2023

4. Spontaneous breaking of U(1) symmetry at zero temperature in one dimension

Haruki Watanabe, Hosho Katsura, Jong Yeon Lee

arXiv:2310.16881

3. General construction scheme for geometrically nontrivial flat band models

Hyeongseop Kim, Chang-geun Oh, Jun-Won Rhim

Commun. Phys. 6, 305 (2023); arXiv:2305.00448

2. Revisiting electromagnetic response of superconductors in mean-field approximation

Chang-geun Oh, Haruki Watanabe

Phys. Rev. Research 6, 013058 (2024); arXiv:2304.07432

1. Spontaneous symmetry breaking without ground state degeneracy in generalized N-state clock model

Yaozong Hu, Haruki Watanabe

Phys. Rev. B 107, 195139 (2023); arXiv:2302.01207