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Hole spectral functions of LaMnO3 | | Wei-Guo Yin
; Hai-Qing Lin
; Chang-De Gong
; | | Date: |
25 Nov 2000 | | Journal: | Physica C 364-365, 120-122 (2001) | | Subject: | Strongly Correlated Electrons | cond-mat.str-el | | Affiliation: | 1,2), Hai-Qing Lin , and Chang-De Gong ( The Chinese University of Hong Kong, Nanjing University | | Abstract: | By use of the orbital t-J model, we calculate the photoemission spectra of LaMnO3 using the exact diagonalization technique, and interpret our numerics quite well in the orbital-polaron scenario where the scattering between holes and orbital excitations is treated within the self-consistent Born approximation. The quasiparticle bandwidth is found to be of the order of J and t in the purely Coulombic and Jahn-Teller phononic model, respectively. We suggest that angle-resolved photoemission spectroscopy experiments allow one to distinguish between the orbital-polaron scenario and the Jahn-Teller polaron scenario. | | Source: | arXiv, cond-mat/0011433 | | Services: | Forum | Review | PDF | Favorites | |
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