@article{harccouplingharmfulnessandrefusaldirecti,
  title = {HARC: Coupling Harmfulness and Refusal Directions for Robust Safety Alignment},
  author = {Shei Pern Chua and Hao Wu and Fangzhao Wu},
  year = {2026},
  eprint = {2607.00572},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2607.00572},
}