Essays about: "gapless"

Found 3 essays containing the word gapless.

1. 1. Wannier Functions in non-Hermitian Systems

   University essay from KTH/Fysik

   Author : Alberto Zorzato; [2022]
   Keywords : Theoretical Physics; Condensed Matter Physics; non-Hermitian Systems; Wannier Functions;

   Abstract : 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

3. 2. Topological Band Theory, An Overview

   University essay from Göteborgs universitet / Institutionen för fysik

   Author : Jens Roderus; [2021-06-14]
   Keywords : ;

   Abstract : Topological insulators, superconductors and semi-metals are states of ma er with unique features such as quantized macroscopic observables and robust, gapless edge states. ese states can not be explained by standard quantum mechanics, but require also the framework of topology to be properly characterized. READ MORE

4. 3. Gapless Relative Clauses in Japanese

   University essay from Lunds universitet/Japanska

   Author : Natsuki Kessira; [2010]
   Keywords : noun-modifying clauses; gapless; relative clauses; semantic; pragmatic; Languages and Literatures;

   Abstract : In Japanese, there is a unique type of relative clauses, a so-called ‘gapless relative clause’. The relation between the predicate in the relative clause and its head is not syntactic in the sense that the head noun does not have a co-indexed NP gap internal in the clause. READ MORE