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山地 洋平

山地 洋平 (YAMAJI, Youhei) 0000-0002-4055-8792

Address
305-0044 茨城県つくば市並木1-1 [アクセス]

[論文] | [書籍] | [会議録] | [口頭発表] | [その他の文献] | [公開特許出願]

論文 TSV

2024
  1. Kota Ido, Mitsuaki Kawamura, Yuichi Motoyama, Kazuyoshi Yoshimi, Youhei Yamaji, Synge Todo, Naoki Kawashima, Takahiro Misawa. Update of HΦ: Newly added functions and methods in versions 2 and 3. Computer Physics Communications. 298 (2024) 109093 10.1016/j.cpc.2024.109093 Open Access
2023
  1. Michael Thobias Schmid, Jean-Baptiste Morée, Ryui Kaneko, Youhei Yamaji, Masatoshi Imada. Superconductivity Studied by Solving Ab Initio Low-Energy Effective Hamiltonians for Carrier Doped CaCuO2 , Bi2Sr2CuO6 , Bi2Sr2CaCu2O8 , and HgBa2CuO4. Physical Review X. 13 [4] (2023) 041036 10.1103/physrevx.13.041036 Open Access
  2. Kensaku Takai, Youhei Yamaji, Fakher F. Assaad, Masatoshi Imada. Quantum criticality of bandwidth-controlled Mott transition. Physical Review Research. 5 [3] (2023) 033186 10.1103/physrevresearch.5.033186 Open Access
  3. Youhei Yamaji, Teppei Yoshida, Atsushi Fujimori, Masatoshi Imada. Erratum: Hidden self-energies as origin of cuprate superconductivity revealed by machine learning [Phys. Rev. Research 3 , 043099 (2021)]. Physical Review Research. 5 [1] (2023) 019003 10.1103/physrevresearch.5.019003 Open Access
2022
  1. 今井 良宗, 大串 研也, 那波 和宏, 佐藤 卓, 清水 康弘, 山地 洋平. キタエフスピン液体に着目した新物質開発 ー高圧合成法を用いた新しいルテニウムハライドRuBr3, RuI3の発見̶. 固体物理. 57 [11] (2022) 113-132
  2. Jean-Baptiste Morée, Motoaki Hirayama, Michael Thobias Schmid, Youhei Yamaji, Masatoshi Imada. Ab initio low-energy effective Hamiltonians for the high-temperature superconducting cuprates Bi2Sr2CuO6, Bi2Sr2CaCu2O8, HgBa2CuO4, and CaCuO2. Physical Review B. 106 [23] (2022) 235150 10.1103/physrevb.106.235150 Open Access
  3. Akito Iwano, Youhei Yamaji. Superconductivity in Bilayer t–t′ Hubbard Models. Journal of the Physical Society of Japan. 91 [9] (2022) 10.7566/jpsj.91.094702
  4. Takahiro Misawa, Youhei Yamaji. Zeros of Green functions in topological insulators. Physical Review Research. 4 [2] (2022) 023177 10.1103/physrevresearch.4.023177 Open Access
2021
  1. Kazuhiro Nawa, Yoshinori Imai, Youhei Yamaji, Hideyuki Fujihara, Wakana Yamada, Ryotaro Takahashi, Takumi Hiraoka, Masato Hagihala, Shuki Torii, Takuya Aoyama, Takamasa Ohashi, Yasuhiro Shimizu, Hirotada Gotou, Masayuki Itoh, Kenya Ohgushi, Taku J. Sato. Strongly Electron-Correlated Semimetal RuI3 with a Layered Honeycomb Structure. Journal of the Physical Society of Japan. 90 [12] (2021) 10.7566/jpsj.90.123703
  2. Youhei Yamaji, Teppei Yoshida, Atsushi Fujimori, Masatoshi Imada. Hidden self-energies as origin of cuprate superconductivity revealed by machine learning. Physical Review Research. 3 [4] (2021) 043099 10.1103/physrevresearch.3.043099 Open Access
  3. Maxime Charlebois, Jean-Baptiste Morée, Kazuma Nakamura, Yusuke Nomura, Terumasa Tadano, Yoshihide Yoshimoto, Youhei Yamaji, Takumi Hasegawa, Kazuyuki Matsuhira, Masatoshi Imada. Ab initio derivation of low-energy Hamiltonians for systems with strong spin-orbit interaction: Application to Ca5Ir3O12. Physical Review B. 104 [7] (2021) 075153 10.1103/physrevb.104.075153
  4. Takeo Hoshi, Mitsuaki Kawamura, Kazuyoshi Yoshimi, Yuichi Motoyama, Takahiro Misawa, Youhei Yamaji, Synge Todo, Naoki Kawashima, Tomohiro Sogabe. Kω — Open-source library for the shifted Krylov subspace method of the form (zI−H)x=b. Computer Physics Communications. 258 (2021) 107536 10.1016/j.cpc.2020.107536 Open Access
2020
  1. Hyun-Yong Lee, Ryui Kaneko, Li Ern Chern, Tsuyoshi Okubo, Youhei Yamaji, Naoki Kawashima, Yong Baek Kim. Magnetic field induced quantum phases in a tensor network study of Kitaev magnets. Nature Communications. 11 [1] (2020) 1639 10.1038/s41467-020-15320-x Open Access
  2. Takahiro Misawa, Yuichi Motoyama, Youhei Yamaji. Asymmetric melting of a one-third plateau in kagome quantum antiferromagnets. Physical Review B. 102 [9] (2020) 094419 10.1103/physrevb.102.094419
  3. Changsong Xu, Junsheng Feng, Mitsuaki Kawamura, Youhei Yamaji, Yousra Nahas, Sergei Prokhorenko, Yang Qi, Hongjun Xiang, L. Bellaiche. Possible Kitaev Quantum Spin Liquid State in 2D Materials with S=3/2. Physical Review Letters. 124 [8] (2020) 087205 10.1103/physrevlett.124.087205 Open Access
  4. Takahiro Ohgoe, Motoaki Hirayama, Takahiro Misawa, Kota Ido, Youhei Yamaji, Masatoshi Imada. Ab initio study of superconductivity and inhomogeneity in a Hg-based cuprate superconductor. Physical Review B. 101 [4] (2020) 045124 10.1103/physrevb.101.045124
2019
  1. Takafumi Suzuki, Youhei Yamaji. Temperature Dependence of Heat Capacity in the Kitaev-Heisenberg Model on a Honeycomb Lattice. Journal of the Physical Society of Japan. 88 [11] (2019) 115001 10.7566/jpsj.88.115001
  2. Motoaki Hirayama, Takahiro Misawa, Takahiro Ohgoe, Youhei Yamaji, Masatoshi Imada. Effective Hamiltonian for cuprate superconductors derived from multiscale ab initio scheme with level renormalization. Physical Review B. 99 [24] (2019) 245155 10.1103/physrevb.99.245155
2018
  1. Andrei Catuneanu, Youhei Yamaji, Gideon Wachtel, Yong Baek Kim, Hae-Young Kee. Path to stable quantum spin liquids in spin-orbit coupled correlated materials. npj Quantum Materials. 3 [1] (2018) 23 10.1038/s41535-018-0095-2 Open Access
  2. Andrew S. Darmawan, Yusuke Nomura, Youhei Yamaji, Masatoshi Imada. Stripe and superconducting order competing in the Hubbard model on a square lattice studied by a combined variational Monte Carlo and tensor network method. Physical Review B. 98 [20] (2018) 205132 10.1103/physrevb.98.205132
  3. Motoaki Hirayama, Youhei Yamaji, Takahiro Misawa, Masatoshi Imada. Ab initio effective Hamiltonians for cuprate superconductors. Physical Review B. 98 [13] (2018) 134501 10.1103/physrevb.98.134501
  4. Anjana M. Samarakoon, Gideon Wachtel, Youhei Yamaji, D. A. Tennant, Cristian D. Batista, Yong Baek Kim. Classical and quantum spin dynamics of the honeycomb Γ model. Physical Review B. 98 [4] (2018) 045121 10.1103/physrevb.98.045121 Open Access
  5. Takahiro Misawa, Youhei Yamaji. Finite-Temperature Signatures of Spin Liquids in Frustrated Hubbard Model. Journal of the Physical Society of Japan. 87 [2] (2018) 023707 10.7566/jpsj.87.023707
  6. Matthias Gohlke, Gideon Wachtel, Youhei Yamaji, Frank Pollmann, Yong Baek Kim. Quantum spin liquid signatures in Kitaev-like frustrated magnets. Physical Review B. 97 [7] (2018) 075126 10.1103/physrevb.97.075126 Open Access
2017
  1. Yusuke Nomura, Andrew S. Darmawan, Youhei Yamaji, Masatoshi Imada. Restricted Boltzmann machine learning for solving strongly correlated quantum systems. Physical Review B. 96 [20] (2017) 205152 10.1103/physrevb.96.205152 Open Access
  2. Mitsuaki Kawamura, Kazuyoshi Yoshimi, Takahiro Misawa, Youhei Yamaji, Synge Todo, Naoki Kawashima. Quantum lattice model solver HΦ. Computer Physics Communications. 217 (2017) 180-192 10.1016/j.cpc.2017.04.006 Open Access
  3. Tsuyoshi Okubo, Kazuya Shinjo, Youhei Yamaji, Naoki Kawashima, Shigetoshi Sota, Takami Tohyama, Masatoshi Imada. Ground-state properties of Na2IrO3 determined from an ab initio Hamiltonian and its extensions containing Kitaev and extended Heisenberg interactions. Physical Review B. 96 [5] (2017) 054434 10.1103/physrevb.96.054434
2016
  1. Youhei Yamaji, Masatoshi Imada. Nonequilibrium Pump–Probe Photoexcitation as a Tool for Analyzing Unoccupied Equilibrium States of Correlated Electrons. Journal of the Physical Society of Japan. 85 [9] (2016) 094707 10.7566/jpsj.85.094707
  2. Moyuru Kurita, Youhei Yamaji, Masatoshi Imada. Stabilization of topological insulator emerging from electron correlations on honeycomb lattice and its possible relevance in twisted bilayer graphene. Physical Review B. 94 [12] (2016) 125131 10.1103/physrevb.94.125131
  3. Youhei Yamaji, Takafumi Suzuki, Takuto Yamada, Sei-ichiro Suga, Naoki Kawashima, Masatoshi Imada. Clues and criteria for designing a Kitaev spin liquid revealed by thermal and spin excitations of the honeycomb iridateNa2IrO3. Physical Review B. 93 [17] (2016) 174425 10.1103/physrevb.93.174425
  4. Youhei Yamaji, Masatoshi Imada. Modulated helical metals at magnetic domain walls of pyrochlore iridium oxides. Physical Review B. 93 [19] (2016) 195146 10.1103/physrevb.93.195146
  5. Kensaku Takai, Kota Ido, Takahiro Misawa, Youhei Yamaji, Masatoshi Imada. Finite-Temperature Variational Monte Carlo Method for Strongly Correlated Electron Systems. Journal of the Physical Society of Japan. 85 [3] (2016) 034601 10.7566/jpsj.85.034601
2015
  1. Takafumi Suzuki, Takuto Yamada, Youhei Yamaji, Sei-ichiro Suga. Dynamical properties of the honeycomb-lattice iridatesNa2IrO3. Physical Review B. 92 [18] (2015) 184411 10.1103/physrevb.92.184411
  2. Yasuhiro Yamada, Youhei Yamaji, Masatoshi Imada. Exciton Lifetime Paradoxically Enhanced by Dissipation and Decoherence: Toward Efficient Energy Conversion of a Solar Cell. Physical Review Letters. 115 [19] (2015) 197701 10.1103/physrevlett.115.197701
  3. Moyuru Kurita, Youhei Yamaji, Satoshi Morita, Masatoshi Imada. Variational Monte Carlo method in the presence of spin-orbit interaction and its application to Kitaev and Kitaev-Heisenberg models. Physical Review B. 92 [3] (2015) 035122 10.1103/physrevb.92.035122
2014
  1. Youhei Yamaji, Yusuke Nomura, Moyuru Kurita, Ryotaro Arita, Masatoshi Imada. First-Principles Study of the Honeycomb-Lattice IridatesNa2IrO3in the Presence of Strong Spin-Orbit Interaction and Electron Correlations. Physical Review Letters. 113 [10] (2014) 107201 10.1103/physrevlett.113.107201
  2. Masatoshi Imada, Youhei Yamaji, Moyuru Kurita. Electron Correlation Effects on Topological Phases. Journal of the Physical Society of Japan. 83 [6] (2014) 061017 10.7566/jpsj.83.061017
  3. Youhei Yamaji, Masatoshi Imada. Metallic Interface Emerging at Magnetic Domain Wall of Antiferromagnetic Insulator: Fate of Extinct Weyl Electrons. Physical Review X. 4 [2] (2014) 021035 10.1103/physrevx.4.021035 Open Access
  4. Satoru Hayami, Takahiro Misawa, Youhei Yamaji, Yukitoshi Motome. Three-dimensional Dirac electrons on a cubic lattice with noncoplanar multiple-Qorder. Physical Review B. 89 [8] (2014) 085124 10.1103/physrevb.89.085124
2013
  1. Moyuru Kurita, Youhei Yamaji, Masatoshi Imada. Phase diagram structure of topological Mott transition for zero-gap semiconductors beyond conventional Landau-Ginzburg-Wilson scenario. Physical Review B. 88 [11] (2013) 115143 10.1103/physrevb.88.115143
2012
  1. Yuto Ito, Youhei Yamaji, Masatoshi Imada. Impurity Effects on Superconductivity on Surfaces of Topological Insulators. Journal of the Physical Society of Japan. 81 [8] (2012) 084707 10.1143/jpsj.81.084707
2011
  1. M. Imada, Y. Yamaji, S. Sakai, Y. Motome. Theory of pseudogap and superconductivity in doped Mott insulators. Annalen der Physik. 523 [8-9] (2011) 629-637 10.1002/andp.201100028
  2. Yuto Ito, Youhei Yamaji, Masatoshi Imada. Stability of Unconventional Superconductivity on Surfaces of Topological Insulators. Journal of the Physical Society of Japan. 80 [6] (2011) 063704 10.1143/jpsj.80.063704
  3. Youhei Yamaji, Masatoshi Imada. Composite fermion theory for pseudogap phenomena and superconductivity in underdoped cuprate superconductors. Physical Review B. 83 [21] (2011) 214522 10.1103/physrevb.83.214522
  4. Youhei Yamaji, Masatoshi Imada. Mott physics on helical edges of two-dimensional topological insulators. Physical Review B. 83 [20] (2011) 205122 10.1103/physrevb.83.205122
  5. Moyuru Kurita, Youhei Yamaji, Masatoshi Imada. Topological Insulators from Spontaneous Symmetry Breaking Induced by Electron Correlation on Pyrochlore Lattices. Journal of the Physical Society of Japan. 80 [4] (2011) 044708 10.1143/jpsj.80.044708
  6. Youhei Yamaji, Masatoshi Imada. Composite-Fermion Theory for Pseudogap, Fermi Arc, Hole Pocket, and Non-Fermi Liquid of Underdoped Cuprate Superconductors. Physical Review Letters. 106 [1] (2011) 016404 10.1103/physrevlett.106.016404
2010
  1. Yukitoshi Motome, Kyoya Nakamikawa, Youhei Yamaji, Masafumi Udagawa. Partial Kondo Screening in Frustrated Kondo Lattice Systems. Physical Review Letters. 105 [3] (2010) 036403 10.1103/physrevlett.105.036403
2009
  1. Takahiro Misawa, Youhei Yamaji, Masatoshi Imada. Spin Fluctuation Theory for Quantum Tricritical Point Arising in Proximity to First-Order Phase Transitions: Applications to Heavy-Fermion Systems, YbRh2Si2, CeRu2Si2, and β-YbAlB4. Journal of the Physical Society of Japan. 78 [8] (2009) 084707 10.1143/jpsj.78.084707
2008
  1. Takahiro Misawa, Youhei Yamaji, Masatoshi Imada. YbRh2Si2: Quantum Tricritical Behavior in Itinerant Electron Systems. Journal of the Physical Society of Japan. 77 [9] (2008) 093712 10.1143/jpsj.77.093712
2007
  1. Youhei Yamaji, Takahiro Misawa, Masatoshi Imada. Quantum Metamagnetic Transitions Induced by Changes in Fermi-Surface Topology: Applications to a Weak Itinerant-Electron Ferromagnet ZrZn2. Journal of the Physical Society of Japan. 76 [6] (2007) 063702 10.1143/jpsj.76.063702
2006
  1. Youhei Yamaji, Takahiro Misawa, Masatoshi Imada. Quantum and Topological Criticalities of Lifshitz Transition in Two-Dimensional Correlated Electron Systems. Journal of the Physical Society of Japan. 75 [9] (2006) 094719 10.1143/jpsj.75.094719
  2. Takahiro Misawa, Youhei Yamaji, Masatoshi Imada. Quantum Critical “Opalescence” around Metal–Insulator Transitions. Journal of the Physical Society of Japan. 75 [8] (2006) 083705 10.1143/jpsj.75.083705
  3. Takahiro Misawa, Youhei Yamaji, Masatoshi Imada. Tricritical Behavior in Charge-Order System. Journal of the Physical Society of Japan. 75 [6] (2006) 064705 10.1143/jpsj.75.064705

書籍 TSV

会議録 TSV

口頭発表 TSV

2024
  1. 山地 洋平. HΦの概要及び今後の将来の展望. HΦ講習会 −Camphor3（システムA）を用いたハンズオン−. 2024 招待講演
  2. YAMAJI, Youhei. Massively Parallel Computing Approaches to Entangled Many-Body ElectronsーApplications to Cuprates and Frustrated Quantum Magnets. 2024 International Workshop on Massively Parallel Programming in Quantum Chemistry and Physics (MPQCP 2024). 2024 招待講演
2023
  1. YAMAJI, Youhei. Neural-Network and Numerical Analysis of Cuprate Superconductors. CCP2023 - 34th IUPAP Conference on Computational Physics. 2023 招待講演
  2. 山地 洋平. 人工ニューラルネットワークと数値計算による銅酸化物高温超伝導体の自己エネルギー解析. 日本物理学会2023年春季大会　シンポジウム「機械学習が拓く物性研究の最前線」. 2023
2022
  1. YAJI, Koichiro, HATTORI, Yuya, YOSHIZAWA, Shunsuke, TSUDA, Shunsuke, YAMAJI, Youhei, 福島 優斗, 川口 海周, 近藤 猛, Yuki Tokumoto, Keiichi Edagawa, TERASHIMA, Taichi. SARPES study of spin-polarized surface resonances of Pb(SbxBi1-x)2Te4. The 22nd International Vacuum Congress (IVC-22) https://ivc22.org/. 2022
  2. 山地 洋平. 数値解析と分光測定による高温超伝導および自己エネルギーの解析. 日本放射光学会 第14回若手研究会「次世代放射光で切り拓く軟X線科学」. 2022
  3. YAMAJI, Youhei. Neural-network and numerical analysis of self-energy and superconductivity in copper oxides. International Workshop on Correlations and Angle-Resolved Photoemission Spectroscopy (CORPES22) https://www.bnl.gov/corpesworkshop/. 2022 招待講演
2021
  1. 山地 洋平. Hidden self-energies as origin of cuprate superconductivity revealed by Boltzmann machine regression. the 12th International Conference on Advanced Material and Devices (ICAMD2021). 2021 招待講演
  2. 山地 洋平. キタエフ量子スピン液体候補物質の電子状態. キタエフ量子スピン液体研究の新展開 ~マヨラナ励起の創出と制御によるトポロジカル量子計算の実現に向けて~. 2021 招待講演

その他の文献 TSV

公開特許出願 TSV

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