Dzero, Maxim, Sun, Kai, Galitski, Victor and Coleman, Piers (2010) Topological Kondo Insulators. Physical Review Letters, 104 (10).
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Kondo insulators are a particularly simple type of heavy electron material, where a filled band of heavy quasiparticles gives rise to a narrow band insulator. Starting with the Anderson lattice Hamiltonian, we develop a topological classification of emergent band structures for Kondo insulators and show that these materials may host three-dimensional topological insulating phases. We propose a general and practical prescription of calculating the Z(2) topological indices for various lattice structures. Experimental implications of the topological Kondo insulating behavior are discussed.
This is a Approved version This version's date is: 12/3/2010 This item is not peer reviewed
https://repository.royalholloway.ac.uk/items/fe7381ee-a74a-dd0f-9764-a630d238f519/9/
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