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Title: | Theoretical model for the high-pressure melting process of MgO with the B1 structure |
Authors: | Tran Dinh Cuong Anh D.Phan |
Issue Date: | 2021 |
Publisher: | Vacuum |
Abstract: | MgO is an abundant mineral in the rocky mantle of terrestrial planets, but its melting behaviors remain enigmatic. Here we introduce a simple theoretical model to investigate the B1-liquid transition of MgO up to 370 GPa. Vibrational free energies of B1-MgO are fully computed by the moment recurrence technique in quantum statistical physics. On that basis, we associate the melting temperature with the isothermal bulk modulus via the work-heat equivalence principle. This strategy allows us to quantitatively explain recent experimental data. Our numerical analyses would yield insights into planetary dynamics and evolution. |
URI: | https://www.sciencedirect.com/science/article/abs/pii/S0042207X2100186X?via%3Dihub https://dlib.phenikaa-uni.edu.vn/handle/PNK/2828 |
Appears in Collections | Bài báo khoa học |
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