Topological Anderson Insulator in Three Dimensions

Autor:	Guo, H. -M., Rosenberg, G., Refael, G., Franz, M.
Rok vydání:	2010
Předmět:	Condensed Matter - Mesoscale and Nanoscale Physics Condensed Matter - Strongly Correlated Electrons
Zdroj:	Phys. Rev. Lett. 105, 216601 (2010)
Druh dokumentu:	Working Paper
DOI:	10.1103/PhysRevLett.105.216601
Popis:	Disorder, ubiquitously present in solids, is normally detrimental to the stability of ordered states of matter. In this letter we demonstrate that not only is the physics of a strong topological insulator robust to disorder but, remarkably, under certain conditions disorder can become fundamentally responsible for its existence. We show that disorder, when sufficiently strong, can transform an ordinary metal with strong spin-orbit coupling into a strong topological `Anderson' insulator, a new topological phase of quantum matter in three dimensions. Comment: 5 pages, 2 figures. For related work and info visit http://www.physics.ubc.ca/~franz/
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1006.2777 Zobrazit plný text záznamu View this record from Arxiv