@misc{zhang2023soliton,
  title={Soliton States From Quadratic Electron-Phonon Interaction},
  author={Zhongjin Zhang and Anatoly Kuklov and Nikolay Prokof'ev and Boris Svistunov},
  year={2023},
  eprint={2309.10669},
  archivePrefix={arXiv},
  primaryClass={cond-mat.str-el},
  url={https://arxiv.org/abs/2309.10669}
}