2021-12-01 | Journal article
Contributors: Satoru Hayami; Tsuyoshi Okubo; Yukitoshi Motome
Source: check_circle
Crossref

Gapped ground state in a spin- 12 frustrated square lattice

Physical Review B
2021-08-27 | Journal article
Contributors: H. Yamaguchi; N. Uemoto; T. Okubo; Y. Kono; S. Kittaka; T. Sakakibara; T. Yajima; S. Shimono; Y. Iwasaki; Y. Hosokoshi
Source: check_circle
Crossref

Quantum critical phenomena in a spin- 12 frustrated square lattice with spatial anisotropy

Physical Review B
2021-06-15 | Journal article
Contributors: H. Yamaguchi; Y. Iwasaki; Y. Kono; T. Okubo; S. Miyamoto; Y. Hosokoshi; A. Matsuo; T. Sakakibara; T. Kida; M. Hagiwara
Source: check_circle
Crossref

Anisotropic tensor renormalization group

Physical Review B
2020-08-24 | Journal article
Contributors: Daiki Adachi; Tsuyoshi Okubo; Synge Todo
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Zero-energy excitation in the classical kagome antiferromagnet NaBa2Mn3F11

Physical Review B
2020-06-04 | Journal article
Contributors: Shohei Hayashida; Hajime Ishikawa; Yoshihiko Okamoto; Tsuyoshi Okubo; Zenji Hiroi; Gøran J. Nilsen; Hannu Mutka; Takatsugu Masuda
Source: check_circle
Crossref

Magnetic field induced quantum phases in a tensor network study of Kitaev magnets

Nature Communications
2020-04-02 | Journal article
Part of ISSN: 2041-1723
Source: Self-asserted source
Tsuyoshi Okubo
grade
Preferred source (of 3)‎

Abelian and non-Abelian chiral spin liquids in a compact tensor network representation

Physical Review B
2020-01-23 | Journal article
Part of ISSN: 2469-9950
Part of ISSN: 2469-9969
Source: Self-asserted source
Tsuyoshi Okubo

Multiple- q states of the J1−J2 classical honeycomb-lattice Heisenberg antiferromagnet under a magnetic field

Physical Review B
2019-12-02 | Journal article
Part of ISSN: 2469-9950
Part of ISSN: 2469-9969
Source: Self-asserted source
Tsuyoshi Okubo

Gapless Kitaev Spin Liquid to Classical String Gas through Tensor Networks

Physical Review Letters
2019-08-23 | Journal article
Part of ISSN: 0031-9007
Part of ISSN: 1079-7114
Source: Self-asserted source
Tsuyoshi Okubo

A series of magnon crystals appearing under ultrahigh magnetic fields in a kagomé antiferromagnet

Nature Communications
2019-03 | Journal article
Part of ISSN: 2041-1723
Source: Self-asserted source
Tsuyoshi Okubo

Field-enhanced quantum fluctuation in an S=12 frustrated square lattice

Physical Review B
2018-09-04 | Journal article
Part of ISSN: 2469-9950
Part of ISSN: 2469-9969
Source: Self-asserted source
Tsuyoshi Okubo

Magnetic state selected by magnetic dipole interaction in the kagome antiferromagnet NaBa2Mn3F11

Physical Review B
2018-02-12 | Journal article
Part of ISSN: 2469-9950
Part of ISSN: 2469-9969
Source: Self-asserted source
Tsuyoshi Okubo

Ground-state properties of Na2IrO3 determined from an ab initio Hamiltonian and its extensions containing Kitaev and extended Heisenberg interactions

Physical Review B
2017-08-24 | Journal article
Part of ISSN: 2469-9950
Part of ISSN: 2469-9969
Source: Self-asserted source
Tsuyoshi Okubo

Quantum phase transitions driven by rhombic-type single-ion anisotropy in the S=1 Haldane chain

Physical Review B
2017-08-03 | Journal article
Part of ISSN: 2469-9950
Part of ISSN: 2469-9969
Source: Self-asserted source
Tsuyoshi Okubo

Weak ferromagnetic order breaking the threefold rotational symmetry of the underlying kagome lattice in CdCu3(OH)6(NO3)2·H2O

Physical Review B
2017-03-27 | Journal article
Part of ISSN: 2469-9950
Part of ISSN: 2469-9969
Source: Self-asserted source
Tsuyoshi Okubo

Experimental Realization of a Quantum Pentagonal Lattice

Scientific Reports
2015-12 | Journal article
Part of ISSN: 2045-2322
Source: Self-asserted source
Tsuyoshi Okubo

SU(N)Heisenberg model with multicolumn representations

Physical Review B
2015-10-05 | Journal article
Part of ISSN: 1098-0121
Part of ISSN: 1550-235X
Source: Self-asserted source
Tsuyoshi Okubo

Scaling relation for dangerously irrelevant symmetry-breaking fields

Physical Review B
2015-05-15 | Journal article
Part of ISSN: 1098-0121
Part of ISSN: 1550-235X
Source: Self-asserted source
Tsuyoshi Okubo

Snapshot Spectrum and Critical Phenomenon for Two-Dimensional Classical Spin Systems

Journal of the Physical Society of Japan
2014-11-15 | Journal article
Part of ISSN: 0031-9015
Part of ISSN: 1347-4073
Source: Self-asserted source
Tsuyoshi Okubo

Field-induced incommensurate phase in the strong-rung spin ladder with ferromagnetic legs

Physical Review B
2014-06-09 | Journal article
Part of ISSN: 1098-0121
Part of ISSN: 1550-235X
Source: Self-asserted source
Tsuyoshi Okubo

Kagome–Triangular Lattice Antiferromagnet NaBa2Mn3F11

Journal of the Physical Society of Japan
2014-04-15 | Journal article
Part of ISSN: 0031-9015
Part of ISSN: 1347-4073
Source: Self-asserted source
Tsuyoshi Okubo

Possibility of deconfined criticality in SU(N) Heisenberg models at smallN

Physical Review B
2013-12-13 | Journal article
Part of ISSN: 1098-0121
Part of ISSN: 1550-235X
Source: Self-asserted source
Tsuyoshi Okubo

Various regimes of quantum behavior in anS=12Heisenberg antiferromagnetic chain with fourfold periodicity

Physical Review B
2013-11-15 | Journal article
Part of ISSN: 1098-0121
Part of ISSN: 1550-235X
Source: Self-asserted source
Tsuyoshi Okubo

Finite-Temperature Transition of the Antiferromagnetic Heisenberg Model on a Distorted Kagome Lattice

Physical Review Letters
2012-08-02 | Journal article
Part of ISSN: 0031-9007
Part of ISSN: 1079-7114
Source: Self-asserted source
Tsuyoshi Okubo

Multiple-qStates and the Skyrmion Lattice of the Triangular-Lattice Heisenberg Antiferromagnet under Magnetic Fields

Physical Review Letters
2012-01-05 | Journal article
Part of ISSN: 0031-9007
Part of ISSN: 1079-7114
Source: Self-asserted source
Tsuyoshi Okubo

Cubic and noncubic multiple-qstates in the Heisenberg antiferromagnet on the pyrochlore lattice

Physical Review B
2011-10-31 | Journal article
Part of ISSN: 1098-0121
Part of ISSN: 1550-235X
Source: Self-asserted source
Tsuyoshi Okubo

Novel Spin-Liquid States in the Frustrated Heisenberg Antiferromagnet on the Honeycomb Lattice

Journal of the Physical Society of Japan
2010-11-15 | Journal article
Part of ISSN: 0031-9015
Part of ISSN: 1347-4073
Source: Self-asserted source
Tsuyoshi Okubo

Signature of aZ2Vortex in the Dynamical Correlations of the Triangular-Lattice Heisenberg Antiferromagnet

Journal of the Physical Society of Japan
2010-08-15 | Journal article
Part of ISSN: 0031-9015
Part of ISSN: 1347-4073
Source: Self-asserted source
Tsuyoshi Okubo

Phase transition of the three-dimensional chiral Ginzburg-Landau model: Search for the chiral phase

Physical Review B
2010-07-08 | Journal article
Part of ISSN: 1098-0121
Part of ISSN: 1550-235X
Source: Self-asserted source
Tsuyoshi Okubo

Z2-Vortex Ordering of the Triangular-Lattice Heisenberg Antiferromagnet

Journal of the Physical Society of Japan
2010-02-15 | Journal article
Part of ISSN: 0031-9015
Part of ISSN: 1347-4073
Source: Self-asserted source
Tsuyoshi Okubo

Mean-field analysis of phase transitions in the emergence of hierarchical society

Physical Review E
2007-09-10 | Journal article
Part of ISSN: 1539-3755
Part of ISSN: 1550-2376
Source: Self-asserted source
Tsuyoshi Okubo

Dissipative process under a boundary perturbation

Physical Review E
2006-02-24 | Journal article
Part of ISSN: 1539-3755
Part of ISSN: 1550-2376
Source: Self-asserted source
Tsuyoshi Okubo

Random packing of binary hard discs

Journal of Physics: Condensed Matter
2004-09-22 | Journal article
Part of ISSN: 0953-8984
Part of ISSN: 1361-648X
Source: Self-asserted source
Tsuyoshi Okubo

Peer review (2 reviews for 2 publications/grants)

Review activity for Communications physics. (1)
Review activity for Nature nanotechnology (1)