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Selforganized 3-band structure of the doped fermionic Ising spin glass | | H. Feldmann
; R. Oppermann
; | | Date: |
7 Oct 1999 | | Subject: | Disordered Systems and Neural Networks; Strongly Correlated Electrons | cond-mat.dis-nn cond-mat.str-el | | Abstract: | The fermionic Ising spin glass is analyzed for arbitrary filling and for all temperatures. A selforganized 3-band structure of the model is obtained in the magnetically ordered phase. Deviation from half filling generates a central nonmagnetic band, which becomes sharply separated at T=0 by (pseudo)gaps from upper and lower magnetic bands. Replica symmetry breaking effects are derived for several observables and correlations. They determine the shape of the 3-band DoS, and, for given chemical potential, influence the fermion filling strongly in the low temperature regime. | | Source: | arXiv, cond-mat/9910119 | | Services: | Forum | Review | PDF | Favorites | |
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