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Temperature-dependent quasiparticle band structure of the ferromagnetic semiconductor EuS | | W. Mueller
; W. Nolting
; | | Date: |
24 Jun 2002 | | Journal: | Phys. Rev. B 66, 085205 (2002) | | Subject: | Strongly Correlated Electrons | cond-mat.str-el | | Abstract: | We present calculations for the temperature-dependent electronic structure of the ferromagnetic semiconductor EuS. A combination of a many-body evaluation of a multiband Kondo-lattice model and a first-principles T=0--bandstructure calculation (tight-binding linear muffin-tin orbital (TB-LMTO)) is used to get realistic information about temperature- and correlation effects in the EuS energy spectrum. The combined method strictly avoids double-counting of any relevant interaction. Results for EuS are presented in terms of spectral densities, quasiparticle band structures and quasiparticle densities of states, and that over the entire temperature range. | | Source: | arXiv, cond-mat/0206449 | | Services: | Forum | Review | PDF | Favorites | |
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