The Experimental Discovery of Topological Insulators: Spin-resolved Spectroscopic Studies of Topologically Ordered Materials - David Hsieh - Bøger - VDM Verlag - 9783639190175 - 1. september 2009
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The Experimental Discovery of Topological Insulators: Spin-resolved Spectroscopic Studies of Topologically Ordered Materials

David Hsieh

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The Experimental Discovery of Topological Insulators: Spin-resolved Spectroscopic Studies of Topologically Ordered Materials

The topological insulator is a new phase of matter that holds promise for a new generation of highly energy efficient electronics and highly computationally efficient information processing devices. However, it is experimentally challenging to identify topological insulators because unlike ordinary phases of matter, their properties are not described by the familiar language of local order parameters and spontaneously broken symmetries. Because conventional experimental techniques are designed to be sensitive to local order parameters, methods of measuring topological order are extremely scarce. In this work, we show that topological order in topological insulators can be revealed through measurements of the spin-polarized electronic band structure. By performing such measurements using a combination of state-of-the-art synchrotron based spin- and angle-resolved photoemission spectroscopy, we show for the first time that topological insulators are realized in nature in some remarkably simple semiconductors.

Medie Bøger     Paperback Bog   (Bog med blødt omslag og limet ryg)
Udgivet 1. september 2009
ISBN13 9783639190175
Forlag VDM Verlag
Antal sider 96
Mål 149 g
Sprog Engelsk  

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