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SINGLE AND MULTI – PHASE DYNAMICS OF THE (ANTI)FERROMAGNETIC CeCu2Si2 SYSTEMS.

Article scientifique 2023 Anglais

Résumé

We considered the single site impurity Anderson model with the aid of the application of Exact -diagonalization technique on an open boundary system of two interacting electrons on four sites with twenty eight basis electronic states.The results obtained shows that Increasing Ce content experimentally in CeCu 2 Si 2 is equivalent to increasing the hopping matrix element t in this study; and also increasing the values of the on-site hybridization element, V, the system which was originally AFM becomes FM.We also observed that the cost of performing these theoretical simulations is approximately the same as simulating 2 electrons on 4 sites (1-D) in the Anderson model and 4 electrons on 8 sites (1-D) in the one band Hubbard model.

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Enaroseha, O., Oyibo, O., Nwabuoku, A. (2023). SINGLE AND MULTI – PHASE DYNAMICS OF THE (ANTI)FERROMAGNETIC CeCu2Si2 SYSTEMS.. https://doi.org/10.31224/3108

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Auteur(s)

Omamoke O. E. Enaroseha Obed Oyibo Augustine Onyema Nwabuoku

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