@inproceedings{diana2016spectral,
title={Spectral analysis of a class of Schrdinger operators exhibiting a parameter-dependent spectral transition},
author={Diana Barseghyan, Pavel Exner, Andrii Khrabustovskyi, and Milo Tater},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020133614379016745},
booktitle={Journal of Physics A: Mathematical and Theoretical},
volume={49},
number={16},
pages={165302},
year={2016},
}

Diana Barseghyan, Pavel Exner, Andrii Khrabustovskyi, and Milo Tater. Spectral analysis of a class of Schrdinger operators exhibiting a parameter-dependent spectral transition. 2016. Vol. 49. In Journal of Physics A: Mathematical and Theoretical. pp.165302. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020133614379016745.