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The nonadditive entropy for the ground state of helium-like ions using Hellmann potential |
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| Authors: | I Nasser Afaf Abdel-Hady |
| Institution: | Department of Basic Science, Faculty of Engineering, Egyptian Chinese University, Cairo, Egypt |
| Abstract: | |
| Keywords: | Ritz’s variation method scaling helium atom Hylleraas coordinates nonadditive entropy Tsallis entropy Shannon entropy |