Publications

This page lists publications produced by the Watanabe Group at HKUST. For a complete list of Prof. Watanabe's publications including earlier work, see Google Scholar, arXiv, or the PDF CV.

Asterisk denotes corresponding author. Watanabe Group members at the time of publication are bolded.

Preprints

  1. S. Sengoku, H. Watanabe*, Absence of nontrivial local conserved quantities in a class of U(1)-symmetric spin-1 chains, arXiv:2608.17548.
  2. W. Cao, H. Watanabe*, Quantized topological invariant of symmetry-projected Gibbs states, arXiv:2608.04350.
  3. W. Cao, H. Watanabe*, Distinct finite-temperature phase diagrams of non-invertible Kennedy–Tasaki duals, arXiv:2607.24231.
  4. H. Watanabe*, Phase distinction of Gibbs states without symmetry breaking: topological invariants of the 3D toric code, arXiv:2607.00134.
  5. S. Watanabe, Y. Motome, H. Watanabe*, Topological Phase Transitions and Their Thermodynamic Fate in Arbitrary-S Pyrochlore Spin Ice, arXiv:2604.04346.
  6. S. Watanabe, Y. Motome, H. Watanabe*, Dualities and Topological Classification of the S=1 Pyrochlore Spin Ice, arXiv:2603.03852.
  7. S. Watanabe, H. Watanabe*, Gauge-invariant electromagnetic responses in superconductors, arXiv:2501.13722.
  8. S. Watanabe, H. Watanabe*, A gauge-invariant formulation of optical responses in superconductors, arXiv:2410.18679.

Refereed Papers

  1. C.-g. Oh, H. Watanabe, N. Tsuji*, Third-harmonic generation in superconductors: Role of quantum geometry in the competition between Higgs mode and quasiparticles, Phys. Rev. B 114, 074508 (2026).
  2. S. Watanabe, Y. Motome, H. Watanabe*, Continuous crossover between high-pressure ice phases VII and X driven by monopole screening: a model study, Phys. Rev. B 114, 094108 (2026).
  3. S. Watanabe, Y. Motome, H. Watanabe*, Monte Carlo Study of the Phase Transition of the XY Model on a Diamond Lattice, J. Phys. Soc. Jpn. 95, 085002 (2026).
  4. S. Ono, R. Masaoka, H. Watanabe, H. C. Po*, Frustration-free free fermions, Phys. Rev. Research 8, 023171 (2026).
  5. R. Masaoka, S. Ono, H. C. Po, H. Watanabe*, Frustration-free fermionic systems: Finite-size scaling and band topology, Phys. Rev. B 113, 195120 (2026).