会议论文详细信息
29th International Conference on Photonic, Electronic, and Atomic Collisions
Quantification of entanglement entropies for doubly excited resonance states in two-electron atomic systems
Ho, Yew Kam^1 ; Lin, Chien-Hao^1
Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, Taiwan^1
关键词: Calculation of density;    Decomposition methods;    Doubly excited state;    Electron orbital;    Entanglement entropy;    Highly-correlated;    Stabilization methods;    Two-electron atomic systems;   
Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/635/9/092025/pdf
DOI  :  10.1088/1742-6596/635/9/092025
来源: IOP
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【 摘 要 】

In this work, we study the quantum entanglement for doubly excited resonance states in two-electron atomic systems such as the H-and Ps-ions and the He atom by using highly correlated Hylleraas type functions The resonance states are determined by calculation of density of resonance states with the stabilization method. The spatial (electron-electron orbital) entanglement entropies (linear and von Neumann) for the low-lying doubly excited states are quantified using the Schmidt-Slater decomposition method.

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