Refereed papers and preprints:
Guanyu Zhu, Ryohei Kobayashi, Po-Shen Hsin, “Non-Abelian qLDPC: TQFT Formalism, Addressable Gauging Measurement and Application to Magic State Fountain on 2D Product Codes”, arXiv:2601.06736.
Yitao Feng, Hanyu Xue, Ryohei Kobayashi, Po-Shen Hsin, Yu-An Chen, “Pauli stabilizer formalism for topological quantum field theories and generalized statistics”, arXiv:2601.00064.
Po-Shen Hsin, Ryohei Kobayashi, “Automorphism in Gauge Theories: Higher Symmetries and Transversal Non-Clifford Logical Gates”, arXiv:2511.15783.
Ryohei Kobayashi, Guanyu Zhu, Po-Shen Hsin, “Clifford Hierarchy Stabilizer Codes: Transversal Non-Clifford Gates and Magic”, arXiv:2511.02900.
Yitao Feng, Yu-An Chen, Po-Shen Hsin, Ryohei Kobayashi, “Onsiteability of Higher-Form Symmetries”, arXiv:2510.23701.
Yitao Feng, Hanyu Xue, Yuyang Li, Meng Cheng, Ryohei Kobayashi, Po-Shen Hsin, Yu-An Chen, “Anyonic membranes and Pontryagin statistics”, arXiv:2509.14314.
Yitao Feng, Ryohei Kobayashi, Yu-An Chen, Shinsei Ryu, “Higher-Form Anomalies on Lattices”, Physical Review Letters 136, 046504 (2026).
Ryohei Kobayashi, Haruki Watanabe, “Projective Representations, Bogomolov Multiplier, and Their Applications in Physics”, arXiv:2507.12515.
Po-Shen Hsin, Ryohei Kobayashi, “Generalized Hall Conductivities in Local Commuting Projector Models: Generalized Symmetries and Protected Surface Modes”, arXiv:2505.20384. Accepted in Physical Review B.
Po-Shen Hsin, Ryohei Kobayashi, Abhinav Prem, “Higher-Form Anomalies Imply Intrinsic Long-Range Entanglement”, arXiv:2504.10569.
Po-Shen Hsin, Ryohei Kobayashi, Carolyn Zhang, “Anomalies of Coset Non-Invertible Symmetries”, arXiv:2503.00105. SciPost Physics 20, 006 (2026).
Ryohei Kobayashi, Maissam Barkeshli, “Soft symmetries of topological orders”, arXiv:2501.03314.
Ryohei Kobayashi, Yuyang Li, Hanyu Xue, Po-Shen Hsin, Yu-An Chen, “Generalized Statistics on Lattices”, Physical Review X 16, 011010 (2026).
Po-Shen Hsin, Ryohei Kobayashi, Guanyu Zhu, “Classifying Logical Gates in Quantum Codes via Cohomology Operations and Symmetry”, arXiv:2411.15848.
Po-Shen Hsin, Ryohei Kobayashi, Carolyn Zhang, “Fractionalization of Coset Non-Invertible Symmetry and Exotic Hall Conductance”, SciPost Physics 17, 095 (2024).
Ryohei Kobayashi, Yuxuan Zhang, Naren Manjunath, Maissam Barkeshli, “Crystalline invariants of fractional Chern insulators”, Physical Review B 112, 035147 (2025).
Po-Shen Hsin, Ryohei Kobayashi, Guanyu Zhu, “Non-Abelian Self-Correcting Quantum Memory and Transversal Non-Clifford Gate beyond the $n^{1/3}$ Distance Barrier”, arXiv:2405.11719. PRX Quantum 6, 040360 (2025).
Ryohei Kobayashi, Taige Wang, Tomohiro Soejima, Roger S. K. Mong, Shinsei Ryu, “Higher Hall conductivity from a single wave function: Obstructions to symmetry-preserving gapped edge of (2+1)D topological order”, Physical Review B 111, 245136 (2025).
Ryohei Kobayashi, Yuxuan Zhang, Yan-Qi Wang, Maissam Barkeshli, “(2+1)D topological phases with RT symmetry: many-body invariant, classification, and higher order edge modes”, Physical Review B 112, 235111 (2025).
Maissam Barkeshli, Po-Shen Hsin, Ryohei Kobayashi, “Higher-group symmetry of (3+1)D fermionic Z2 gauge theory: logical CCZ, CS, and T gates from higher symmetry”, SciPost Physics 16, 122 (2024).
Ryohei Kobayashi, Guanyu Zhu, “Fault-tolerant logical gates via constant depth circuits and emergent symmetries on non-orientable topological stabilizer and Floquet codes”, PRX Quantum 5, 020360 (2024).
Yuxuan Zhang, Naren Manjunath, Ryohei Kobayashi, Maissam Barkeshli, “Complete crystalline topological invariants from partial rotations in (2+1)D invertible fermionic states and Hofstadter’s butterfly”, Physical Review Letters 131, 176501.
Ryohei Kobayashi, Taige Wang, Tomohiro Soejima, Roger S. K. Mong, Shinsei Ryu, “Extracting higher central charge from a single wave function”, Physical Review Letters 132, 016602 (2024).
Ryohei Kobayashi, “Fermionic defects of topological phases and logical gates”, SciPost Physics 15, 028 (2023).
Maissam Barkeshli, Yu-An Chen, Po-Shen Hsin, Ryohei Kobayashi, “Higher-group symmetry in finite gauge theory and stabilizer codes”, SciPost Physics 16, 089 (2024).
Maissam Barkeshli, Yu-An Chen, Sheng-Jie Huang, Ryohei Kobayashi, Nathanan Tantivasakarn, Guanyu Zhu, “Codimension-2 defects and higher symmetries in (3+1)D topological phases”, SciPost Physics 14, 065 (2023).
Ryohei Kobayashi, “Symmetry-preserving boundary of (2+1)D fractional quantum Hall states”, Physical Review Research 4, 033137 (2022).
Ryohei Kobayashi, Maissam Barkeshli, “(3+1)D path integral state sums on curved U(1) bundles and U(1) anomalies of (2+1)D topological phases”, Physical Review B 110, 155140 (2024). Editors’ Suggestion.
Ryohei Kobayashi, “Lattice construction of exotic invertible topological phases”, Physical Review B 105, 035153 (2021).
Srivatsa Tata, Ryohei Kobayashi, Daniel Bulmash, Maissam Barkeshli, “Anomalies in (2+1)D fermionic topological phases and (3+1)D path integral state sums for fermionic SPTs”, Communications in Mathematical Physics 397, 199–336 (2023).
Ryohei Kobayashi, Yasunori Lee, Ken Shiozaki, Yuya Tanizaki, “Topological terms of (2+1)d flag-manifold sigma models”, Journal of High Energy Physics 08 (2021) 075 (2021).
Ryohei Kobayashi, “Anomaly constraint on chiral central charge of (2+1)d topological order”, Physical Review Research 3, 023107 (2021).
Ryohei Kobayashi, “Commuting projector models for (3+1)d topological superconductors via string net of (1+1)d topological superconductors”, Physical Review B 102, 075135 (2020).
Kansei Inamura, Ryohei Kobayashi, Shinsei Ryu, “Non-local Order Parameters and Quantum Entanglement for Fermionic Topological Field Theories”, Journal of High Energy Physics 01 (2020) 121 (2020).
Ryohei Kobayashi, “Pin TQFT and Grassmann integral”, Journal of High Energy Physics 12 (2019) 014 (2019).
Ryohei Kobayashi, Kantaro Ohmori, Yuji Tachikawa, “On gapped boundaries for SPT phases beyond group cohomology”, Journal of High Energy Physics 11 (2019) 131 (2019).
Ryohei Kobayashi, Ken Shiozaki, “Anomaly indicator of rotation symmetry in (3+1)D topological order”, arXiv:1901.06195.
Ryohei Kobayashi, Ken Shiozaki, Yuta Kikuchi, Shinsei Ryu, “Lieb-Schultz-Mattis type theorem with higher-form symmetry and the quantum dimer models”, Physical Review B 99, 014402 (2019). Editors’ Suggestion.
Ryohei Kobayashi, Yuya O. Nakagawa, Yoshiki Fukusumi, Masaki Oshikawa, “Scaling of polarization amplitude in quantum many-body systems in one dimension”, Physical Review B 97, 165133 (2018).
Kohei Kawabata, Ryohei Kobayashi, Ning Wu, Hosho Katsura, “Exact zero modes in twisted Kitaev chains”, Physical Review B 95, 195140 (2017).