Bound and resonance states of the dipolar anion of hydrogen cyanide: Competition between threshold effects and rotation in an open quantum system

@article{Fossez2014BoundAR,
  title={Bound and resonance states of the dipolar anion of hydrogen cyanide: Competition between threshold effects and rotation in an open quantum system},
  author={K. Fossez and Nicolas Michel and Witold Nazarewicz and M. Płoszajczak and Y. Jaganathen},
  journal={Physical Review A},
  year={2014},
  volume={91},
  pages={012503}
}
Bound and resonance states of the dipole-bound anion of hydrogen cyanide HCN- are studied using a non-adiabatic pseudopotential method and the Berggren expansion technique involving bound states, decaying resonant states, and non-resonant scattering continuum. We devise an algorithm to identify the resonant states in the complex energy plane. To characterize spatial distributions of electronic wave functions, we introduce the body-fixed density and use it to assign families of resonant… 
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