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Position
Ph.D. Candidate

Affiliation
Department of Physics, Kyoto University, Particle Physics Group

ORCID
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Contact
shunta_at_gauge.scphys.kyoto-u.ac.jp (please change "_at_" to "@")

Research Interests

Major: Particle Physics (hep-th, quant-ph, math-ph)

Subcategories
  1. quanutm information theoretic aspects of quantum gravity on AdS/CFT, flat/BMS, dS/CFT
  2. non-invertible symmetry in topological field theory (TQFT), lattice model, and SPT phase
  3. quantum error correction

Notes

  • Tensor product in linear algebra: [pdf] [Japanese web page]
  • Gauge color code (in progress): [pdf]
  • Subsystem code & Floquet code (in progress): [pdf]
  • Mathematics for \((2+1)\)d symTFT (in progress, collaboration with Toshinori Takama): [pdf]
  • Lattice surgery & magic state injection (in progress): [pdf]
  • fermionic toric code (in progress): [pdf]
  • Measurement-based quantum computation (in progress):
  • Kitaev chain

Publications

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  1. P.-X. Hao, K. Shinmyo, Y.-k. Suzuki, S. Takahashi,
    "More on Bulk Local State in Flat Holography,"
    [arXiv:2603.11993]
  2. P.-X. Hao and S. Takahashi
    "Conformal Blocks in 2d Carrollian/Galilean CFTs and Excited State Entanglement Entropy"
    [arXiv:2510.25688]
  3. P.-X. Hao, K. Shinmyo, Y.-k. Suzuki, S. Takahashi and T. Takayanagi,
    "Bulk Reconstruction of Scalar Excitations in Flat\(_3\)/CCFT\(_2\) and the Flat Limit from (A)dS\(_3\)/CFT\(_2\),"
    JHEP 11 (2025) 054, [arXiv:2505.20084]
  4. S. Takahashi,
    "Anyon Condensation in Virasoro TQFT: Wormhole Factorization,"
    JHEP 06 (2025) 243, [arXiv:2412.11486]
Outside theoretical physics
  1. K. Hiroto, S. Nogi, Y. Kikukawa, S. Takahashi, et al.
    "Development of a Wooden CubeSat-LignoSat."
    Journal of Evolving Space Activities 2 (2024): 218. (Aerospace Engineering)

Talks

  1. 〇S. Takahashi, “Symmetry TFT for Average Symmetries and Phase Transitions”, The 71st YONUPA Summer School, Youth Education National Olympics Memorial Youth Center, Aug. 8, 2025 【poster】
  2. 〇S. Takahashi, “Anyon Condensation and SymTFT in Quantum Gravitational TQFT”, String and Fields 2025, YITP, Aug. 1, 2025 【poster, English】 [pdf]
  3. P.-X. Hao, Y.-k. Suzuki, K. Shinmyo, 〇S. Takahashi, T. Takayanagi, 「平坦ホログラフィーにおける局所励起状態の構成と AdS\(_3\)/CFT\(_2\), dS\(_3\)/CFT\(_2\) からの帰結」, Osaka University, Jul. 25, 2025 【invited talk, English】
  4. 〇S. Takahashi, “Anyon Condensation in Quantum Gravitational TQFT”, TSVP Symposium: Aspects of Generalized Symmetries, Okinawa Institute of Science and Technology, Jun. 17, 2025 【poster, English】
  5. 〇S. Takahashi, 「Quantum Gravity and Continuous Non-invertible Symmetries: Gauging Wormholes by Anyon Condensation」, 有限群論・駒場セミナー, 東京大学, May. 12, 2025 【invited talk】
  6. 〇S. Takahashi, “Quantum Gravity and Continuous Non-invertible Symmetries: Gauging Wormholes by Anyon Condensation”, Seminar in the University of Tokyo High Energy Physics Group, The University of Tokyo, Mar. 10, 2025 【invited talk, English】
  7. N. Ogawa, 〇S. Takahashi, T. Tsuda, T. Waki, 題目「\(H_3^+\) -WZW モデルによる celestial CFT の構成」, 日本物理学会第79回年次大会（2024年）, 北海道大学, Sep. 18, 2024 【talk】
  8. 〇S. Takahashi, 「3d Quantum Gravity and Virasoro TQFT」, 第 3 回「極限宇宙」若手研究会, グランドパーク小樽, Sep. 13, 2024 【poster, review】
  9. 〇S. Takahashi, 「Higher Form Symmetries in M-/F-Theory」, 原子核三者若手夏の学校 2024, 国立オリンピック記念青少年総合センター, Aug. 13, 2024 【talk】
  10. 〇S. Takahashi, 「AdS/CFT 対応」, 原子核三者若手夏の学校 2023, 国立オリンピック記念青少年総合センター, Aug. 19, 2023 【poster, review】

Affiliations

Sep. 2025 -

Visiting Student

Perimeter Institute for Theoretical Physics


Apr. 2025 -

Ph.D.

Department of Physics, Kyoto University


Apr. 2023 - Mar. 2025

MSc

Research Institute for Mathematical Science, Kyoto University


Apr. 2020 - Mar. 2023

BSc (Incomplete, for early admission to graduate school)

Faculty of Science, Kyoto University


Apr. 2017 - Mar. 2020

Seiko Gakuin High School (Yokohama)