Research Paper: An Investigation of Entanglement in Helium and Helium-like Atoms
The entanglement of the helium and helium-like atoms have been studied. The calculations are performed considering the radial wave function as a linear combination of exponential functions and making use of Von Neumann entropy, Linear entropy and reduced density matrix. The coefficients and powers o...
| Published in: | فیزیک کاربردی ایران |
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| Main Authors: | , |
| Format: | Article |
| Language: | Persian |
| Published: |
Alzahra University
2021-03-01
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| Subjects: | |
| Online Access: | https://jap.alzahra.ac.ir/article_5411_bc7afa419fb6a89ee258e6d41f1e0c42.pdf |
| Summary: | The entanglement of the helium and helium-like atoms have been studied. The calculations are performed considering the radial wave function as a linear combination of exponential functions and making use of Von Neumann entropy, Linear entropy and reduced density matrix. The coefficients and powers of the wave function were calculated using variational method and the energy and entanglement are obtained considering the optimized wave function. The results show that the entanglement tends to increase with increasing energy. The results also show that with increasing atomic number (in helium-like atoms), the electron-electron interaction becomes weaker and as a result the entanglement decreases. |
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| ISSN: | 2783-1043 2783-1051 |