Abstract

We present a new approach to carry out the complex scaling calculations for resonance spectroscopy of nuclear quantum many-body systems. By combining the recently proposed Sakurai–Sugiura (SS) method with the complex scaling method (CSM), we can easily calculate the candidates of resonance energies and wave functions and can identify a resonance energy that does not move against the scaling angle. This new approach is especially useful to extend the feasibility of large-scale complex scaling calculations needed in analyzing many-body resonance states.

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