ELECTRON CORRELATION EFFECTS IN THE HALF-METALLIC NIMNSB WITHIN A CLUSTERPERTURBATION APPROACH WITH AB-INITIO PARAMETERS

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ALLMAIER H.; CHIONCEL L.; ARRIGONI E.; KATSNELSON M.I.; LICHTENSTEIN A.I.

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Journal: Iranian Journal of Physics Research Year:2008 | Volume:8 | Issue:2 Page(s): 67-71

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Title

ELECTRON CORRELATION EFFECTS IN THE HALF-METALLIC NIMNSB WITHIN A CLUSTERPERTURBATION APPROACH WITH AB-INITIO PARAMETERS

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Keywords

HALF METALQ3

CLUSTER PERTURBATIONQ3

ELECTRON CORRELATIONQ2

Abstract

Using a combination of electronic-structure and many-body calculations, we investigate correlations effects in the halfmetallic ferromagnet NiMnSb. A realistic many-body Hamiltonian, containing only Mn-d orbitals shows the importance of non-quasiparticle states just above the Fermi level. Our results suggest that for a better description of low energy states around Fermi level, Ni-d orbitals should be explicitly included.

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APA: Copy

ALLMAIER, H., CHIONCEL, L., ARRIGONI, E., KATSNELSON, M.I., & LICHTENSTEIN, A.I.. (2008). ELECTRON CORRELATION EFFECTS IN THE HALF-METALLIC NIMNSB WITHIN A CLUSTERPERTURBATION APPROACH WITH AB-INITIO PARAMETERS. IRANIAN JOURNAL OF PHYSICS RESEARCH, 8(2), 67-71. SID. https://sid.ir/paper/1909/en

Vancouver: Copy

ALLMAIER H., CHIONCEL L., ARRIGONI E., KATSNELSON M.I., LICHTENSTEIN A.I.. ELECTRON CORRELATION EFFECTS IN THE HALF-METALLIC NIMNSB WITHIN A CLUSTERPERTURBATION APPROACH WITH AB-INITIO PARAMETERS. IRANIAN JOURNAL OF PHYSICS RESEARCH[Internet]. 2008;8(2):67-71. Available from: https://sid.ir/paper/1909/en

IEEE: Copy

H. ALLMAIER, L. CHIONCEL, E. ARRIGONI, M.I. KATSNELSON, and A.I. LICHTENSTEIN, “ELECTRON CORRELATION EFFECTS IN THE HALF-METALLIC NIMNSB WITHIN A CLUSTERPERTURBATION APPROACH WITH AB-INITIO PARAMETERS,” IRANIAN JOURNAL OF PHYSICS RESEARCH, vol. 8, no. 2, pp. 67–71, 2008, [Online]. Available: https://sid.ir/paper/1909/en

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