Essays about: "Topological insulator"
Showing result 1 - 5 of 6 essays containing the words Topological insulator.
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1. Quantum Transport in Topological Insulator Nanowires
University essay from KTH/FysikAbstract : Three-dimensional topological insulators are materials that have a bulk band gap like a traditional insulator, but which hold topologically protected conducting surface states. In this thesis we present a numerical analysis of the surface states of topological insulator nanowires in the tight-binding approximation. READ MORE
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2. Topological Band Theory, An Overview
University essay from Göteborgs universitet / Institutionen för fysikAbstract : 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
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3. Topological properties of flat bands in generalized Kagome lattice materials
University essay from KTH/FysikAbstract : Topological insulators are electronic materials that behave like an ordinary insulator in their bulk but have robust conducting states on their edge. Besides, in some materials the band structure presents completely flat bands, a special feature leading to strong interactions effects. READ MORE
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4. Band structures of topological crystalline insulators
University essay from Karlstads universitet/Institutionen för ingenjörsvetenskap och fysikAbstract : Topological insulators and topological crystalline insulators are materials that have a bulk band structure that is gapped, but that also have toplogically protected non-gapped surface states. This implies that the bulk is insulating, but that the material can conduct electricity on some of its surfaces. READ MORE
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5. Axion Electrodynamics and Measurable Effects in Topological Insulators
University essay from Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)Abstract : Topological insulators are materials with their electronic band structure in bulk resembling that of an ordinary insulator, but the surface states are metallic. These surface states are topologically protected, meaning that they are robust against impurities. READ MORE