Excursions in Ill-Condensed Quantum Matter by Adhip Agarwala

Author:Adhip Agarwala
Language: eng
Format: epub
ISBN: 9783030215118
Publisher: Springer International Publishing

3.7 Three Dimensional System

Given the vast interest enjoyed by the three dimensional topological insulator (a system with a invariant), we also investigate the possibility of realizing this in a random lattice. To this end, we consider a system with four orbitals () with a Hamiltonian described by [46] where M is the mass parameter, and

(3.18)

Fig. 3.11 system in three dimensions: The mid-gap state localized on the surface. The size and the color of the blob indicate the probability of finding a fermion at the site. ()

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