A01 トポロジカル物質

(公募A01)H. Kohshiro, R. Kaneko, S. Morita, H. Katsura, N. Kawashima, “Multiple magnetization plateaus induced by farther neighbor interactions in an S=1 two-leg Heisenberg spin ladder”, Physical Review B 104(21), 214409 (2021) 8.

(公募A01)Y. Tanikawa, H. Katsura, “Fine structure of the nonlinear Drude weights in the spin-1/2 XXZ chain”, Physical Review B 104(20), 205116 (2021) 17.

(公募A01)P. Delplace, T. Yoshida, Y. Hatsugai, “Symmetry-Protected Multifold Exceptional Points and their Topological Characterization”, Physical Review Letters 127(18) (2021) 6.

(公募A01)J. Wouters, H. Katsura, D. Schuricht, “Interrelations among frustration-free models via Witten's conjugation”, SciPost Physics Core 4(4), 027 (2021).

(公募A01)Y. Otsuka, T. Yoshida, K. Kudo, S. Yunoki, Y. Hatsugai, “Higher-order topological Mott insulator on the pyrochlore lattice”, Scientific Reports 11(1) (2021) 7.

(公募A01)T. Isobe, T. Yoshida, Y. Hatsugai, “Topological band theory of a generalized eigenvalue problem with Hermitian matrices: Symmetry-protected exceptional rings with emergent symmetry”, Physical Review B 104(12) (2021) 6.

(公募A01)H. Katsura, N. Kawashima, S. Morita, A. Tanaka, H. Tasaki, “Mott-insulator-like Bose-Einstein condensation in a tight-binding system of interacting bosons with a flat band”, Phys. Rev. Res. 3(3) , 033190 (2021) 12.

(公募A01)T. Yoshida, Y. Hatsugai, “Correlation effects on non-Hermitian point-gap topology in zero dimension: Reduction of topological classification”, Physical Review B 104(7)075106(2021) 8.

(公募A01) T. Yoshida, T. Mizoguchi, Y. Hatsugai, “Chiral edge modes in evolutionary game theory: A kagome network of rock-paper-scissors cycles”, Physical Review E 104(2)025003 (2021).

(公募A01) T. Mizoguchi, H. Katsura, I. Maruyama, Y. Hatsugai, “Flat-band solutions in D-dimensional decorated diamond and pyrochlore lattices: Reduction to molecular problem”, Physical Review B 104(3) 035155 (2021).

(公募A01)Gen Najima, Tsuneya Yoshida, Yasuhiro Hatsugai, “Dynamics governed by symmetry-protected exceptional rings for mechanical systems”, (arXiv:2106.13563), preprint

(公募A01) Makino, Takahiro Fukui, Tsuneya Yoshida, Yasuhiro Hatsugai “Edge states of a diffusion equation in one-dimension: Rapid heat conduction to the heat bath”, (arXiv:2106.09945), preprint

(公募A01) T. Yoshida, T. Mizoguchi, Y. Kuno, Y. Hatsugai, “Square-root topological phase with time-reversal and particle-hole symmetry”, Physical Review B 103(23) (2021) 9.

(公募A01) Y. Yamazaki, S. Kobayashi, A. Yamakage, “Electric Multipoles of Double Majorana Kramers Pairs”, Journal of the Physical Society of Japan 90(7) (2021) 5.

(公募A01) S. Kobayashi, Y. Yamazaki, A. Yamakage, M. Sato, “Majorana multipole response: General theory and application to wallpaper groups”, Physical Review B 103(22) (2021) 23.

(公募A01) Y. Tanikawa, K. Takasan, H. Katsura, “Exact results for nonlinear Drude weights in the spin-1/2 XXZ chain”, Physical Review B 103(20) (2021).

(A01-1) T. Kato, D. Kishimoto, N. Tsutaya, “Hilbert bundles with ends”, (arXiv:2105.02981), preprint

(公募A01) T. Yamaguchi, A. Yamakage, “Theory of Magnetic-Texture-Induced Anomalous Hall Effect on the Surface of Topological Insulators”, Journal of the Physical Society of Japan 90(6) (2021).

(公募A01) Y. Imai, A. Yamakage, H. Kohno, “Spin-orbit torques and magnetotransport of two-dimensional Dirac electrons without particle-hole symmetry”, Physical Review B 103(14) (2021) 19.

(公募A01) H. Araki, T. Yoshida, Y. Hatsugai, “Machine Learning of Mirror Skin Effects in the Presence of Disorder”, Journal of the Physical Society of Japan 90(5) (2021).

(公募A01) T. Yoshida, “Real-space dynamical mean field theory study of non-Hermitian skin effect for correlated systems: Analysis based on pseudospectrum”, Physical Review B 103(12) (2021) 9.

(公募A01) Y. Yamazaki, S. Kobayashi, A. Yamakage, “Magnetic response of Majorana Kramers pairs with an order-two symmetry”, Physical Review B 103(9) (2021) 23.

(公募A01) H. Yoshida, H. Katsura, “Rigorous Results on the Ground State of the Attractive SU(N) Hubbard Model”, Phys Rev Lett 126(10) (2021) 100201.

(公募A01)Y. Imai, T. Yamaguchi, A. Yamakage, H. Kohno, “Spintronic properties of topological surface Dirac electrons with hexagonal warping”, Physical Review B 103(5) (2021) 17.

(A01-1) Tsuyoshi Kato, Daisuke Kishimoto, Mitsunobu Tsutaya, “Homotopy type of the unitary group of the uniform Roe algebra on Z^n”, (arXiv:2102.00606), preprint

(公募A01) T. Mizoguchi, T. Yoshida, Y. Hatsugai, “Square-root topological semimetals”, Physical Review B 103(4) (2021).

(公募A01) R. Rausch, R. Peters, T. Yoshida, “Exceptional points in the one-dimensional Hubbard model”, New Journal of Physics 23(1) (2021).

(公募A01) T. Yoshida, Y. Hatsugai, “Bulk-edge correspondence of classical diffusion phenomena”, Sci Rep 11(1) (2021) 888.

(公募A01) K. Tamura, H. Katsura, “Ferromagnetism in d-Dimensional SU(n) Hubbard Models with Nearly Flat Bands”, J. Stat. Phys. 182(1) (2021) 20.

(公募A01) Tsuneya Yoshida, Tomonari Mizoguchi, Yasuhiro Hatsugai, “Chiral edge modes in game theory: a kagome network of rock-paper-scissors”, (arXiv:2012.05562), preprint

A02 ネットワーク解析による高分子材料

• (公募A02) H. Yabu, K. Nakamura, Y. Matsuo, Y. Umejima, H. Matsuyama, J. Nakamura, K. Ito, “Pyrolysis-Free Oxygen Reduction Reaction (ORR) Electrocatalysts Composed of Unimolecular Layer Metal Azaphthalocyanines Adsorbed onto Carbon Materials”, ACS Appl. Energ. Mater. 4(12), 14380-14389 (2021)
• (公募A02) M.S. Grewal, Y. Matsuo, H. Yabu,“Heteroatom-doped carbon electrocatalysts prepared from marine biomass cellulose nanocrystals and bio-inspired polydopamine for the oxygen reduction reaction”, New J. Chem. 45(41)19228 (2021) 8
• (公募A02) S. Murakami, O. Ikeda, Y. Hirukawa, T. Saiki, “Investigation of Eigenmode-Based Coupled Oscillator Solver Applied to Ising Spin Problems”, Symmetry-Basel 13(9) (2021) 9.
• (公募A02) S. El Hog, F. Kato, H. Koibuchi, H.T. Diep, “Finsler geometry modeling and Monte Carlo study of skyrmion shape deformation by uniaxial stress”, Physical Review B 104(2) (2021).
• (A02-2) T. Aoyagi, “Evaluation of the Slip-Spring Dissipative Particle Dynamics Code for Practical Studies in Polymer Rheology”, Nihon Reoroji Gakkaishi 49(2) (2021) 79-86.
• (A02-2) T. Aoyagi, “High-throughput prediction of stress-strain curves of thermoplastic elastomer model block copolymers by combining hierarchical simulation and deep learning”, MRS Adv. 6(2) (2021) 32-36.
• (公募A02) V. Egorov, O. Maksimova, H. Koibuchi, C. Bernard, J.M. Chenal, O. Lame, G. Diguet, G. Sebald, J.Y. Cavaille, T. Takagi, “Electromechanical properties of ferroelectric polymers: Finsler geometry modeling and a Monte Carlo study”, Physics Letters A 396 (2021).
• (公募A02) T. Aoyama, N. Yamada, K. Urayama, “Nonlinear Elasticity of Ultrasoft Near-Critical Gels with Extremely Sparse Network Structures Revealed by Biaxial Stretching”, Macromolecules 54(5) (2021) 2353-2365.
• (A02-2) T. Aoyagi, “Deep learning model for predicting phase diagrams of block copolymers”, Computational Materials Science 188 (2021).

A03 極小曲面とナノ構造の動的構造形成

• (A03-1)L. Dello Schiavo, K. Suzuki,"Sobolev-to-Lipschitz property on QCD-spaces and applications", Math. Ann. 18. (2021)
• (公募A03)K. Saito, M. Hishida, Y. Yamamura,"Two-Dimensional Spin Model Possibly Undergoing a Phase Transition: Heisenberg Model of Headless Spins Preferring Twist on Triangular Lattice", Journal of the Physical Society of Japan 90(12) (2021) 11.
• (公募A03)L. Tomarchio, S. Macis, A. D'Arco, S. Mou, A. Grilli, M. Romani, M.C. Guidi, K.L. Hu, S. Kukunuri, S. Jeong, A. Marcelli, Y. Ito, S. Lupi,"Disordered photonics behavior from terahertz to ultraviolet of a three-dimensional graphene network", NPG Asia Mater. 13(1) (2021) 8.
• (公募A03)N. Zebardastan, J. Bradford, B. Gupta, J. Lipton-Duffin, J. MacLeod, H.D. Pham, D. Dubal, K. Ostrikov, A. Wolff, K.L. Hu, Y. Ito, C. Mariani, M.G. Betti, N. Motta,"2D MoS2 Heterostructures on Epitaxial and Self-Standing Graphene for Energy Storage: From Growth Mechanism to Application", Adv. Mater. Technol.13.
• (A03-1)L. Dello Schiavo, K. Suzuki, "Configuration spaces over singular spaces -- I. Dirichlet-Form and Metric Measure Geometry", (arXiv:2109.03192), preprint
• (公募A03)A.A.H. Tajuddin, G. Elumalai, Z.Y. Xi, K.L. Hu, S. Jeong, K. Nagasawa, J.I. Fujita, Y. Sone, Y. Ito,"Corrosion-resistant non-noble metal electrodes for PEM-type water electrolyzer", Int. J. Hydrog. Energy 46(78) (2021) 38603-38611.
• (A03-1)E. Bruè, K. Suzuki, “BV Functions and Sets of Finite Perimeter on Configuration Spaces”, (arXiv:2109.06078), preprint
• (公募A03)S. Jeong, T. Ohto, T. Nishiuchi, Y. Nagata, J. Fujita, Y. Ito,"Polyethylene Glycol Covered Sn Catalysts Accelerate the Formation Rate of Formate by Carbon Dioxide Reduction", Acs Catalysis 11(15) (2021) 9962-9969.
• (公募A03)Y. Ito, S. Kukunuri, S. Jeong, G. Elumalai, A.A.H. Tajuddin, Z.Y. Xi, K.L. Hu, T. Ohto,"Phase-Dependent Electrochemical CO2 Reduction Ability of NiSn Alloys for Formate Generation", ACS Appl. Energ. Mater. 4(7) (2021) 7122-7128.
• (公募A03)S. Kutsumizu, A. Kawafuchi, Y. Yamamura, T. Udagawa, T. Otaki, M. Masuda, Y. Miwa, K. Saito,"Stabilization of Bicontinuous Cubic Phase and Its Two-Sided Nature Produced by Use of Siloxane Tails and Introduction of Molecular Nonsymmetry", Chem.-Eur. J. 27(2021)10293-10302
• (公募A03)K.L. Hu, T.T. Yu, Y.Y. Zhang, X.R. Lin, Y.L. Zhao, G.Q. Xie, X.J. Liu, X. Lin, J. Fujita, H.J. Qiu, Y. Ito,"Inhibiting Surface Diffusion to Synthesize 3D Bicontinuous Nanoporous N-Doped Carbon for Boosting Oxygen Reduction Reaction in Flexible All-Solid-State Al-Air Batteries", Advanced Functional Materials 7 (2021) 2103632.
• (A03-1・A03-2・公募A03・総括班) A. Dechant, T. Ohto, Y. Ito, M.V. Makarova, Y. Kawabe, T. Agari, H. Kumai, Y. Takahashi, H. Naito, M. Kotani ,"Geometric model of 3D curved graphene with chemical dopants", Carbon 182 (2021) 223-232.
• (公募A03) T. Tsujiguchi, Y. Kawabe, S. Jeong, T. Ohto, S. Kukunuri, H. Kuramochi, Y. Takahashi, T. Nishiuchi, H. Masuda, M. Wakisaka, K.L. Hu, G. Elumalai, J.I. Fujita, Y. Ito,"Acceleration of Electrochemical CO2 Reduction to Formate at the Sn/Reduced Graphene Oxide Interface", Acs Catalysis 11(6) (2021) 3310-3318.
• (A03-2)S. Akamine, H. Fujino, "Reflection principle for lightlike line segments on maximal surfaces", Annals of Global Analysis and Geometry 59(1) (2021) 93-108.
• (公募A03) T. Ohto, A. Tashiro, T. Seo, N. Kawaguchi, Y. Numai, J. Tokumoto, S. Yamaguchi, R. Yamada, H. Tada, Y. Aso, Y. Ie, "Single-Molecule Conductance of a pi-Hybridized Tripodal Anchor while Maintaining Electronic Communication", Small Vol.17,3,8.
• (公募A03) K. Hu, T. Ohto, Y. Nagata, M. Wakisaka, Y. Aoki, J.I. Fujita, Y. Ito, "Catalytic activity of graphene-covered non-noble metals governed by proton penetration in electrochemical hydrogen evolution reaction", Nat Commun 12(1) (2021) 203.
• (公募A03) M.M.S. Abdelnabi, C. Izzo, E. Blundo, M.G. Betti, M. Sbroscia, G. Di Bella, G. Cavoto, A. Polimeni, I. García-Cortés, I. Rucandio, A. Moroño, K. Hu, Y. Ito, C. Mariani, "Deuterium Adsorption on Free-Standing Graphene", Nanomaterials (Basel, Switzerland) 11(1) (2021).

B01 物質・材料科学のための情報科学基盤

• (B01-2)R. Okugawa, H. Oshiyama, M. Ohzeki, “Mirror-symmetry-protected dynamical quantum phase transitions in topological crystalline insulators”, Phys. Rev. Res. 3, 043064 (2021) 9.
• (B01-2・公募A01)S. Tokuda, S. Souma, K. Segawa, T. Takahashi, Y. Ando, T. Nakanishi, T. Sato, “Unveiling quasiparticle dynamics of topological insulators through Bayesian modelling”, Communications Physics 4 170 (2021).
• (公募B01), T. Murashima, K. Hagita, T. Kawakatsu, “Viscosity Overshoot in Biaxial Elongational Flow: Coarse-Grained Molecular Dynamics Simulation of Ring–Linear Polymer Mixtures”, Macromolecules (2021).
• (公募B01・A02-2) K. Hagita, T. Aoyagi, Y. Abe, S. Genda, T. Honda, “Deep learning-based estimation of Flory-Huggins parameter of A-B block copolymers from cross-sectional images of phase-separated structures”, Sci Rep 11(1) (2021) 12322.
• (B01-2) R. Okugawa, R. Takahashi, K. Yokomizo, “Non-Hermitian band topology with generalized inversion symmetry”, Physical Review B 103, 205205 (2021).
• (公募B01) Yoh-ichi Mototake, “Interpretable conservation law estimation by deriving the symmetries of dynamics from trained deep neural networks”, Physical Review E 103, 033303 (2021).
• (公募B01) K. Hagita, T. Murashima, “Effect of chain-penetration on ring shape for mixtures of rings and linear polymers”, Polymer 218 (2021), 123493.
• (公募B01) Y. Tsuji, K. Okazawa, Y. Kobayashi, H. Kageyama, K. Yoshizawa, “Electronic Origin of Catalytic Activity of TiH2 for Ammonia Synthesis”, J. Phys. Chem. C 125(7) (2021) 3948-3960.
• (公募B01) Y. Tsuji, K. Yoshizawa,“From Infection Clusters to Metal Clusters: Significance of the Lowest Occupied Molecular Orbital (LOMO)”, ACS Omega 6(2) (2021) 1339-1351.

総括班・インターフェース

• (総括班) K. Kunikawa, Y. Sakurai, "Liouville Theorem for Heat Equation Along Ancient Super Ricci Flow Via Reduced Geometry", J. Geom. Anal. 31(12) (2021) 11899-11930.

招待講演（海外）

• (公募A01)Tsuneya Yoshida,"Exceptional points under symmetry and correlations", Virtual PHHQP seminar, Online, December 16, 2021.
• (公募A01)H. Katsura,"Experimental mathematical physics", Rigorous Statistical Mechanics and Related Topics, Online, November 18, 2021.
• (公募A02)T. Saiki,"Natural Intelligence in Colloidal Particle Systems with Memory Effects", 4th International Conference on Memristive Materials, Devices & Systems, Online, November 3, 2021
• (公募A01)Tsuneya Yoshida,"Analysis of non-Hermitian topology in correlated systems", Theoretical studies of topological phases of matter, Online, October 21, 2021
• (公募A03)Yoshiyuki Kageyama,"Shape change and work behavior of bistable self-oscillatory photochromic material in aqueous condition towards microrobot", The 21st International Conference on Discrete Geometric Analysis for Materials Design, Online, September 28, 2021
• (公募A03)Yoshiyuki Kageyama,"Mechanically “working” softcrystal under steady light irradiation", The 71st JSCCC(錯体化学会第71回討論会)Symposium“Interplay between mechanical and physical properties of functional molecular crystals”, Online, September 16, 2021
• (公募A01)Tsuneya Yoshida,"Correlated systems with non-Hermitian topology", New Trends in Quantum Condensed Matter Theory, Online, July 29, 2021
• (公募A01)Tsuneya Yoshida,"Non-Hermitian topology of correlated systems", International summer school and workshop on emergent quantum many-body phenomena Online, July 28, 2021
• (公募A01)Hosho Katsura, "Integrable dissipative spin chains", Non-Hermitian Physics, Online, March 26, 2021
• (A03-2)Hisashi Naito, "Carbon structures and a discrete surface theory", Mathematical Sciences of Visualization and Deeping of Symmetry and Moduli, Online & Osaka City University, March 26, 2021

招待講演（国内）

• (公募A02)藪 浩「自己組織化によるナノ構造高分子微粒子の作製とその応用展開」第47回高分子学会中国四国地区高分子講座,【主題】構造・空間を制御した材料科学, オンライン, 2021 年 12 月 1 日.
• (公募A01)吉田恒也「進化ゲーム理論におけるトポロジカル現象」開放系トポロジーの探求, オンライン, 2021 年 11 月 26 日.
• (公募A01)吉田恒也「拡散現象・進化ゲーム理論におけるトポロジカル端状態」第23回IPBセミナー, オンライン, 2021 年 8 月 31 日.
• (公募A03)伊藤良一「持続可能な社会に向けた酸化グラフェンの触媒応用」第15回酸化グラフェン研究会, オンライン, 2021 年 6 月 25 日.
• (公募B01)辻雄太「固体触媒反応の軌道理論」凝縮系の理論化学2021, 京都大学桂キャンパス, 2021 年 3 月 26 日.
• (A03-2) 内藤久資 「３分岐離散曲面と炭素構造」日本数学会2021年度年会・幾何学分科会特別講演, オンライン, 2021 年 3 月 15 日.
• (公募B01)辻雄太「量子化学計算による接着界面の理論的研究」日本接着学会西部支部若手主催講演会, オンライン, 2021 年 1 月 26 日.