Acta Physica Polonica B

Vol. 34, No. 22, February 2003, page 1023

Tight-Binding Model for Heavy Fermion Compounds: Construction of f--p Model

Takahiro Maehira, Takashi Hotta, Tetsuya Takimoto, Kazuo Ueda, Akira Hasegawa

We discuss electronic properties of CeIrIn5 based on the relativistic band-structure calculation. The obtained energy band-structure is reanalyzed by using a tight-binding f--p model, which is found to be a realistic and practical Hamiltonian for CeTIn5 (T = Ir, Rh, and Co).

PACS numbers: 71.27.+a, 71.18.+y, 71.15.--m

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