Publications

Paper

    (My paper list in INSPIRE)
  1. A simple solution to the monopole problem: SU(5) GUT with symmetry breaking into special subgroup,
    Y. Hamada and N. Yamatsu
    hep-ph/2606.12874
  2. The decay rate of metastable cosmic strings beyond the thin-string approximation,
    V. Domcke and Y. Hamada
    hep-ph/2606.03008
  3. QCD phase diagram in a magnetic field with baryon and isospin chemical potentials,
    Y. Hamada, M. Nitta, and Z. Qiu
    hep-ph/2602.11762
  4. Baryons as linked vortices in QCD matter with isospin asymmetry,
    Y. Hamada, M. Nitta, and Z. Qiu
    hep-ph/2509.20844 published as JHEP 02 (2026) 200
  5. Black String in the Standard Model,
    Y. Hamada, Y. Hamada, and H. Kimura
    hep-th/2501.05678 published as Phys. Rev. D 111 (2025) 12, 125009
  6. Gravitational Wave Mountains: current-carrying domain walls,
    A. Ghoshal, and Y. Hamada
    hep-ph/2501.01542 published as Phys. Rev. D 112 (2025) 12, 115019
  7. 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 as Phys. Rev. D 110 (2024) 11, 113011
  8. Tying knots in particle physics,
    M. Eto, Y. Hamada, and M. Nitta
    hep-ph/2407.11731 published as Phys.Rev.Lett. 135 (2025) 9, 091603
    9. 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)
  9. Q-Balls in the Presence of Attractive Force,
    Y. Hamada, K. Kawana, T. Kim, and P. Lu
    hep-ph/2407.11115 published as JHEP 08 (2024) 242
  10. Determining Weak-Mixing Angle at $\mu$TRISTAN,
    L. Chen, Y. Hamada, and S. Iguro
    hep-ph/2406.04500
  11. 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 as Phys.Rev.D 110 (2024) 8, 083513
  12. 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 as JHEP 06 (2024) 062
  13. A model of pseudo-Nambu-Goldstone dark matter with two complex scalars,
    T. Abe, Y. Hamada, and K. Tsumura
    hep-ph/2401.02397 published as JHEP 05 (2024) 076
  14. 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 as JHEP 08 (2023) 150
  15. Precision $\mu^+ \mu^+$ and $\mu^+ e^-$ elastic scatterings,
    Y. Hamada, R. Kitano, R. Matsudo, and H. Takaura
    hep-ph/2210.11083 published as PTEP 2023 (2023) 013B07
  16. Energy of boundary of spacetime,
    Y. Hamada and N. Matsumoto,
    hep-th/2210.10167 published as PTEP 2023 (2023) 033B02
  17. Quantum current dissipation in superconducting strings and vortons,
    Y. Abe, Y. Hamada, K. Saji, and K. Yoshioka,
    hep-ph/2209.03223 published as JHEP 02 (2023) 004
  18. 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 as JHEP 09 (2022) 218
  19. 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 as PTEP 2023 (2023) 033B04
  20. Coleman-Weinberg Abrikosov-Nielsen-Olesen strings,
    M. Eto, Y. Hamada, R. Jinno, M. Nitta, and M. Yamada
    hep-ph/2205.04394 published as PRD 106 (2022) 116002
  21. $\mu$TRISTAN,
    Y. Hamada, R. Kitano, R. Matsudo, H. Takaura, and M. Yoshida
    hep-ph/2201.06664 published as PTEP 2022 (2022) 053B02
  22. 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 as PTEP 2022 (2022) 033B03
  23. Stable $Z$-strings with topological polarization in two Higgs doublet model,
    M. Eto, Y. Hamada, and M. Nitta,
    hep-ph/2111.13345 published as JHEP 02 (2022) 099
  24. Electroweak-Skyrmion as Asymmetric Dark Matter,
    Y. Hamada, R. Kitano, and M. Kurachi
    hep-ph/2108.12185 published as JHEP 02 (2022) 124
  25. Electroweak axion string and superconductivity,
    Y. Abe, Y. Hamada, and K. Yoshioka,
    hep-ph/2010.02834 published as JHEP 06 (2021) 172
  26. Gravitational instantons and anomalous chiral symmetry breaking,
    Y. Hamada, J. M. Pawlowski, and M. Yamada,
    hep-th/2009.08728 published as PRD 103(2021) 106016
  27. 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 as PRD 102(2020) 105018
  28. TeV-scale Majorogenesis,
    Y. Abe, Y. Hamada, T. Ohata, K. Suzuki, and K. Yoshioka,
    hep-ph/2004.00599 published as JHEP 07 (2020) 105
  29. 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 as JHEP 07 (2020) 004
  30. Obtaining the sphaleron field configurations with gradient flow,
    Y. Hamada, and K. Kikuchi,
    hep-th/2003.02070, published as PRD 101(2020) 096014
  31. Scalegenesis and fermionic dark matters in the flatland scenario,
    Y. Hamada, K. Tsumura, and M. Yamada,
    hep-ph/2002.03666, published as EPJC 80 (2020) no.5, 368
  32. Topological Nambu monopole in two Higgs doublet models,
    M. Eto, Y. Hamada, M. Kurachi, and M. Nitta,
    hep-ph/1904.09269, published as PLB 802 (2020) 135220
  33. A novel regularization of chiral gauge theory,
    Y. Hamada, H. Kawai, and K. Sakai,
    hep-th/1806.00349
  34. Axial U(1) current in Grabowska and Kaplan’s formulation,
    Y. Hamada and H. Kawai,
    hep-lat/1705.01317, published as 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

© 2020 Yu HAMADA