Talks

Invited Seminar

  1. University of Montpellier, Seminar at Laboratoire Univers et Particules de Montpellier
    13 Feb. 2025
    "Magnetic monopole in two-Higgs doublet model"
  2. University of Warsaw, Cosmology Seminar
    12 Dec. 2024
    "Gravitational wave from decaying domain wall and its remnant"
  3. KEK Theory Seminar
    29 Oct. 2024
    "Gravitational wave from current-carrying domain walls"
  4. 東京女子大理論物理研究室セミナー
    28 Oct. 2024
    "Knotted cosmic strings in early universe"
  5. 京大素粒子論研究室セミナー
    16 Oct. 2024
    "Knotted cosmic strings in early universe"
  6. 東大本郷素粒子論研究室セミナー
    11 Oct. 2024
    "Non-relativistic effective field theory of axion-electron system"
  7. Majorana-Raychaudhuri Seminars
    16 Aug. 2024, online
    "Gravitational wave spectrum from expanding string loops on domain walls"
    8. Watch on YouTube
  8. KIAS HEP-PH Seminar
    2 Jul. 2024, online
    "Neutrino zeromodes on electroweak strings in light of topological insulators"
  9. 九州大素粒子論研究室セミナー
    20 Jun. 2024, online
    "Neutrino zeromodes on electroweak strings in light of topological insulators"
  10. Séminaires Mathématiques-Physique, Bourgogne University
    11 Jun. 2024
    "Knotted cosmic strings in particle physics models"
  11. Seminar, Karlsruhe Institute of Technology
    5 Dec. 2023
    "$\mu$TRISTAN: $\mu^+\mu^+$ and $\mu^+ e^-$ lepton collider"
  12. 東京理科大素粒子論研究室セミナー
    22 May. 2023
    "古典的スケール不変性を持った素粒子模型におけるトポロジカルソリトンとその相互作用について"
  13. ジョイントセミナー@東大RESCUE
    15 May. 2023
    "Link soliton in models with B-L and Peccei-Quinn symmetries"
  14. 東北大学素粒子・宇宙理論グループセミナー
    11 May 2023
    "Linked strings and superconducting strings in $U(1) \times U(1)$ model"
  15. 金沢大学素粒子論研究室セミナー
    12 Jan. 2023
    "Knot soliton in models with B-L and Peccei-Quinn symmetries"
  16. 信州大学素粒子論研究室セミナー
    13 Dec. 2022
    "Coleman-Weinberg Abrikosov-Nielsen-Olesen strings"
  17. 大阪大学素粒子論研究室セミナー
    26 Jul. 2022
    "Coleman-Weinberg Abrikosov-Nielsen-Olesen strings"
  18. 東京大学原子核理論研究室セミナー
    15 Jul. 2022
    "Coleman-Weinberg Abrikosov-Nielsen-Olesen strings"
  19. High Energy Seminar, Florida State University
    1 Jul. 2022
    "Electroweak-Skyrmion as Asymmetric Dark Matter"
  20. High Energy Seminar, Florida State University
    22 Apr. 2022
    "$\mu$TRISTAN"
  21. High Energy Physics Seminars, National Yang Ming Chiao Tung University (NYCU)
    1 Mar. 2022
    "Nambu monopole in two Higgs doublet models"
  22. 金沢大学 素粒子・宇宙・理論物理研究室 セミナー
    28 Jan. 2022
    "Electroweak-Skyrmion as Asymmetric Dark Matter"
  23. 京大素粒子論研究室セミナー
    12 Nov. 2021
    "Electroweak-Skyrmion as Asymmetric Dark Matter"
  24. 2021 Fall KIAS HEP Seminar Series
    19 Oct. 2021
    "Electroweak-Skyrmion as Asymmetric Dark Matter"
  25. Particle physics seminar, University of Delaware
    28 Sep. 2021
    "Nambu monopole in two Higgs doublet models"
  26. 名古屋大学E研セミナー
    10 Feb. 2021
    "Gravitational instantons and anomalous chiral symmetry breaking"
  27. 埼玉大学素粒子論研究室セミナー
    20 Nov. 2020
    "Topological Nambu monopole in two Higgs doublet models"
  28. 東京大学 理学部物理学科 素粒子論研究室セミナー
    16 Nov. 2020,
    "Electroweak axion string and superconductivity"
  29. On-line "Newton 1665" seminars – phenomenology/theory/astro/cosmo
    29 Oct. 2020,
    "Electroweak axion string and superconductivity" (talk video on YouTube)
  30. 慶應素粒子論セミナー
    26 Oct. 2020
    "Electroweak axion string and superconductivity"
  31. 九州大学素粒子論研究室セミナー
    30 Jun. 2020
    "Topological Nambu monopole in two Higgs doublet models"
  32. 大阪大学素粒子論研究室セミナー
    16 Jun. 2020
    "Sphaleron from gradient flow"
  33. 高エネルギー加速器研究機構 理論セミナー
    12 May 2020
    "Topological Nambu monopole in two Higgs doublet models"
  34. Asymptotic safety seminar
    23 Mar. 2020
    "Scalegenesis and fermionic dark matters in the flatland scenario"
  35. 北海道大学素粒子論研究室セミナー
    6 Dec. 2019
    "Stable Nambu monopole in two Higgs doublet models"
  36. Heidelberg University Cold Quantum Coffee
    22 Oct. 2019
    "Stable magnetic monopole in two Higgs doublet models"
  37. 立教大学理論物理学研究室コロキウム(素粒子)
    15 Oct. 2019
    "Axial U(1) current in Grabowska and Kaplan’s formulation"
  38. 新潟大学素粒子論研究室セミナー
    6 Jun. 2019
    "Stable magnetic monopole in two Higgs doublet models"
  39. 名古屋大学素粒子論研究室セミナー
    13 Nov. 2018
    "Gauge invariant regularization for perturbative chiral gauge theory"
  40. 慶應義塾大学 topological science project seminar
    31 Oct. 2018
    "Gauge invariant regularization for perturbative chiral gauge theory"
  41. 大阪大学素粒子論研究室セミナー
    16 Oct. 2018
    "Axial U(1) current in the Grabowska and Kaplan's formulation"
  42. 奈良女子大学素粒子論研究室セミナー
    20 Jul. 2018
    "カイラルゲージ理論のゲージ対称性を保つ新しい正則化について"
  43. 京産大益川塾セミナー
    18 Jun. 2018
    "Axial U(1) current in the Grabowska and Kaplan's formulation"
  44. 高エネルギー加速器研究機構理論セミナー
    11 Jul. 2017
    "Axial U(1) current in Grabowska and Kaplan’s formulation"

English Talks

  1. IAS Program on Fundamental Physics (FP 2025)
    15 Jan 2025, HKUST Honk Kong
    "Knotted Cosmic Strings and Gravitational Wave"
  2. Hearing Beyond The Standard Model With Cosmic Sources Of Gravitational Waves
    10 Jan 2025, ICTS India
    "Gravitational waves from charge-carrying domain wall"
  3. 3rd Quanutm Universe Day 2024
    19 November 2024, DESY
    "Gravitational waves from charge-carrying domain wall"
  4. DESY Theory Workshop 2024
    25 September 2024, DESY
    "Gravitational wave spectrum from expanding string loop on domain wall"
  5. LFC24 - Fundamental Interactions at Future Colliders
    19 September 2024, Trieste SISSA
    [invited talk] "$\mu$Tristan"
  6. Cosmology with Gravitational Waves
    4 September 2024, Hannover U. ITP
    [invited talk] "Gravitational wave from expanding string loops on domain walls"
  7. PLANCK2024 - The 26th Conference From Planck Scale to the Electroweak Scale
    4 June 2024, Lisbon
    "A model of pseudo-Nambu-Goldstone dark matter with two complex scalars"
  8. 4th EuCAPT Annual Symposium
    16 May 2024, CERN
    "Analytic derivation of gravitational wave spectrum from expanding string loop on domain wall"
  9. 4th Quanutm Universe Day 2023
    21 November 2023, DESY
    "Knot soliton consisting of cosmic strings and probing through gravitational wave"
  10. 24th New Physics Forum
    13 June 2023, Ochanomizu U.
    [invited talk] "Linked cosmic strings in model with QCD axion and gauged B-L symmetry"
  11. HPNP2023 - The 6th International Workshop on "Higgs as a Probe of New Physics 2023"
    5-9 June 2023, Osaka U.
    "Link soliton in models with $U(1)_{global}$ and $U(1)_{gauge}$ symmetries"
  12. Kobe Workshop on Cosmology and Fundamental Physics 2023
    18-21 Mar. 2023, Kobe U.
    [invited talk] "Link soliton in models with B-L and Peccei-Quinn symmetries"
  13. KEK Theory Meeting on Particle Physics Phenomenology (KEK-PH2022)
    1 Dec. 2022, KEK
    "Coleman-Weinberg Abrikosov-Nielsen-Olesen strings"
  14. New Higgs Working Group the 35th regular meeting
    18 Nov 2022, Osaka Univ., Japan
    "Electroweak-Skrymion as Asymmetric Dark Matter"
  15. 26th International Summer Institute on Phenomenology of Elementary Particle Physics and Cosmology (SI2022)
    18-22 Sep. 2022, Fuji-Yoshida
    "Electroweak-Skrymion as Asymmetric Dark Matter"
  16. 6th KEK-PH + 2nd KEK-COSMO joint mini-workshop
    9-10 Mar. 2022, online
    [invited talk] "Electroweak-Skrymion as Asymmetric Dark Matter"
  17. Asia-Pacific Workshop on Particle Physics and Cosmology 2021
    2-6 Aug. 2021, online
    [invited talk] "Electroweak axion string and superconductivity"
  18. Sixteenth Marcel Grossmann Meeting
    5 Jul. 2021, online
    "Electroweak axion string and superconductivity"
  19. Workshop on Asymptotic Safety and Dark Matter
    9 Dec. 2020, online
    [invited talk] "Scalegenesis and fermionic dark matters in the flatland scenario"
  20. 10th International Conference on Exact Renormalization Group 2020 (ERG2020)
    3 Nov. 2020
    "Gravitational instantons and anomalous chiral symmetry breaking"
  21. Zooming in on Strings and Vortons
    22 Oct. 2020, CERN Virtual Axion Institute
    [invited talk] "Electroweak axion string and superconductivity" (talk video on YouTube)
  22. KEK Theory Meeting on Particle Physics Phenomenology (KEK-PH2020)
    18-21 Feb. 2020, KEK
    "Dynamics of Nambu monopole in two Higgs doublet models"
  23. 25th International Summer Institute on Phenomenology of Elementary Particle Physics and Cosmology (SI2019)
    18-23 August 2019, Gangneung, Korea
    "Stable magnetic monopole in two Higgs doublet models"
  24. New Higgs Working Group the 25th regular meeting
    11-12 May 2019, Osaka Univ., Japan
    "Stable magnetic monopole in two Higgs doublet models"
  25. Joint Kyoto/NTU HEP Workshop 2018
    23-27 Nov. 2018, OIST, Japan
    "Gauge invariant regularization for perturbative chiral gauge theory"
  26. 24th International Summer Institute on Phenomenology of Elementary Particle Physics and Cosmology (SI2018)
    12-17 Aug. 2018, Tianjin, China
    "Gauge invariant regularization for perturbative chiral gauge theory"
  27. Strings and Fields 2018
    30 Jul. - 3 Aug. 2018, YITP
    "Gauge invariant regularization for perturbative chiral gauge theory"
  28. 2017 Kyoto NTU Workshop
    24-26 Nov. 2017, National Taiwan Univ.
    "Axial U(1) current in Grabowska and Kaplan’s formulation"

Japanese Talks

  1. 日本物理学会 2025 春季大会
    18 Mar. 2025, オンライン
    (若手奨励賞受賞講演) "拡張ヒッグス模型における新しいトポロジカルソリトンの研究"
  2. 第9回ドイツ物理学・応用物理学セミナー
    7 Feb. 2025, Max Planck Institute for Solid State Research, Stuttgart
    [invited talk] "素粒子物理と宇宙ひも"
  3. 日本物理学会 2024 春季大会
    21 Mar. 2024, オンライン
    "Knotted comic strings and probing through gravitational waves"
  4. 基研研究会 素粒子物理学の進展2023
    30 Aug. 2023, YITP & online
    "Link soliton in models with B-L and Peccei-Quinn symmetries"
  5. 場の理論と弦理論2023
    4 Aug. 2023, YITP & online
    "Link soliton in models with $U(1)\times U(1)$ symmetries"
  6. 日本物理学会 2023 春季大会
    22 Mar. 2023, オンライン
    "Link soliton in model with $U(1)_{B-L}$ and $U(1)_{PQ}$ symmetries"
  7. Kagoshima Workshop on Particles, Fields and Strings 2023
    19-22 Feb. 2023, Sunplaza Tenmonkan, Kagoshima
    [invited talk] "Link soliton in model with $U(1)_{B-L}$ and $U(1)_{PQ}$ symmetries"
  8. Frontiers in Gravity and Fundamental Physics (YU Workshop 2022)
    26-27 Nov. 2022, Yamagata U.
    [invited talk] "Link soliton in models with B-L and Peccei-Quinn symmetries"
  9. 日本物理学会 2022 秋季大会
    8 Sep. 2022, 岡山理科大学
    "Coleman-Weinberg Abrikosov-Nielsen-Olesen strings"
  10. 基研研究会 素粒子物理学の進展2022 (PPP2022)
    1 Sep. 2022, YITP
    "Coleman-Weinberg Abrikosov-Nielsen-Olesen strings"
  11. 場の理論と弦理論 2022
    19 Aug. 2022, YITP
    "Coleman-Weinberg Abrikosov-Nielsen-Olesen strings"
  12. 日本物理学会 2022 年次大会
    16 Mar. 2022, オンライン
    "Electroweak-Skrymion as Asymmetric Dark Matter"
  13. 日本物理学会 2021 秋季大会
    17 Sep. 2021, オンライン
    "Revisit on stability of electroweak string in Standard Model"
  14. 日本物理学会 2021 秋季大会
    17 Sep. 2021, オンライン
    "Vortex molecule in two Higgs doublet model"
  15. 日本物理学会 2021 秋季大会
    16 Sep. 2021, オンライン
    "Sphaleron and deformed sphaleron in SU(2) x U(1) electroweak theory"
  16. 日本物理学会 2021 春季大会
    13 Mar. 2021, オンライン
    "電弱バリオン数生成とモノポール触媒効果"
  17. 素粒子現象論研究会2020
    26-28 Nov. 2020, 大阪市立大学
    "Topological Nambu monopole in two Higgs doublet models"
  18. 日本物理学会 2020 秋季大会
    16 Sep. 2020, オンライン
    "Sphaleron from gradient flow"
  19. 日本物理学会 2020 秋季大会
    16 Sep. 2020, オンライン
    "Dirac's quantization condition of Nambu monopole and electroweak dyon in two Higgs doublet models"
  20. 基研研究会 素粒子物理学の進展2020 (PPP2020)
    3 Sep. 2020, オンライン
    "Gravitational instantons and anomalous chiral symmetry breaking"
  21. 素粒子若手オンライン研究会
    27 Aug. 2020, オンライン
    "Gravitational instantons and anomalous chiral symmetry breaking"
  22. 日本物理学会 2020 春季大会
    Mar. 2020 (現地開催中止, オンライン)
    "Dynamics of Nambu monopole in two Higgs doublet models"
  23. 日本物理学会 2019 秋季大会
    17-20 Sep. 2019, 山形大学
    "Stable magnetic monopole in two Higgs doublet models"
  24. 三者若手夏の学校 2019
    5-10 Aug. 2019, 白浜荘
    "Stable magnetic monopole in two Higgs doublet models"
  25. 基研研究会 素粒子物理学の進展2019 (PPP2019)
    29 Jul. - 2 Aug. 2019, YITP
    "Stable magnetic monopole in two Higgs doublet models"
  26. 日本物理学会 2018 秋季大会
    14-17 Sep. 2018, 信州大学
    "カイラルゲージ理論のゲージ対称性を保つ正則化とU(1) アノマリー"
  27. 基研研究会 素粒子物理学の進展2018 (PPP2018)
    6-10 Aug. 2018,
    "カイラルゲージ理論のゲージ対称性を保つ新しい正則化"
  28. 関西地域セミナー2018
    23 Jun. 2018, 京都大学
    "カイラルゲージ理論のゲージ対称性を保つ新しい正則化について"
  29. 日本物理学会 2018 春季大会
    22-25 Mar. 2018, 東京理科大学
    "摂動論的カイラルゲージ理論のゲージ対称性を保つ新しい正則化について"
  30. 日本物理学会 2017 秋季大会
    12-15 Sep. 2017, 宇都宮大学
    "Axial U(1) current in Grabowska and Kaplan’s formulation"
  31. 三者若手夏の学校 2017
    21-26 Aug. 2017, 国立オリンピック記念青少年総合センター
    "Axial U(1) current in Grabowska and Kaplan’s formulation"
  32. 三者若手夏の学校 2016
    31 Jul. - 5 Aug. 2016, 黒姫ライジングサンホテル
    "Kaluza-Klein theories"(Review)

Poster

  1. COSMO'24
    21-25 Oct 2024, Kyoto U
    "Gravitational wave spectrum from expanding string loop on domain wall"
  2. 4th EuCAPT Annual Symposium
    14-16 May 2024, CERN
    "Analytic derivation of gravitational wave spectrum from expanding string loop on domain wall"
  3. 基研研究会 素粒子物理学の進展2021 (PPP2021)
    6-10 Sep. 2021, オンライン
    "Sphaleron and deformed sphaleron in SU(2)xU(1) electroweak theory"
  4. Higgs as a Probe of New Physics (HPNP 2021)
    25-27 Mar. 2021, Online
    "Electroweak axion string and superconductivity"
  5. Kashiwa Dark Matter symposium 2020
    16-20 Nov. 2020, Online
    "Electroweak axion string and superconductivity"
  6. KEK Theory Meeting on Particle Physics Phenomenology (KEK-PH2018 winter) and 3rd KIAS-NCTS-KEK workshop on Particle Physics Phenomenology
    4-7 Dec. 2018, KEK
    "Gauge invariant regularization for perturbative chiral gauge theory"

Local Talks

  1. Working Group on Two-Higgs Doublet Models
    6 Feb 2025,
    "Magnetic monopole in two-Higgs doublet model"
  2. Future Colliders @ DESY Meeting
    21 Jun 2024,
    "$\mu$TRISTAN: $\mu^+ \mu^+$ and $\mu^+ e^-$ colliders"
  3. DESY FH Fellow Meeting 2024
    14 Jun 2024,
    "muTRISTAN: mu+ mu+ and mu+ e- colliders"
  4. DESY Theory Fellows Meeting
    6 Dec 2023,
    "Topological solitons as probes of new physics"
  5. KEK Journal Club
    3 Jul 2023,
    "Quantum stability of superconducting current on cosmic strings in $U(1) \times U(1)$ model"
  6. KEK Journal Club
    23 Jan 2023,
    "Link soliton in models with B-L and Peccei-Quinn symmetries"
  7. KEK Journal Club
    14 May 2021,
    "Sphaleron and deformed sphaleron in SU(2) x U(1) electroweak theory"
  8. 京大素粒子論ジャーナルクラブ
    18 Dec. 2019,
    Review on "Electroweak Symmetric Dark Matter Balls" (arXiv:1906.10739 [hep-ph])
  9. 第17回関西現象論勉強会
    18 Oct. 2019,京都キャンパスプラザ,
    Review on "Domain Walls in QCD" and "Domain Walls and Vortices in Chiral Symmetry Breaking"
  10. 京大素粒子論ジャーナルクラブ
    10 Apr. 2019,
    Review on "Electroweak Phase Transition and Baryogenesis in Composite Higgs Models" (arXiv:1804.07314 [hep-ph])

© 2020 Yu HAMADA