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Dr. Jürgen Henk

Institut für Physik, Martin-Luther-Universität Halle-Wittenberg, Halle (Saale)

Topological insulators - A challenge for theory

13.12.2012 11:00 Uhr
PGI Hörsaal

Topological insulators have become a very hot topic in condensed matter physics.
These new classes of materials host - while insulating in the bulk - linearly dispersing
and topologically protected electronic states with a unique spin texture at their surfaces.
Their rich properties, attributed to spin-orbit induced band inversions, are fascinating
with respect to both fundamental research and device applications.
In this seminar I shall give an overview of theoretical results, from fundamental
properties to direct links to experiment. I will address topological invariants,
first-principles calculations for the Dirac surface state of the Z2 topological insulator
Bi2Te3, and calculated photoemission intensities.


Prof.Dr. Claus Michael Schneider
Telefon: +49 2461 61-4428
Fax: +49 2461 61-2620