Publications

Paper

    (My paper list in INSPIRE)
  1. QCD phase diagram in a magnetic field with baryon and isospin chemical potentials,
    Y. Hamada, M. Nitta, and Z. Qiu
    hep-ph/2602.11762
  2. Baryons as linked vortices in QCD matter with isospin asymmetry,
    Y. Hamada, M. Nitta, and Z. Qiu
    hep-ph/2509.20844
  3. Black String in the Standard Model,
    Y. Hamada, Y. Hamada, and H. Kimura
    hep-th/2501.05678 published in Phys. Rev. D 111 (2025) 12, 125009
  4. Gravitational Wave Mountains: current-carrying domain walls,
    A. Ghoshal, and Y. Hamada
    hep-ph/2501.01542 published in Phys. Rev. D 112 (2025) 12, 115019
  5. Higgs boson production at $\mu^+\mu^+$ colliders,
    Y. Hamada, R. Kitano, R. Matsudo, S. Okawa, R. Takai, H. Takaura, and L. Treuer
    hep-ph/2408.01068 published in Phys. Rev. D 110 (2024) 11, 113011
  6. Tying knots in particle physics,
    M. Eto, Y. Hamada, and M. Nitta
    hep-ph/2407.11731 published in Phys.Rev.Lett. 135 (2025) 9, 091603
  7. This work is featured in Spektrum Magazine (in German)
    Press Release by Hiroshima U., Keio U., and Yamagata U. 宇宙の結び目が物質の起源?:トポロジーと宇宙誕生の謎 (in Japanese)
  8. Q-Balls in the Presence of Attractive Force,
    Y. Hamada, K. Kawana, T. Kim, and P. Lu
    hep-ph/2407.11115 published in JHEP 08 (2024) 242
  9. Determining Weak-Mixing Angle at $\mu$TRISTAN,
    L. Chen, Y. Hamada, and S. Iguro
    hep-ph/2406.04500
  10. Gravitational wave spectrum from expanding string loops on domain walls: Implication for nanohertz pulsar timing array signal,
    Y. Hamada and W. Nakano
    hep-ph/2405.09599 published in Phys.Rev.D 110 (2024) 8, 083513
  11. Neutrino zeromodes on electroweak strings in light of topological insulators,
    M. Eto, Y. Hamada, R. Jinno, M. Nitta, and M. Yamada
    hep-ph/2402.19417 published in JHEP 06 (2024) 062
  12. A model of pseudo-Nambu-Goldstone dark matter with two complex scalars,
    T. Abe, Y. Hamada, and K. Tsumura
    hep-ph/2401.02397 published in JHEP 05 (2024) 076
  13. Composite topological solitons consisting of domain walls, strings, and monopoles in $O(N)$ models,
    M. Eto, Y. Hamada, and M. Nitta
    hep-th/2304.14143 published in JHEP 08 (2023) 150
  14. Precision $\mu^+ \mu^+$ and $\mu^+ e^-$ elastic scatterings,
    Y. Hamada, R. Kitano, R. Matsudo, and H. Takaura
    hep-ph/2210.11083 published in PTEP 2023 (2023) 013B07
  15. Energy of boundary of spacetime,
    Y. Hamada and N. Matsumoto,
    hep-th/2210.10167 published in PTEP 2023 (2023) 033B02
  16. Quantum current dissipation in superconducting strings and vortons,
    Y. Abe, Y. Hamada, K. Saji, and K. Yoshioka,
    hep-ph/2209.03223 published in JHEP 02 (2023) 004
  17. Understanding anomalous particle production in massless QED via time-varying $\theta$ angle,
    Y. Hamada, R. Kitano, R. Matsudo, K. Mukaida
    hep-th/2206.07402 published in JHEP 09 (2022) 218
  18. A model of pseudo-Nambu-Goldstone dark matter from a softly broken $SU(2)$ global symmetry with a $U(1)$ gauge symmetry,
    T. Abe and Y. Hamada
    hep-ph/2205.11919 published in PTEP 2023 (2023) 033B04
  19. Coleman-Weinberg Abrikosov-Nielsen-Olesen strings,
    M. Eto, Y. Hamada, R. Jinno, M. Nitta, and M. Yamada
    hep-ph/2205.04394 published in PRD 106 (2022) 116002
  20. $\mu$TRISTAN,
    Y. Hamada, R. Kitano, R. Matsudo, H. Takaura, and M. Yoshida
    hep-ph/2201.06664 published in PTEP 2022 (2022) 053B02
  21. Fixed Point Structure of Gradient Flow Exact Renormalization Group for Scalar Field Theories,
    Y. Abe, Y. Hamada, and J. Haruna
    hep-th/2201.04111 published in PTEP 2022 (2022) 033B03
  22. Stable $Z$-strings with topological polarization in two Higgs doublet model,
    M. Eto, Y. Hamada, and M. Nitta,
    hep-ph/2111.13345 published in JHEP 02 (2022) 099
  23. Electroweak-Skyrmion as Asymmetric Dark Matter,
    Y. Hamada, R. Kitano, and M. Kurachi
    hep-ph/2108.12185 published in JHEP 02 (2022) 124
  24. Electroweak axion string and superconductivity,
    Y. Abe, Y. Hamada, and K. Yoshioka,
    hep-ph/2010.02834 published in JHEP 06 (2021) 172
  25. Gravitational instantons and anomalous chiral symmetry breaking,
    Y. Hamada, J. M. Pawlowski, and M. Yamada,
    hep-th/2009.08728 published in PRD 103(2021) 106016
  26. Topological structure of Nambu monopole in Two Higgs doublet models -- Fiber bundle, Dirac's quantization and dyon --,
    M. Eto, Y. Hamada, and M. Nitta,
    hep-th/2007.15587 published in PRD 102(2020) 105018
  27. TeV-scale Majorogenesis,
    Y. Abe, Y. Hamada, T. Ohata, K. Suzuki, and K. Yoshioka,
    hep-ph/2004.00599 published in JHEP 07 (2020) 105
  28. Dynamics of Nambu monopole in two Higgs doublet models -- Cosmological Monopole Collider --,
    M. Eto, Y. Hamada, M. Kurachi, and M. Nitta,
    hep-ph/2003.08772, published in JHEP 07 (2020) 004
  29. Obtaining the sphaleron field configurations with gradient flow,
    Y. Hamada, and K. Kikuchi,
    hep-th/2003.02070, published in PRD 101(2020) 096014
  30. Scalegenesis and fermionic dark matters in the flatland scenario,
    Y. Hamada, K. Tsumura, and M. Yamada,
    hep-ph/2002.03666, published in EPJC 80 (2020) no.5, 368
  31. Topological Nambu monopole in two Higgs doublet models,
    M. Eto, Y. Hamada, M. Kurachi, and M. Nitta,
    hep-ph/1904.09269, published in PLB 802 (2020) 135220
  32. A novel regularization of chiral gauge theory,
    Y. Hamada, H. Kawai, and K. Sakai,
    hep-th/1806.00349
  33. Axial U(1) current in Grabowska and Kaplan’s formulation,
    Y. Hamada and H. Kawai,
    hep-lat/1705.01317, published in PTEP 2017 (2017) 063B09

Thesis

  • Ph.D. Thesis: Non-perturbative Aspects of Higgs Physics in the Standard Model and Beyond,
    Doctor of Science, Mar. 2021, Kyoto University,
    Supervisor: Prof. Hikaru Kawai
  • Master Thesis: カイラルゲージ理論の非摂動的定式化の研究,
    Master of Science, Mar. 2018, Kyoto University,
    Supervisor: Prof. Hikaru Kawai