Essays about: "Wannier functions"
Found 2 essays containing the words Wannier functions.
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1. Wannier Functions in non-Hermitian Systems
University essay from KTH/FysikAbstract : The scope of this thesis is analyzing and characterizing certain gapless states in tight-binding non-Hermitian systems. We start by providing a pedagogical introduction to tight-binding theory, topological phases of matter, Wannier functions as real-space duals of Bloch functions and their properties, non-Hermitian systems and associated differences from standard Hermitian systems. READ MORE
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2. Wannier functions from Bloch orbitals in solids
University essay from MaterialteoriAbstract : Wannierfunctions are a superposition of the Blochorbitals in a Brillouin zone belonging to a manifold of energy bands. These Wannier functions have several uses regarding the analysis of the crystal on a local level. READ MORE